8. The Buysville Chamber of Commerce recently met to discuss a proposal to beautify the Baysville area's treeways by relocating power lines, adding landscaping and removing billboards. At the meeting Mary Simms who was a representing an outdoor advertising company declared "Billboards are the basis of our business. If they are torn down, our ability to earn a living will be severely damaged" , "I don't agree" said Jack Jordan, a local merchant, "The basis of our business is an attractive community, People who might shop in Baysville don't want to see ugly billboards on their way into town. Billboards are hurting our ability to earn a living."
Jack Jordan a remarks suggest that he is misinterpreting which one of the following words used by Mary Simms?
(A) billboards
(B) basis
(C) our
(D) ability
(E) damaged
Ans:C
12. A recent study found that snoring, though not common in either group, is more common among smokers than among nonsmokers. On the basis of this evidence, the author hypothesized that smoking by itself can induce snoring.
Which one of the following, if true casts the most doubt on the author's hypothesis?
(A) Stress induces both snoring and smoking in certain individuals.
(B) Obesity induces many individuals to smoke
(C) Most snorers do not smoke
(D) Most smokers do not snore.
(E) Both smoking and snoring cause throat problems.
Ans: A
A是他因削弱，我觉得A，C，D都是削弱，有什么差别吗？
18. Serval cosmetics firms are committed to the active development, validation, and adoption of new product-safety tests that use cultures of human cells. They argue that the new tests serve to reduce the need for tests on live animals.
The statements above most strongly support which one of the following conclusions?
(A) The pressure on cosmetics firms to cease conducting experiments that use live animals was initiated by groups of social activists.
(B) Consumers are no more likely to buy products whose safety was tested on cultures of human cells than they to buy products whose safety was tested on animals.
(C) Financial consultants for the cosmetics firms believe that using human cell cultures rather than live animals to test product safety will cost the firm less in actual product-development costs.
(D) Researchers in the cosmetics firms believe that fewer tests of products will be needed if cell cultures rather than live animals are used.
(E) Managers of the cosmetics firms believe that it is better for their firms not to perform tests on live animals if there is an acceptable alternative way of determining product safety.
Ans:E
我觉得五个选项都提出了原文没有的内容，不知该如何作答。
21. A society in which there are many crimes, such as thefts and murders, should not be called "lawless" That is an abuse of the meaning of words. As a suffix "less "means "without" so "lawless" means "without laws." However, a society that has no laws has no crimes, because no laws can be broken. A lawless society would, therefore, be a crimeless society. So what some have termed a lawless society should actually be called "crimeful".
If the statements in the passage are true, which one of the following must also be true?
(A) A society that has laws has crimes.
(B) A society that has no crimes has no laws.
(C) A society that has many laws has many crimes.
(D) A society that has some crimes has some laws.
(E) A society that has many crimes has many laws
ANS： D
又是some, all 的题，一直没有找到做题的方法。D是否是原文的逆否命题。E为什么不对呢？
谢谢了！
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