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[Issue Essay]

试题详情

题目:

Analytical!

选项:

答案:

提问:

For some birds the sense of smell appears to paly a role in navigation, since pigeons with surgically removed olfactory nerves ( were found to have increased difficulties ) in homing. A. were found to have increased difficulties B. have been found to have increased difficulty C. were found to have increasing difficulty D. had been found to have increased difficulties E. have been found to have increasing difficulties 答案是B,我选的A。不明白为什么要用现在完成时,而且感觉困难应该是复数。麻烦老师讲解。

解答:

点赞0
阅读329311
解答: sysadmin

提问:

请问May老师,条件1是对的吗?谢谢!

解答:

点赞0
阅读381056
解答: 徐小梅老师

提问:

请May老师作答。我算出来是330/7,不知道对不对。

解答:

点赞0
阅读381427
解答: 徐小梅老师

提问:

请问May老师,这道题应该选什么?谢谢

解答:

点赞0
阅读380183
解答: 徐小梅老师

提问:

请问May 老师,应该选哪个?谢谢

解答:

点赞0
阅读379685
解答: 徐小梅老师

提问:

请问May 老师,条件1是对的吗?

解答:

点赞0
阅读379425
解答: 徐小梅老师

提问:

老师,请问这道题选什么?

解答:

点赞0
阅读380306
解答: 徐小梅老师

提问:

老师,请问这道题选什么?

解答:

点赞0
阅读379462
解答: 徐小梅老师

提问:

这道题怎样缩放老师

解答:

点赞0
阅读381553
解答: 徐小梅老师

提问:

老师,请问这道题E为什么不对?为什么要用there is?不理解。

解答:

点赞0
阅读380778
解答: 金栩竹老师

提问:

请问老师,选哪个?

解答:

点赞1
阅读379974
解答: 陆旭老师

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