Sunday, January 15, 2023

Critical Thinking and Problem Solving

 

Mid-Term Exam

Level: Bachelor                                                           Year: 2022

Program: BBA                                                Full Marks: 100

Semester: VII                                                 Pass Marks: 45

Critical Thinking and Problem Solving

 

Section ‘A’

Very short Answer Questions

Attempt all the questions.                               10x2=20

1.      What is critical thinking according to Richard Paul?

2.      Write any four benefits of critical thinking.

3.   Write the structure of ‘a chain of reasoning’.

4.      Differentiate between a statement and an argument.

5.      When you encounter information, what should be kept in mind?

a)      Is it current?

b)      Is it complete?

c)      Is it accurate?

d)      All of the above

6.      Which of these can be considered thinking critically?

a)      Thinking emotionally

b)      Thinking logically

c)      Think actively and be aware of potential problems in the information you encounter.

d)      None of the above

7.      What is the definition of critical thinking? 

a)      Higher-level thinking that aims to solve a problem.

b)      Finding faults and weaknesses in other people's arguments.

c)      Logically analyzing arguments in a critical way.

d)      Disciplined thinking and judgment.

8.      Which is not the characteristic of a critical thinker among the following? 

a.       They use logical skills in reasoning.

b.      During the football game he committed a serious foul, so he deserved to be sent off.

c.       Women’s brains are on average smaller than men’s, therefore women are less intelligent than men.

d.      The butler was in the pantry. In that case he couldn’t have shot the master, who was in his study. Hence the butler couldn’t have done it!

e.       The sovereignty of Parliament is open to abuse by any Government as power in Britain is too centralized.

f.        The Green Movement is mistaken in thinking we should recycle materials like paper and glass because paper

g.      They refuse to recognize the limitations of his mind and consistently pursue excellence.

h.      They think independently and do not always succumb to peer pressure.

i.        He upholds the standards of critical thinking.

9.      'For this entire semester, I've been playing and having fun every day. My studies are not doing well. However, I believe I can score an A for the exam next week'.  What is the mistake that the person has committed here with respect to critical thinking? 

a)      Wishful thinking

b)      Egocentrism

c)      Self-confident thinking

d)      Moral subjectivism

10.  Taking something for granted or making a logical leap to reach a conclusion without proof - resulting in a conclusion that may be true or false.

a.       Assumption

b.      Relevance

c.       Conclusion

d.      Decision making

 

Section ‘B’

Descriptive Answer Questions

Attempt any six questions.                                    6x10=60

11.   What is an assumption? Discuss with examples.

12.  Define ‘Critico-creative thinking’ with examples.

13.  Write an argumentative essay on ‘Should school require uniforms?’.

14.  Draw a ‘Thinking map’ of skillful analysis and evaluation of arguments. (pg 56)

15.  What do you mean by argument indicators? Illustrate with examples.

16.  Briefly explain possible sources of clarification.

17.  Who is the audience? What background knowledge and beliefs can they be assumed to have?

Section ‘C’

Case Analysis                                                         2x10=20

18.  In the following examples identify which words and phrases are ‘argument indicators’. Also say which sentences they indicate are reasons for which conclusions: 2.5

19.  Decide which of the following quoted remarks is an argument and which is an explanation. (3.6)

a.       A councilor speaks at a council meeting and says, ‘Because our street lights are too dim, we have more accidents and more crime than we should. Furthermore, they are so low that they are easily and often damaged by vandals. That is why we should get new, bright high-level lights.’

b.      The police have found the body of a woman lying near a footpath; after a post-mortem the pathologist reports, ‘She died because she had a heart attack and no one found her soon enough to help.’

c.       A newspaper reports, ‘Thailand and India have had to fight costly legal battles to protect Thailand’s jasmine rice and India’s basmati rice because a company in Texas, called Rice Tec, was granted patents in the United States on verities of rice it claimed to have developed, which closely resembled the Thai and Indian versions.’

d.      A government spokesperson says, ‘Though investigations are continuing, the trawler which sank suddenly in relatively calm seas last week probably went down because a submarine fouled its nets and dragged it down.’

e.       A financial journalist writes, ‘The Bank will almost certainly reduce interest rates at the next opportunity because the economy is slowing down fast, many companies are in great difficulties and demand has fallen off dramatically.’

