题目内容

When I got to the checkout counter, I realized I didn’t have enough money, so I kept ______ I really needed and left the rest.

A. what
B. which
C. that
D. this

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When you rewrite the paragraph, I advise you to leave out ________ is thought unnecessary or misleading.

A. what
B. that
C. these
D. which

对于渗流流速大于600m/d或者受温度变化影响的裂缝,不论其开度如何,均宜采用( )处理

A. 劈裂灌浆
B. 帷幕灌浆
C. 化学灌浆
D. 水泥灌浆

浆砌石坝体渗漏处理方法有:( )、( )、( )。

混凝土坝的渗漏处理,以排为主,以截为辅。

A. 对
B. 错

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