11. “If the forest continues to disappear at its present pace, the koala will approach extinction,” said the biologist.
“So all that is needed to save the koala is to stop deforestation,” said the politician.
Which one of the following statements is consistent with the biologist’s claim but not with the politician’s
claim?
(A) Deforestation continues and the koala becomes extinct.
(B) Deforestation is stopped and the koala becomes extinct.
(C) Reforestation begins and the koala survives.
(D) Deforestation is slowed and the koala survives.
(E) Deforestation is slowed and the koala approaches extinction.
答案B,我选D,不知道为什么错,又什么对?
14. The “suicide wave” that followed the United States stock market crash of October 1929 is more legend than fact. Careful examination of the monthly figures on the causes of death in 1929 shows that the number of suicides in October and in November was comparatively low. In only three other months were the monthly figures lower. During the summer months, when the stock market was flourishing, the number of suicides was substantially higher.
Which one of the following, if true, would best challenge the conclusion of the passage?
(A) The suicide rate is influenced by many psychological, interpersonal, and societal factors during any given historical period.
(B) October and November have almost always had relatively high suicide rates, even during the 1920s and 1930s.
(C) The suicide rate in October and November of 1929 was considerably higher than the average for those months during several preceding and following years.
(D) During the years surrounding the stock market crash, suicide rates were typically lower at the beginning of any calendar year than toward the end of that year.
(E) Because of seasonal differences, the number of suicides in October and November of 1929 would not be expected to be the same as those for other months.
答案C,没有思路,求教.
麻烦了!!!
Q11
The biologist's claim: continued deforestation is sufficient to cause koala's extinction.
The politician's claim: continued deforestation is necessary for koala's extinction.
If B is true, deforestation is stopped and the koala becomes extinct, then obviously deforestation is not a necessary conditiion for koala's extinction. At the same time, deforestation could still be a sufficient conditioin for koala's extinction. So, B is consistent with the biologist’s claim but not with the politician’s, and therefore is the best answer.
C points out that monthly suicide rate has seasonal patterns -- high in certain months and low in others. The suicide rate in Oct. and Nov. of 1929 is abnormally high comparing with same period of other years. So, C weakens the original argument.
If the forest continues to disappear at its present pace, the koala will approach extinction,” said the biologist.
The biologist's claim: continued deforestation is sufficient to cause koala's extinction.这个我理解
“So all that is needed to save the koala is to stop deforestation,” said the politician. 这个我是这么推的:save the koala 推出stop deforestation,那么如果continued deforestation,那么考拉不就不SAVE,就消亡了吗?我的推理肯定有问题,但不知道错在哪里,希望NN帮我指出来.所以我一定是推不出答案的,帮忙帮忙,一定帮帮我!
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