题目内容

Let's make a_____ (购物清单) before we go to the supermarket.

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When you buy food, you should_____ (注意) the production date.

Excuse me, this T-shirt is too big for me. Do you have_____ (小一点的尺码吗)?

CH3COOH + HOC2H5→

A. CH3COOC2H5
B. CH3CH2OC2H5
CH2＝CH2

围绝经期妇女,妇查:子宫不大,阴道不规则流血,首先考虑

A. 子宫黏膜下肌瘤
B. 子宫内膜炎
C. 有排卵性异常子宫出血
D. 无排卵性异常子宫出血
E. 阴道炎