煤矿安全监察员是( )，履行国家煤矿安全监察职责，具有明确的法律地位，受法律保护和

当结构达到正常使用或耐久性能某项规定限值的极限状态时称为（）。

A.正常使用极限状态 

B.承载能力极限状态 

C.临界荷载 

D.极限荷载

在项目周期中，融资服务需要解决的问题贯穿项目的( )阶段。

A．策划

B．准备

C．实施

D．验收

E．完工

完成句子。

1. ________ (到现在为止), we have achieved what we would never expect to achieve.

2. ________ (这很有可能) that he would succeed in his career.

3. A lot of new states in America ________ (模仿了) the English fashion at that time.

4. You can't ________ (得出结论) without enough evidence.

5. There must be a major ________ (误会), for I can't understand her at all.

救生抛投器的救生圈落水后（）S内自动充气。

A.3.0

B.10.0

C.30.0

D.60.0

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