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74. Governments have only one response to public criticism of socially necessary services: regulation of the activity of providing those services. But governments inevitably make the activity more expensive by regulating it, and that is particularly troublesome in these times of strained financial resources. However, since public criticism of childcare services has undermined all confidence in such services, and since such services are socially necessary, the government is certain to respond.

Which one of the following statements can be inferred from the passage?

A. The quality of child-care will improve.
B. The cost of providing child-care services will increase.
C. The government will use funding to foster advances in child-care.
D. If public criticism of policy is strongly voiced, the government is certain to respond.
E. If child-care services are not regulated, the cost of providing childcare will not increase.

A. 无关信息
B. 有效的建立了关系：government respond --- > regulation --- > make the activity
more expensive troublesome --- > troublesome in financial resources --- >cost increase. (B )
C. 无关信息：
D. 无关信息
E. 是否命题, 不能得到的结论

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73. There is no reason why the work of scientists has to be officially confirmed before being published. There is a system in place for the confirmation or disconfirmation of scientific findings, namely, the replication of results by other scientists. Poor scientific work on the part of any one scientists, which can include anything from careless reporting practices to fraud, is not harmful. It will be exposed and rendered harmless when other scientists conduct experiments and obtain disconfirmatory results.

Which one of the following, if true, would weaken the argument?

A. Scientific experiments can go unchallenged for many years before they are replicated.
B. Most scientists work in universities, where their work is submitted to peer review before publication.
C. Most scientists are under pressure to make their work accessible to the scrutiny of replication.
D. In scientific experiments, careless reporting is more common than fraud.
E. Most scientists work as part of a team rather than alone.

答案：A
思路：作者说no必要有一个新的出版confirmation系统，因为Poor scientific work is not harmful，other scientists conduct experiments来正明正确的结果。A指出Scientific experiments can go unchallenged for many years，指出Poor scientific work is harmful，是weaken。

A. 无关
B. 无关
C. 无关
D. 无关

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72. A gas tax of one cent per gallon would raise one billion dollars per year at current consumption rates. Since a tax of fifty cents per gallon would therefore raise fifty billion dollars per year, it seems a perfect way to deal with the federal budget deficit. This tax would have the additional advantage that the resulting drop in the demand for gasoline would be ecologically sound and would keep our county from being too dependent on foreign oil producers.

Which one of the following most clearly identifies an error in the author’s reasoning?

A. The author cites irrelevant data.
B. The author relies on incorrect current consumption figures.
C. The author makes incompatible assumptions.
D. The author mistakes an effect for a cause.
E. The author appeals to conscience rather than reason.

参考答案：C
思路：作者得出的结论有两个，1是提高汽油税率，可以同比提高税收所得，这一结论的前提条件是，汽油的消费量不受税率影响；2是提高税率可以降低对汽油的消费需求，这一结论的假设条件与前一结论的假设条件是互相矛盾的，因此显而易见，C正确。

Test 5

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71. More than a year ago, the city announced that police would crack down on illegally parked cars and that resources would be diverted from writing speeding tickets to ticketing illegally parked cars. But no crackdown has taken place. The police chief claims that resources have had to be diverted from writing speeding tickets to combating the city’s staggering drug problem. Yet the police are still writing as many speeding tickets as ever. Therefore, the excuse about resources being tied up in fighting drug-related crime simply is not true.

The conclusion in the passage depends on the assumption that

A. every member of the police force is qualified to work on combating the city’s drug problem
B. drug-related crime is not as serious a problem for the city as the police chief claims it is
C. writing speeding tickets should be as important a priority for the city as combating drug-related crime
D. the police could be cracking down on illegally parked cars and combating the drug problem without having to reduce writing speeding tickets
E. the police cannot continue writing as many speeding tickets as ever while diverting resources to combating drug-related crime

参考答案：E
思路：结论是由于对超速行驶开出的罚单并未减少，所以资源并未转移，其逆否命题则是，资源如果真的转移，罚单一定减少，也就是E指出的 — 罚单不可能与原来一样多。

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70. A low-pressure weather system is approaching Plainville; rainfall results from about 70 percent of such systems in the Plainville area. Moreover, the current season, spring, is the time of year in which thundershowers, which sometimes result from low-pressure systems, are most likely to occur in Plainville.

Knowing which one of the following, in addition to the information above, would be most useful for determine the probability that Plainville will have a thundershower soon?

A. the percentage of thundershowers in Plainville that occur in the spring
B. the percentage of spring rainfalls in Plainville that are thundershowers
C. the percentage of thundershowers in Plainville that result from low-pressure systems
D. whether low-pressure systems in other areas are associated with rainfall
E. whether Plainville has more or fewer thundershowers each spring than do near by towns

参考答案：C
思路：文中给出两个条件，1是低压天气将到达，而70%的低压天气导致降雨，2是现在正是1年中雷阵雨最多的季节且雷阵雨有时也是由于低压天气导致；答案（C）给出了低压天气导致雷阵雨的比率，用70%乘以这个比率，就可以得到下雷阵雨的概率了。
A、B没能和低压天气联系起来，D、E为无关选项

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69. History textbooks frequently need to be revised. The reasons for this are clear: new discoveries of documents and remains, the discovery of mistaken inferences in prior histories, the discovery of previously unnoticed relationships among data, and the application of hitherto undiscovered principles of natural science all may indicate inadequacies in current history texts. Any of these considerations may require that the past be reinterpreted in a manner that is new and more illuminating.

Which one of the following can be inferred from the argument in the passage?

