题目内容

世界第一大峡谷是（）

A. 长江三峡
B. 科罗拉多大峡谷
C. 雅鲁藏布江大峡谷
D. 龙羊峡

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Once she was in the house, the woman behaved as if what she was looking for .

A. might be in the kitchen
B. was more likely to be upstairs
C. would be easily seen by the light from the hall
D. would look frightening to a child

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球蛋白以Ig为多，但主要分布在γ-球蛋白部分。

次级胆汁酸(secondary bile acid)