The End

Critical Thinking and Problem Solving

Critical Thinking and Problem Solving 

CRITICAL READING PRACTICE I The following questions are each based on a short passage. Read the passage and then select the one best answer to the questions below the passage. Use the information provided by or suggested in the passage. Use the information provided by or suggested in the passage. Questions 1 and 2 refer to the following: 

"You should spend your honeymoon in Cancun. We went there for ours and the weather was beautiful—I had a gorgeous tan!" 

1. The speaker assumes that the listener wants to 

a. come back from a honeymoon with a gorgeous tan. 

b. spend a honeymoon where the weather is beautiful. 

c. spend time in the sun. 

d. have a better tan. 

e. have an expensive honeymoon. 

2. Which of the following does the speaker fail to take into account? 

a. Honeymoons should be spent in Cancun. b. Cancun has beautiful weather. c. Cancun's weather is excellent for tanning. d. Honeymooning in Cancun leads to gorgeous tans. e. Couples may not be very interested in getting tanned while honeymooning in Cancun. Questions 3 and 4 refer to the following: "Knitting is a waste of time. I took a knitting course at the community center and the instructor was a narrowminded, picky old maid." 3. What assumption is made by the speaker? a. A craft can be judged based on the personality of the instructor. b. The teacher could have tried harder to be flexible. c. All craft courses are a waste of time. d. Quilting is an interesting craft which the instructor taught badly. e. Knitting is an interesting craft which the instructor taught badly. 4. The speaker's reasoning is an example of a. repetitive use of words. b. arguing by making threats. c. reasoning from explicitly stated assumptions. d. attacking the personal character of an opponent. e. over-generalizing from one specific case. Question 5 refers to the following: The new wife said, "If you don't plan this party my way, I won't plan a party with you again." 5. The new wife a. lives near her mother's house. b. is afraid of her husband. c. avoids a quarrel by leaving. d. wants to plan a very expensive party. e. is usually not hard to get along with. Question 6 refers to the following: The governor said, "You must support my bill to provide educational reform in the public schools. Voting against such a bill can only mean that you don't care about the quality of the education received by your children." 6. The governor a. has been elected two terms. b. is not dealing with the possible cost of the proposal. c. has very few schools in his state that provide low-quality education. d. does not often make statements that he cannot support. e. has many state officials backing his proposal. Question 7 refers to the following: Father: "No, we can't go to the ski lodge this winter." Son: "Why?" Father: "Well, I have several things to buy with that money." Son: "How many is several—three, four, seven?" 7. In this dialogue the son is trying a. to get his father to go to the ski lodge. b. to ensure going to the ski next winter. c. to save his father's money. d. to be as mean as possible. e. to make his father be more specific. Question 8 refers to the following: A television commercial says, "Buy a Krups—the superior coffee maker." 8. The writer of this commercial a. tells a possible customer much about the quality of the coffee maker. b. knows exactly how the listener will interpret "superior". c. wants the listener to be impressed with the word "superior". d. has chosen to emphasize specific details rather than vagueness. Questions 9,10, and 11 refer to the following: "Supporters of the Kinley Bill are college students, farmers, and small businessmen. Vote for the bright future— yes on Kinley." 9. The argument involves which one of the following fallacies? a. The argument is based on circular reasoning. b. The argument is loaded with emotional words. c. The argument treats the subject humorously. d. The argument is disguised by ambiguous words. e. The argument is logically correct. 10. Which of the following words would most likely be the purpose of the Kinley Bill? a. lowering interest rates on loans. b. lowering property taxes on real estate. c. legalizing drug trafficking. d. abolishing the state income tax. e. providing government assistance to hard-working Americans. 2 11. In this argument it is assumed that a. teachers and grocers are opposed to the Kinley Bill. b. these groups are important to the well-being of the nation. c. the Kinley Bill is certain to be voted down. d. the people support the Kinley Bill. e. the people don't know what is in their own interests. Questions 12 through 15 refer to the following: In our small town, Papa's soda shop was the most popular place for high school students to meet. Unlike his brother, our military-minded, sullen principal, Papa was always relaxed, kind, interested, always ready to add extra whipped cream and cherries to our sodas. He was tolerant of the noisy, boisterous students who came to his shop after school. Everyone I knew in town, except our principal, loved Papa. 12. The passage implies reasons for a. Papa's generosity. b. ordering whipped cream and cherries on sodas. c. the existence of a meeting place for students. d. the high volume of noise. e. the popularity of the soda shop. 13. In the passage, the writer a. contrasts the personality of the two men. b. suggests that Papa was hypocritical. c. explains why two brothers were different. d. implies why people like sodas. e. compares Papa's place to others in the town. 14. The writer's observations are apparently not based on a. first hand experience. b. reports from neighborhood friends. c. gossip. d. scholarly research. e. opinions of the writer's principal. 