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标题: 大全补充250-69 [打印本页]

作者: panglin 时间: 2006-11-25 07:48
标题: 大全补充250-69

The human growth hormone, made by the pituitary gland, is secreted during sleep in higher concertrations than when awake.

D) in higher concertrations during sleep than during waking hours.

E) in higher concertrations when asleep than when awake.

答案为 D。请问大家，为什么不能选E.

谢谢。

作者: Koror 时间: 2006-11-25 18:12

When asleep or when awake 形式主语应该是人

作者: panglin 时间: 2006-11-27 11:06
还是不明白，可不可以解释得清楚一些？

作者: panglin 时间: 2006-11-28 14:22
再问这问题？还是不清楚啊，求助

作者: shanexwang 时间: 2006-11-28 15:08
The human growth hormone --> awake/asleep
illogical

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