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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:

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解答: sysadmin

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解答:

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解答: 徐小梅老师

提问:

老师,为什么d能加强呢?

解答:

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解答: haiwang@boost.org.cn老师

提问:

老师这道题为什么最小距离和所有可能的距离有什么差别?之前有类题做法A(8,8)/A(3,3)*A(2,2)

解答:

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解答: 徐小梅老师

提问:

老师,这道题我没什么思路

解答:

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解答: 徐小梅老师

提问:

这个我只能想到p^x和p^y个位数相乘为1,D是怎么做的?

解答:

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