15. If the writer's principal and Papa simultaneously spotted a hundred dollar bill lying on the sidewalk, what would be the most logical result? a. They would fight each other for it. b. Papa would let the principal keep it. c. Neither one would want it. d. The principal would take and give twenty of the one hundred to Papa. e. Papa would quickly claim and laugh at the principal's misfortune. Questions 16, 17, and 18 refer to the following: "Many people insist that cocaine should be legalized because it doesn't do them any harm. But, in fact, cocaine is harmful, because users end up in jail." 16. The speaker believes that legalizing cocaine use should depend on whether a. cocaine will increase tax revenues. b. cocaine is harmful. c. using cocaine is moral or immoral. d. the cocaine is produced domestically or abroad. e. cocaine is produced for personal consumption or commercial sales. 3 17. What kind of harm is attributed to cocaine, according to the speaker? a. spending time in jail b. liver cancer c. mental degeneration d. failure to control one's anger e. blindness 18. What conclusion can be drawn about the harmful effects of cocaine if we accept the speaker's position? a. If people use cocaine, they will associate with criminals. b. Cocaine is harmful to one's health. c. Cocaine is not harmful to those who can afford to spend time in jail. d. Spending time in jail helps people to understand the harmful effects of its use. e. If people disrespect the law, they will use cocaine. In questions 19 through 26, your task is to compare various statements in the light of the questions posed. Pay attention to the tone, emphasis, and implications of each of the statements as you select the one response that is best in each case. 19. In which of the following does the speaker express a feeling of nostalgia? a. It makes me happy that I have lived a long, prosperous life: I need not worry about having anything to prove. b. Who needs to worry about what might have been? c. I often think of my childhood friends; we were very happy. d. I'll never be able to predict the bad times, because I never have. e. When I lived in Houston, I spent a lot of time shopping. 20. Which of the following statements gives direct evidence about the speaker's feelings concerning marriage to Paul? a. Paul is certainly a handsome man. b. I don't think Paul is as interested in starting a family as I am. c. If Paul were the last man on earth, I might think of marrying him. d. Paul is more mechanically inclined than I am. e. All of my friends adore Paul. 21. Which of the following expresses a defeatist attitude? a. I could have owned that store; old Mr. Grundy always treated me as a son. b. All I thought about was playing football, when I was fourteen. c. I have two cats and a new car that I can't afford to make payments on. d. I only know how to clean house. e. Nobody will ever be my friend because I am so stupid. 22. Which of the following sentences states Mr. Bishop's strangest characteristics as chairman of the board? a. Mr. Bishop's leadership has created no great problems for the club. b. The club's funds have increased 12 percent during the past year. c. The club has increased membership 60 percent during the past two years. d. The club's meetings are run efficiently and effectively. e. Mr. Bishop knows how to win the trust of his fellow members. 23. Which of the following most clearly suggests a speaker's opinion about a new movie? a. The credits at the end of the movie provide very little information about the direction of the set. b. The producer used at least two twists that really amazed me. c. The theater was dirty. d. The sound was distorted. e. The movie was thirty minutes too long and became tedious. 4 24. Which of the following makes the most positive statement about Bobby's ability as a football player? a. Bobby knows how to take the most complicated calls and execute them perfectly. b. Bobby has memorized the names of many famous quarterbacks. c. Bobby gets along with all of his teammates. d. Bobby can run the entire length of the field without tiring. e. Bobby has read the game book several times. 25. Which of the following advertisements tells a consumer the most about the safety of a product? a. "This car has never been recalled by the manufacturer." b. "This aspirin bottle comes with a child proof top." c. "Product L has many safety buttons." d. "Acme burglar alarms haven't failed yet." e. "That's one of Ford's brightest ideas." 26. Which has the least significant negative connotations? a. Lisa is proud of her new sports car. b. She is so conceited about her beauty. c. Mildred has a great deal of self-confidence. d. Billy is a brat. e. What a snobby girl! ANSWER KEY CRITICAL READING PRACTICE I 1. B 11. B 21. E 2. E 12. E 22. E 3. A 13. A 23. B 4. E 14. D 24. A 5.. C 15. B 25. B 6. B 16. B 26. C 7. E 17. A 8. C 18. C 9. B 19. C 10. A 20. C Created by Sandra Karnei and Marilyn Dechert Revised: Spring 2002 STUDENT LEARNING ASSISTANCE CENTER (SLAC) Texas State University-San Marcos 5

