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标题: GWD6-Q11 怎么没有人讨论这一道题，为什么选D, 不选E [打印本页]

作者: kurtsniper 时间: 2012-1-3 19:55 标题: GWD6-Q11 怎么没有人讨论这一道题，为什么选D, 不选E

Further-

more, the daily movements of sloth

(20)
bears and American black bears—

which are similar in size to sloth bears

and have similar-sized home ranges—

reveal similar travel rates and distances,

suggesting that if black bear cubs are

(25)
able to keep up with their mother, so

too should sloth bear cubs.

Q 11. Which of the following, if true, would most weaken the author’s argument in lines 18-26 (“Furthermore … sloth bear cubs”)?

A Cub-carrying behavior has been observed in many non-myrmecophagous mammals.

B Many of the largest myrmecophagous mammals do not typically exhibit cub-carrying behavior.

C Some sloth bears have home ranges that are smaller in size than the average home ranges of black bears.

D The locomotion of black bears is significantly more efficient than the locomotion of sloth bears.

E The habitat of black bears consists of terrain that is significantly more varied than that of the habitat of sloth bears.

作者: sunincity 时间: 2012-1-4 06:34

I am also selecting E, but now think D is better.

Reason: pls notice "furthmore",which is following by "However". So these two examples are to oppose "one explanation is that.....since myrmecophagy entails a low metaboic rate and high energy expenditure....". Therefore, if locomotion of black bears is more efficient, the conclusion will be weakened.

作者: applemay 时间: 2012-1-4 21:03

解释得好...

作者: hjbb1027 时间: 2012-1-5 20:55

我觉得楼上讲错了

BB和SB的range之类的一样但地形更复杂所以会更消耗能量 SB不一定能做到而且假设SB能做到那么他的range应该在复杂的地形下比BB小

作者: whocatcher 时间: 2012-1-6 06:40

同意LSS的，LS的讲的MS不对吧，因为SB的地形简单，所以身处复杂地形的BB能做到的，SB也能做到

作者: Kminami 时间: 2012-1-6 21:02

the daily movements of sloth

(20)    bears and American black bears—

   (which are similar in size to sloth bears

   and have similar-sized home ranges—)

reveal similar travel rates and distances,

我晕，看题没看仔细⋯⋯
我看成是movements are similar⋯⋯我就奇怪为什么文章说了移动差不多，d还说more efficient呢？原来是自己看错了

作者: qiuhua012345 时间: 2012-1-8 06:36

【原文】懒熊和黑熊的活动范围相同，黑熊的幼崽能跟上妈妈，所以懒熊的幼崽也应该能跟上妈妈。
【选项D】黑熊的动作更敏捷。（黑熊敏捷跟得上，懒熊不敏捷就不一定了。weaken）。
【选项E】黑熊的地形更复杂。（黑熊在复杂的地形都跟得上，懒熊在简单的地形就更应该跟得上了。support）。

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