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verbal-逻辑-逻辑练习-2 削弱-6 - 答案

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发表于 2017-7-6 22:25:15 | 显示全部楼层
BDBBE-EBBDC
1. During the month of May, crabs arrive on Delaware's beaches to lay eggs. Certain shorebirds depend on these eggs for food during their annual spring migration to their northern breeding grounds. Delaware's crab population has declined recently. This decline, however, poses no serious threat to the migrating shorebird populations: by remaining longer in Delaware, the birds will be able to eat enough crab eggs to allow them to complete their migration.

Which of the following, if true, most seriously weakens the argument?
No other food available to the birds on Delaware's beaches is as nutritious and accessible as are crab eggs.
The earlier in the season the shorebirds complete their migration, the more likely they are to breed successfully.
The decline in the number of crabs on Delaware's beaches is due to the harvesting of crabs by humans.
The crabs do not conceal their eggs.
There are more crabs on Delaware's beaches than in any other area that the migrating birds pass through.

2. In each of the past five years, Barraland's prison population has increased. Yet, according to official government statistics, for none of those years has there been either an increase in the number of criminal cases brought to trial, or an increase in the rate at which convictions have been obtained. Clearly, therefore, the percentage of people convicted of crimes who are being given prison sentences is on the increase.

Which of the following, if true, most seriously weakens the argument?
Barraland has been supervising convicts on parole more closely in recent years, with the result that parole violations have become significantly less frequent.
The number of people in Barraland who feel that crime is on the increase is significantly greater now than it was five years ago.
Over the last ten years, overcrowding in the prisons of Barraland has essentially been eliminated as a result of an ambitious program of prison construction.
Ten years ago, Barraland reformed its criminal justice system, imposing longer minimum sentences for those crimes for which a prison sentence had long been mandatory.
In Barraland the range of punishments that can be imposed instead of a prison sentence is wide.

3. Of patients over 65 years old who survived coronary bypass surgery-a procedure widely prescribed for people with heart disease-only 75 percent benefited from the surgery. Thus it appears that for one in four such patients, the doctors who advised them to undergo this surgery, with its attendant risks and expense, were more interested in an opportunity to practice their skills and in their fee than in helping the patient.
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发表于 2017-8-8 18:57:27 | 显示全部楼层
楼主快去捡肥皂吧,我要下载资料了。
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发表于 2017-8-9 09:31:52 | 显示全部楼层
我只是来那经验,用经验下资料的。
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发表于 2017-8-15 17:38:06 | 显示全部楼层
你有没有见过这么整齐的十五字啊,下载资料是王道。
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发表于 2017-8-22 17:57:43 | 显示全部楼层
还有这样的福利真是太好了啊,立马下载资料去
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发表于 2017-8-30 16:13:05 | 显示全部楼层
楼主,是你让我深深地理解了‘人外有人,天外有天’这句话。谢谢侬! 楼主收集资料辛苦了!!回帖下载就是最大的支持!!感谢楼主!!!
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发表于 2017-9-7 17:30:24 | 显示全部楼层
楼主,你的高尚情操太让人感动了。在现在这样一个物欲横流的金钱社会里,竟然还能见到楼主这样的性情中人,无疑是我这辈子最大的幸运。让我深深感受到了人性的伟大。楼主,资料下载保存了哈!
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发表于 2017-9-15 15:57:30 | 显示全部楼层
好贴啊!只有那种真理在握,洞视这个世界真实本质的人,才能显示出这样惊人的笔力。为了向楼主学习,也是为了表达我对楼主的敬意。我决定下载资料!
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