Critical Thinking and Problem Solving

 

Mid-Term Exam (Retest)

Level: Bachelor                                                           Year: 2022

Program: BBA                                                Full Marks: 100

Semester: VII                                                 Pass Marks: 45

Critical Thinking and Problem Solving

 

Section ‘A’

Very short Answer Questions

Attempt all the questions.                               20

1.   Write the structure of ‘a chain of reasoning’. 2

2.      Differentiate between a statement and an argument. 2

3.      What is critical thinking according to Edward Glaser? 2

4.      Write any four benefits of critical thinking. 2

5.      Read the following passage and answer the given questions:

We should bring most of our troops home from Europe. The threat from Russia has gone now that the Evil Empire has collapsed; the Europeans can defend themselves now that the threat to their security is less and they are so rich; and we must reduce our federal deficit fast if our economy is not to collapse.

a.       What is the conclusion of this argument? What is the author trying to persuade us of? 2+2

b.      What reasons are given in support of the conclusion? 2

6.      Decide which of the following quoted remarks is an argument and which is an explanation. (2+2+2)

a.       A councilor speaks at a council meeting and says, ‘Because our street lights are too dim, we have more accidents and more crime than we should. Furthermore, they are so low that they are easily and often damaged by vandals. That is why we should get new, bright high-level lights.’

b.      The police have found the body of a woman lying near a footpath; after a post-mortem the pathologist reports, ‘She died because she had a heart attack and no one found her soon enough to help.’

c.       A newspaper reports, ‘Thailand and India have had to fight costly legal battles to protect Thailand’s jasmine rice and India’s basmati rice because a company in Texas, called Rice Tec, was granted patents in the United States on verities of rice it claimed to have developed, which closely resembled the Thai and Indian versions.’

 

Section ‘B’

Descriptive Answer Questions

Attempt any six questions.                                    6x10=60

7.       Suppose someone explains that by a ‘good teacher’ mean ‘a teacher who scores well above average on student evaluation forms’. How would you evaluate this definition/explanation?

