！！！！逻辑jj几道不明白的题！希望一起讨论下

antozzz

一共三道 没什么思路。。

1.这个我觉得都不对啊不知道选哪个A research shows that people who have both a television and a car tend to have heart desease, experts believe that having both a car and a TV increases the possibility of heart desease because it prevent people from doing regular exercises that are good for health.Assumption/Strengthen (I forget)

B.people who have a car and a TV and who exercise regularly tend not to use them frequently.

C.people who have a car or a TV tend to have healthier diet that prevent the heart desease.

D.people who have neither a car or a TV and who don't exercise are also easily(or not easily) to have heart desease.

E.the possibility of heart desease for people who have car & TV are at lease the same as people who exercise regularly.

2.

对于乘汽车的儿童，在发生交通事故时不系安全带往往是要比系安全带冒更大风险的。在系了安全带的情况下，坐在后座的儿童比坐在前座的儿童更加安全。Moreover, 在不系安全带的情况下，坐在后座的儿童仍然要比坐在前做的儿童更加安全。综上，无论如何都让儿童坐后面好了。问削弱。

　当孩子们坐在后座时，他们会很经常的在无意间解开安全带。

　当儿童系了安全带坐在前座时，他们并不会比不系安全带而坐在后座承担更大危险。

3.Perkins: According to an article I read, the woolly mammoth‘s extinction in North America coincided with a migration of humans onto the continent 12,000 years ago, and stone spearheads from this period indicate that these people were hunters. But the author's contention that being hunted by humans contributed to the woolly mammoth‘s extinction is surely wrong since, as paleontologists know, no spearheads have ever been found among the many mammoth bones that have been unearthed.

Which of the following, if true, provides the strongest reason for discounting the evidence Perkins cites in arguing against the contention that being hunted by humans contributed to the North American extinction of woolly mammoths?

A. At sites where mammoth bones dating from 12,000 years ago have been unearthed, bones of other mammals have rarely been found.

B. The stone from which stone spearheads were made is unlikely to have disintegrated over the course of 12,000 years.

C. Conditions in North America 12,000 years ago were such that humans could not have survived there on a diet that did not include substantial amounts of meat.

D. Cave paintings in North America that date from 12,000 years ago depict woolly mammoths as well as a variety of other animals, including deer and buffalo.

E. Because of the great effort that would have been required to produce each stone spearhead, hunters would have been to leave them behind.

C???????