A. The interpretation of historical events is affected by natural science.
B. The past is constantly renewed because of illuminating reinterpretations.
C. History books are outdated as soon as they are written.
D. Natural scientists also function as historians.
E. Historians’ mistaken inferences are caused by unnoticed relationships among data.

答案：A
思路：归纳题，正确选项从原文推出，范围比原文窄。可用无关词排除法。
A. 文中提到，未经发现的自然科学法则会造成历史课本的不充分，需要被重新解释。说明历史事件的解释是受自然科学影响的。正确。
B. 混淆选项。根据最后一个句子，可知原文的意思是过去以一种新的且更加明确的方式被重新解释，而不是因为明确的解释而被经常更新。
C. 根据头脑空白原则，不能由历史课本需要经常被修正就推出历史课本写的时候就过时了。
D. 文中未出现诸如自然科学家、历史学家，无关词排除。
E. 同D。

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67. It has always been difficult to understand the basis of politics in the People’s Republic of China. Because the system is effectively closed, it is impossible to know with any degree of confidence who is allied with whom and for what reasons. Yet Chinese politics does exhibit many of the external characteristics of factional political systems, as found in more open societies. It is legitimate to conclude, therefore, that China has a factional political system.

Which one of the following, if true, would confirm the author’s conclusion that China has a factional political system?

A. All open political systems are factional political systems.
B. All factional political systems are closed political systems.
C. All closed political systems are factional political systems.
D. China’s political system is more open than many existing factional political systems.
E. China’s political system is more closed than all existing factional political systems.

答案：C

思路：加强题。前提1，(A)中国政治系统——封闭；前提2，中国政治——派系政治系统；结论，(B)中国——派系政治系统。加强结论。

A. open political systems 文中未提及，与open societies无关，不要混淆。
B. B是A，AB之间架桥，但起到加强前提的作用，与问题要求相反。
C. A是B，AB之间架桥，起到加强结论的作用，
D. 架桥方向错误，open与否与结论无关。
E. 同D。

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66. A recent survey showed that many workers in a certain company are dissatisfied with their jobs. The survey also showed that most of the dissatisfied workers believe that they have little control over their job assignments. Therefore, to increase workers’ job satisfaction the company’s management need only concentrated on changing workers’ beliefs regarding the degree of control they have over their job assignment.

Which one of the following, if also shown by the survey, would most seriously call into question the conclusion made by the author of the passage?

A. The dissatisfied workers feel that their wages are too low and working conditions are unsatisfactory.
B. The number of workers in the company who are satisfied with their jobs is greater than the number of workers who are dissatisfied.
C. The workers in the company are more dissatisfied than workers in other companies.
D. Most people in company management believe that the workers already have too much control over their work.
E. The workers in the company who are satisfied with their jobs believe that they have a lot of control over their job assignments.

他因法进行削弱。A is correct.
(B) The number of workers in the company who are satisfied with their jobs is greater than the number of workers who are dissatisfied. 无关数字
(C) The workers in the company are more dissatisfied than workers in other companies. 无关对比
(D) Most people in company management believe that the workers already have too much control over their work. 无关比较
(E) The workers in the company who are satisfied with their jobs believe that they have a lot of control over their job assignments. 支持

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65. According to advertisements, the higher a suntan lotion’s sun protection factor, or SPE, the more protection from sunburn. In order for a suntan lotion to work, however, one has to remember to put it on before going in the sun, put on an adequate amount to cover the skin, and reapply it as needed. Therefore, it really does not matter what SPE a suntan lotion has.

Which one of the following best identifies the error in reasoning made in the passage?

A. It is unreasonable to assume that the only purpose of a suntan lotion is to provide protection from sunburn.
B. Because some people get sunburned more easily than other, the fact that there are different SPEs cannot be ignored.
C. It cannot be concluded that the SPEs is not important just because there are requirements for the application of the suntan lotion.
D. It is unreasonable to assume that all suntan lotions required the same application procedures in order to work effectively.
E. There is no reason to assume that manufacturers are unaware that people sometimes forget to apply suntan lotion before going in the sun.

This is exactly the same as No 62. 只有C明确提出不能因为一样东西有作用就说另外一个东西没作用：准确无误指出了原文论证的漏洞。
A， The passage has nothing to do with the “only purpose”.
B， Because the passage has already make clear that people can apply many times of the lotion for difference people, so the idea in choice B is not a lope hole in the reasoning.
C，By pointing out that it is not right to eliminate the effectiveness of SPEs because there are other requirements.
D，There is no assumption in the passage that all suntan lotions required the same application procedures.
E，Anything about manufactures does not bear on the reasoning in the passage.

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Questions 64-65
If the city council institutes new parking regulations, city revenues will surely increase, since studies have conclusively shown that, if such parking regulations are put into effect, there is an increase in parking violations, and an increase in parking violations will result in a greater number of parking fines collected.

64. If the statements in the passage are true, which one of the following must also be true?

A. Unless there is an increase in the number of parking violations in the city, city revenues will not increase.
B. If the city council institutes new parking regulations, the council will fall from favor with the citizens.
C. The city council will institute new parking regulations only if an increase in city revenues can be expected to result.
D. If the city council’s new regulations cause more parking violators to be ticketed, the city revenues will increase.
E. Unless the city institutes a complex system of parking regulations, the city cannot expect traffic violations to increase.

Choice C just repeats the conclusion: institution of new regulations -> increase of city revenues. it fails to fill the gap between institution of regulations and increase of revenues.
new regulations -> more violations-> more fines collected(increase of revenues)

D is correct.