8.      Define ‘Critico-creative thinking’ with examples.

9.      Write an argumentative essay on ‘Should school require uniforms?’.

10.  Draw a ‘Thinking map’ of skillful analysis and evaluation of arguments.

11.  What do you mean by argument indicators? Illustrate with examples.

12.  Briefly explain possible sources of clarification.

13.  Who is the audience? What background knowledge and beliefs can they be assumed to have?

Section ‘C’

Case Analysis                                                         20

14.  In the following examples identify which words and phrases are ‘argument indicators’. Also say which sentences they indicate are reasons for which conclusions:

a.       During the football game he committed a serious foul, so he deserved to be sent off.

b.      Women’s brains are on average smaller than men’s, therefore women are less intelligent than men.

c.       The butler was in the pantry. In that case he couldn’t have shot the master, who was in his study. Hence, the butler couldn’t have done it!

d.      The sovereignty of Parliament is open to abuse by any Government as power in Britain is too centralized.

e.       The Green Movement is mistaken in thinking we should recycle materials like paper and glass because paper comes from trees, an easily renewable resource, and glass is made from sand, which is plentiful and cheap. Furthermore, in some American cities recycling schemes have been abandoned because they are too expensive.

The End

Critical Thinking and Problem Solving

Critical Thinking and Problem Solving
BBA VII
Pokhara University
Elective I
Critical Reading Practice Test 
Directions: Questions follow each of the passages below. Using only the stated or implied information in each passage and in its introduction, if any, answer the questions. 
[On the basis of the given passage, choose the best alternative and justify your answer.]

Passage 1 
Gauguin decided to settle in Mataiea, some forty-five kilometres from Papeete, probably on the advice of a Tahitian chief whom he had befriended. There he rented a (5)native-style oval bamboo hut, roofed with pandanu leaves. Once settled, he was in a position to begin work in earnest and to tackle serious figure studies. It was probably soon after this that he painted Vahine (10)no te tiare, his first portrait of a Tahitian model.By the late summer of 1892 the completed canvas was back in Paris, hanging in the Goupil gallery. From the many subsequent (15) references to this image in his correspondence, it is clear that Gauguin set considerable store by his “Tahitienne” and, by sending her on ahead to Paris, wanted her to serve as an ambassadress for the further (20) images of Tahitian women he would be bringing back with him on his return. He pressed his male friends for their reactions to the girl, rather than to the picture, anxious to know whether they, like him, would (25) be responsive to the beauty of her face: “And her forehead,” he later wrote, “with the majesty of upsweeping lines, reminded me of that saying of Poe’s, ‘There is no perfect beauty without a certain singularity (30) in the proportions.’” No one, it seems, was quite attuned to his emotional perception: while Aurier was enthusiastic, excited by the picture’s rarity value, Schuffenecker was somewhat taken aback by the painting’s (35) lack of Symbolist character. Indeed, apart from the imaginary floral background which harked back to Gauguin’s 1888 Self-Portrait, the image is a relatively straightforward one. Recent anthropological (40) work, backed by the use of photography, had scientifically characterized the physical distinctions between the different races, distinctions that in the past had been imperfectly understood. Generally speaking, (45) artists before Gauguin’s time had represented Tahitians as idealized types, adjusting their features and proportions to accord with European taste. This meant that hitherto the Tahitian in Western art (50) could scarcely be distinguished from his African or Asian counterpart. Unfortunately, Charles Giraud’s paintings have disappeared, so we cannot compare them with Gauguin’s, but this first image (55) by Gauguin suggests a desire to portray the Tahitian physiognomy naturalistically, without the blinkers of preconceived rules of beauty laid down by a classical culture. Naturalism as an artistic creed, though, (60) was anathema to Gauguin; it made the artist a lackey of science and knowledge rather than a god-like creator. He wanted to go beyond empirical observation of this kind, to find a way of painting Tahiti that (65) would accord with his Symbolist aspirations, that would embody the feelings he had about the place and the poetic image he carried with him of the island’s mysterious past. 

[On the basis of the given passage, choose the best alternative and justify your answer.]

Q1. In lines 15–16, the word “correspondence” means 
• A. correlation. 
• B. agreement. 
• C. conformity. 
• D. similarity. 
• E. letters. 
 Answer ____Answer: E 
Although “correspondence” can mean correlation, agreement, or similarity, here it means communication by letters. Gauguin’s “correspondence” refers to the letters he wrote to France from the South Pacific. 

