测定粗集料（碎石、砾石、矿渣等）的颗粒组成、干筛法筛分结果的

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问题单项选择题

测定粗集料（碎石、砾石、矿渣等）的颗粒组成、干筛法筛分结果的计算若损耗率大于（），应重新进行试验。

A.0.10%

B.0.20%

C.0.30%

D.0.40%

答案

参考答案：C

选择题

The astronaut did many experiments in the spaceship, ______ much help for knowing space.

A．which we think it is

B．which we think are of

C．of which we think are

D．I think which is of

为维护国家统一，收复新疆，做出巨大贡献的历史人物是

A．林则徐

B．左宗棠

C．邓世昌

D．严复