上衣一般使用（）尾拉链，裤子使用（）尾拉链。_爱下问搜题

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问题填空题

上衣一般使用（）尾拉链，裤子使用（）尾拉链。

答案

参考答案：开；闭

选择题

They said to us, "Are you afraid to leave this house?"
They asked us _________ afraid to leave _________ house.

A. that were we; this
B. that we were; that
C. if were we; this
D. if we were; that

问答题

简述常见输液时溶液不滴故障原因及排除方法？