还没有登录哦!

[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241712
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286642
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287019
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285772
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285276
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285014
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285900
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285060
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287154
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286371
解答: 金栩竹老师

提问:

请问老师,选哪个?

解答:

点赞1
阅读285567
解答: 陆旭老师

问个问题

点我领取
免费专项课程
在线咨询