 Q2. Gauguin found the faces of Tahitian women beautiful because of their 
• A. elegant coloration. 
• B. unusual proportions. 
• C. refusal to wear makeup. 
• D. dark hair covering the forehead. 
• E. openness and innocence. 
 Answer ____ Answer: B 
Gauguin’s letter refers to the quotation from Poe that finds “singularity” (oddness, uniqueness, strangeness) in perfect beauty, and he is reminded of these lines by the beauty of his first Tahitian model. 

Q3. The passage suggests that a painter depicting a Tahitian in a period sometime before Gauguin would probably 
• A. rely on photographs for models. 
• B. make an image that was not in accord with European ideals of female beauty. 
• C. paint a picture that employed a symbolic landscape as background. 
• D. fail to differentiate a Tahitian from the inhabitants of Asian countries. 
• E. paint only models who were fully clothed in Western-style costume. 
 Answer ____Answer: D 
The passage points out that most of the artists before Gauguin had not painted Tahitians realistically, but as “idealized types,” altered to fit European tastes, just the opposite of choice B. The passage goes on to point out that the Tahitian could “scarcely be distinguished from his African or Asian counterpart.” 

Q4. It can be inferred that the author would like to see the lost paintings of Charles Giraud in order to 
• A. determine whether they presented the Tahitians realistically. 
• B. determine whether they were better paintings than Gauguin’s. 
• C. determine whether they deserve their high reputation. 
• D. compare the symbolism of these paintings with that of Gauguin’s. 
E. discover what subjects Giraud chose to paint. 
 Answer ____ Answer: A 
The reader can infer that Charles Giraud painted Tahitians before Gauguin did, but because the paintings have not survived, the author cannot know whether Giraud followed other artists and painted to suit European ideas of beauty or if, like Gauguin, he painted the Tahitians as they really were. It is for this reason the author would like to see Giraud’s work. 

Q5. Of the following phrases, which does the author use to refer to the aspect of Gauguin’s art that attempts to depict the real world accurately? I. “the image is a relatively straightforward one” (lines 38–39) II. “desire to portray the Tahitian physiognomy naturalistically” (lines 55–56) III. “a way of painting Tahiti that would accord with his Symbolist aspirations” (lines 64–66) 
• A. II only 
• B. III only 
• C. I and II only 
• D. I and III only 
• E. I, II, and III 
 Answer ____Answer: C 
The passage opposes the terms “Naturalism” and “Symbolism.” The naturalistic or realistic in Gauguin is alluded to in lines 38–39 (“straightforward”) and lines 55–56 (“naturalistically”), and lines 64–66 refer to the nonrealistic “Symbolist aspirations.” 

Q6. The passage suggests that an important problem Gauguin would have to deal with in his paintings of Tahiti was how to 
• A. reconcile his naturalistic and symbolistic impulses. 
• B. make Europeans understand the beauty of Tahiti. 
• C. find the necessary supplies in a remote location. 
• D. earn enough money to support himself by selling his paintings in Paris. 
• E. make artistic use of the new advances in photography. 
 Answer ____ Answer: A 
The two impulses in Gauguin that appear to be at odds are his wish to render the Tahitians as they really are and at the same time to reveal a “poetic image” of the “island’s mysterious past.” 

 Passage 2 
Questions 7 through 15 are based on the following passage: 
[On the basis of the given passage, choose the best alternative and justify your answer.]

