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例1. Because incumbent members of Congress are given a great deal of attention by the news media and because they enjoy such perquisites as free mail privileges and generous travel allowances, incumbents enjoy an overwhelming advantage over their challengers in elections for the United States Congress.
Which of the following, if true, best supports the claim above?
(A) In the last congressional elections, incumbents met with a larger number of lobbyists than did
challengers.
(B) In the last congressional elections, 98 percent of the incumbents in the House of Representatives
who were seeking reelection won.
(C) Incumbent members of Congress are frequently critical of the amount of attention given to them
by the news media.
(D) The support that political station action committees provide to challengers for congressional
seats often compensates for the perquisites enjoyed by incumbent members of Congress.
(E) Of all incumbent senators surveyed before the last congressional elections, 78 percent said that
their challengers did not pose a serious threat to their chances for reelection.
我选了B，但是答案是E。我觉得B是事实，而E是主观感受，为什么E对，而B错呢？求牛牛们为我解答一下吧。
Scientists now believe that artificial-hip implants, previously thought to be safe, may actually
increase the risk of cancer in recipients after about 45 years of use. Though these implants do
improve the quality of recipient’s lives, the increased risk of cancer is an unacceptable price to pay
for these improvements. Therefore, they should be banned.
Which of the following, if true, is the strongest counterargument to the argument above?
(A) Artificial-hip implant surgery can cause severe complications, such as infection, chronic fever, and bone degeneration, and these complications can themselves be crippling or even fatal.
(B) Almost all artificial-hip implant recipients receive their implants at an age when they are unlikely
to live more than an additional 30 years.
(C) Although artificial-hip implants increase the risk of cancer after about 45 year of use, a few of
the cancers they induce are not fatal.
(D) Since artificial-hip implants are not very common, banning them would cause little hardship.
(E) Although the benefits of artificial-hip implant surgery have remained substantially the same over
the past decade, the price of the surgery has risen considerably.
我选择了B，答案是C。我觉得B说明了哪些接受移植的人根本没有机会付出大家，对结论造成削弱。而C即使不是致命的代价，但是代价还是存在啊。不如B好。
. The excessive number of safety regulations that the federal government has placed on industry poses
more serious hardships for big businesses than for small ones. Since large companies do everything
on a more massive scale, they must alter more complex operations and spend much more money to
meet government requirements.
Which of the following, if true, would most weaken the argument above?
(A) Small companies are less likely than large companies to have the capital reserve for improvements.
(B) The operations of small companies frequently rely on the same technologies as the operations of large companies.
(C) Safety regulation codes are uniform, established without reference to size of company.
(D) Large companies typically have more of their profits invested in other business than do small companies.
(E) Large companies are in general more likely than small companies to diversity the markets and products.
这题我是找小公司对应大公司也有的缺点，然后就找到了A，但是答案是C。不明白。
例1. The population of peregrine falcons declined rapidly during the 1950’s and 1960’s and reached an
all-time low in the early 1970’s. The decline was attributed by scientists to the widespread use of the
pesticide DDT in rural areas.
Which of the following, if true, gives the strongest support to the scientists claim?
(A) DDT was not generally in use in areas devoted to heavy industry.
(B) In the time since the use of DDT was banned in 1972, the population of peregrine falcons has been steadily increasing.
(C) Peregrine falcons, like other birds of prey, abandon eggs that fallen out of the nest, even if the eggs remain intact.
(D) Starling, house sparrows, and blue jays-birds the peregrine falcon prey on—were not adversely affected by DDT in their habitats.
(E) Other birds of prey, such as the osprey, the bald cage, and the brown pclican, are found in the same area as is the peregrine falcon.
我选了B，答案是A。。。。。依然很迷惑。
1. The population of elephant seals, reduced by hunting to perhaps a few dozen animals early in this century, has soared under federal protection during the last few decades. However, because the species repopulated itself through extensive inbreeding, it now exhibits a genetic uniformity that is almost unparalleled in other species of mammals, and thus it is in far greater danger of becoming extinct than are most other species.
Given the information in the passage above, which of the following is most likely the reason that
other species of mammals are less likely than elephant seals to become extinct?
(A) Other species of mammals have large populations, so the loss of a few members of the species is not significant.
(B) Other species of mammals have increased their knowledge of dangers though the experience of generation after generation of animals.
(C) In other species of mammals, hunters can readily distinguish between males and females or between young animals and adults.
(D) In other species of mammals, some members of the species are genetically better equipped to withstand a disease or event that destroys other members of the species.
(E) Other species of mammals have retained habits of caution and alertness because they have not been protected as endangered species.
我选了E，答案是D。这题我不是很自信，是不是因为D有genetically。能不能请nn给我一个比较详尽的解这题的思路啊。谢谢！ |
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发表于 2010-7-29 00:53:06
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