题目内容

防水材料如尺寸较小,接缝必然就较多,容易产生缝隙渗漏,因而屋面应有较大的排水坡度,以便将屋面积水迅速排除。

A. 对
B. 错

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Sustainable development is a matter of top ___ to the Chinese government.

A. conflict
B. concern
C. contact
D. conference

It indicates that China is seeing science as ___ to its future well-being.

A. efficient
B. unique
C. critical
D. alternative

When people don’t see that their leader has a ___, they’ll start to doubt him.

A. civilization
B. benefit
C. vision
D. performance

The company will send a representative to ___ their business in that region.

A. attend to
B. attempt at
C. associate with
D. approve of

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