Jim Hansen, a climatologist at NASA’s Goddard Space Institute, is convinced that the earth’s temperature is rising and places the blame on the buildup of greenhouse (5) gases in the atmosphere. Unconvinced, John Sununu, former White House chief of staff, doubts that the warming will be great enough to produce a serious threat and fears that measures to reduce the emissions (10) would throw a wrench into the gears that drive the United States’ troubled economy. The stakes in this debate are extremely high, for it pits society’s short-term well-being against the future of all the (15) planet’s inhabitants. Our past transgressions have altered major portions of the earth’s surface, but the effects have been limited. Now we can foresee the possibility that to satisfy the energy needs of an expanding (20) human population, we will rapidly change the climate of the entire planet, with consequences for even the most remote and unspoiled regions of the globe.The notion that certain gases could warm (25) the planet is not new. In 1896 Svante Arrhenius, a Swedish chemist, resolved the long-standing question of how the earth’s atmosphere could maintain the planet’s relatively warm temperature when the oxygen (30) and nitrogen that make up 99 percent of the atmosphere do not absorb any of the heat escaping as infrared radiation from the earth’s surface into space. He discovered that even the small amounts of carbon (35) dioxide in the atmosphere could absorb large amounts of heat. Furthermore, he reasoned that the burning of coal, oil, and natural gas could eventually release enough carbon dioxide to warm the earth. Hansen (40) and most other climatologists agree that enough greenhouse gases have accumulated in the atmosphere to make Arrhenius’s prediction come true. Burning fossil fuels is not the only problem; a fifth (45) of our emissions of carbon dioxide now come from clearing and burning forests. Scientists are also tracking a host of other greenhouse gases that emanate from a variety of human activities; the warming effect (50) of methane, chlorofluorocarbons, and nitrous oxide combined equals that of carbon dioxide. Although the current warming from these gases may be difficult to detect against the (55) background noise of natural climate variation, most climatologists are certain that as the gases continue to accumulate, increases in the earth’s temperature will become evident even to skeptics. The battle lines for (60) this particular skirmish are surprisingly well balanced. Those with concerns about global warming point to the recent report from the United Nations Intergovernmental Plan on Climate Change, which suggests (65) that with “business as usual,” emissions of carbon dioxide by the year 2025 will be 25 percent greater than previously estimated. On the other side, the George C. Marshall Institute, a conservative think tank, (70) published a report warning that without greenhouse gases to warm things up, the world would become cool in the next century. Stephen Schneider, a leading computer modeler of future climate change, accused (75) Sununu of “brandishing the [Marshall] report as if he were holding a crucifix to repel a vampire.” If the reality of global warming were put on trial, each side would have trouble making (80) its case. Jim Hansen’s side could not prove beyond a reasonable doubt that carbon dioxide and the other greenhouse gases have warmed the planet. But neither could John Sununu’s side prove beyond a reasonable (85)doubt that the warming expected from greenhouse gases has not occurred. 

[On the basis of the given passage, choose the best alternative and justify your answer.]

Q7. The purpose of the first paragraph (lines 1–23) of the passage is to 
• A. argue for the reduction of greenhouse gases in the atmosphere. 
• B. defend on economic grounds the reduction of greenhouse gases. 
• C. present two opposing positions on the subject of the earth’s rising temperature. 
• D. lessen the concern of the public about the alleged buildup of greenhouse gases. 
• E. introduce the two most important spokesmen for and against ecological reforms. 
 Answer ____Answer: C 
The first paragraph is introductory and presents the opposing positions on global warming and greenhouse gases represented by the climatologist Jim Hansen and the politician John Sununu. 

Q8. In the first paragraph in line 13, the word “pits” means 
• A. removes the core of. 
• B. sets in competition. 
• C. depresses. 
• D. marks with small scars. 
• E. hardens. 
 Answer ____Answer: B 
Although “pit” (the verb) can mean to scar or remove the core of, the meaning here is sets in opposition or sets in competition. 

Q9. From the information in the second paragraph of the passage, you can infer that a planet 
• A. whose atmosphere was made up entirely of oxygen would be warmer than a planet equally distant from the sun with an atmosphere made up entirely of nitrogen. 
• B. whose atmosphere was made up entirely of nitrogen would be warmer than a planet equally distant from the sun with an atmosphere made up entirely of oxygen. 
• C. with a larger amount of carbon dioxide in its atmosphere, other factors being equal, will be warmer than a planet with less carbon dioxide. 
• D. with a small amount of carbon dioxide in its atmosphere cannot increase this amount. 
• E. with little infrared radiation escaping from its surface is likely to be extremely cold. 
 Answer ____ Answer: C 
Because neither oxygen nor nitrogen absorbs heat, neither A nor B is likely. The amount of carbon dioxide in the atmosphere can be increased by burning of fossil fuels D. In choice E, the opposite is more likely to be true because heat escapes as infrared radiation. Because carbon dioxide absorbs heat, a planet with more in its atmosphere would be warmer. 

