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问题 单项选择题 A1型题

出现下列哪种情况提示奶量不足（）

A.每日哺喂6～7次以下

B.哺喂后乳儿能安静入睡

C.吸吮时能听到咽奶的声音

D.体重增加不良

E.以上均不是

答案

参考答案：D

选择题

_____, we need to improve the equipment in our factory. [ ]

A. As it is 　

B. As it was 　

C. As it were 　

D. As it will be

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解答题
3
4
=
3+4
4+4
=
7
8
______．
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