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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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阅读243127
解答: sysadmin

提问:

老师,我今天考试碰到的寂静题,一模一样!然后根本算不出来啊,两个式子结合是30x=5y.不知道寂静答案是怎么算出来x=15 y=90的?

解答:

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阅读269339
解答: ken@boost.org.cn老师

提问:

请May老师解答~ 老师,您回复我的这一题,关于圆心角 和 圆周角,我有几个问题想问: 1. ABC是一个优弧,优弧的圆心角是怎么看的呢?为什么是∠BOC,而不是∠AOC呢? 2. 此图中,(优弧)弧ABC 和 (劣弧) 弧AC是否有同一个圆心角 和 同一个圆周角呢? 如果不是,老师可否分别把此图中 优弧与劣弧的圆心角和圆周角画一下? 2. 优弧ABC所对应的圆周角 是∠E(我用红笔加上去的那一个)吗?

解答:

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阅读269338
解答: 徐小梅老师

提问:

请May老师解答,想问一下鸡精的答案是不是错了?我的解答过程有没有问题?

解答:

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阅读266404
解答: 徐小梅老师

提问:

请May老师解答,这题没有头绪

解答:

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解答: 徐小梅老师

提问:

请May老师解答

解答:

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解答: 徐小梅老师

提问:

请May老师解答

解答:

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解答: 徐小梅老师

提问:

请May老师解答

解答:

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解答: 徐小梅老师

提问:

请May老师解答

解答:

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解答: 徐小梅老师

提问:

请May老师解答

解答:

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解答: 徐小梅老师

提问:

请May老师解答

解答:

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解答: 徐小梅老师

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