Q10. The passage implies that a greenhouse gas is one that I. forms a large part of the earth’s atmosphere. II. absorbs heat escaping from the earth’s surface. III. can be formed by the clearing and burning of forests. 

• A. III only 
• B. I and II only 
• C. I and III only 
• D. II and III only •
E. I, II, and III 
 Answer ____Answer: D 
Because oxygen and nitrogen, which are not greenhouse gases, form 99% of the atmosphere according to the second paragraph, the passage does not imply that greenhouse gases make up a large part of the atmosphere. The second paragraph also tells us that carbon dioxide absorbs large amounts of heat and that the release of carbon dioxide can lead to warming. 

Q11. From the passage, it can be inferred that all the following are greenhouse gases EXCEPT 
• A. nitrogen. 
• B. carbon dioxide. 
• C. methane. 
• D. chlorofluorocarbons. 
• E. nitrous oxide. 
 Answer ____Answer: A 
If greenhouse gases absorb heat and nitrogen does not absorb heat (paragraph 2), then nitrogen is not a greenhouse gas. The other four are mentioned in the second and third paragraphs of the passage. 

Q12. Which of the following, if true, would call into question the argument of the Marshall report? I. Since the earth’s climate did not grow colder in the five hundred years since 1400 when the amount of greenhouse gases released by humans was small, there is no reason to expect a decrease in temperature when the amounts of gas released are now much larger. II. The radical reduction of the emission of greenhouse gases will result in massive unemployment throughout the industrial world. III. Some scientific studies have shown that the temperature of the earth is unaffected by the presence of oxygen in the atmosphere. 

• A. I only 
• B. II only 
• C. I and II only 
• D. I and III only 
• E. I, II, and III 
Answer ____Answer: A 
The first statement makes a point that logically questions the Marshall report theory that “without greenhouse gases to warm things up, the world would become cool in the next century.” If so, why was it not cool before there were greenhouse gases? The passage does not give us any information about economic predictions in the Marshall report, and in any case, because the report advocates the encouragement of greenhouse gases, this idea would not undermine its conclusions. Similarly, the third statement would not affect the arguments of the report because oxygen is not a greenhouse gas. 

Q13. The word “skeptics” in line 59 most nearly means 
• A. scientists. 
• B. ecologists. 
• C. opponents. 
• D. doubters. 
• E. politicians. 
 Answer ____Answer: D 
The word “skeptic” now usually means a person who habitually questions or doubts even matters generally accepted. 

Q14. Stephen Schneider probably referred to Sununu’s “brandishing the [Marshall] report as if he were holding a crucifix to repel a vampire” in order to I. amuse his audience. II. suggest that Sununu’s claims are melodramatic. III. imply that the idea that greenhouse gases are dangerous is as imaginary as a vampire. 
• A. III only 
• B. I and II only 
• C. I and III only 
• D. II and III only 
• E. I, II, and III 
 Answer ____Answer: B 
The image of Mr. Sununu as a character in a Dracula film was probably intended to amuse the audience and to make the opponent seem a bit ridiculous. It would also suggest that the claims are melodramatic. A believer in the danger of too much greenhouse gas in the atmosphere would not be likely to suggest that the danger is imaginary, so the third statement is very unlikely 

Q15. The effect of the final paragraph of the passage is to 
• A. stress the superiority of Jim Hansen’s case. 
• B. undermine Sununu’s argument. 
• C. support the conclusions of the Marshall report. 
• D. call Arrhenius’s theories into question. 
• E. leave the debate about global warming unresolved. 
 Answer ____Answer: E 
The final paragraph leaves the debate unresolved. Although a reader of the whole passage may feel a slight bias in favor of the climatologists, the final paragraph asserts that neither side can prove its case beyond a reasonable doubt.

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