After arrived at the port, if it is necessary to lift the piston out and inspect the M-E temporarily, the chief engineer should report the situation to the（）, and the operation could be performed only after having the approvement of relevant department.

[单选题]Which of the following reasons represents why the designed compression ratio of a gasoline engine is lower than that of a diesel engine?（）

[单选题]在个别咨询时，咨询者和当事人之间的角度以（）为好。

[填空题]在嵌套关系模型中，数据类型可以是基本数据类型，还可以是（）类型。

[问答题]燃气经营者应当公示哪些内容？

[单选题]合成胆固醇的限速酶是（）

[单选题]下列股利分配政策中，最有利于股价稳定的是（　）。

[多选题]机械设备不得带病运转，运转中()等作业，运转中发现不正常时，应先停机后检查。

[判断题]背水坡下部湿润饱和造成滑坡。

[问答题]简述B淋巴细胞的特性，它有几个亚群？

[问答题]《药品管理法》实行中药管理的主要内容有哪些？

[单选题]After arrived at the port, if it is necessary to lift the piston out and inspect...

[单选题]After arrived at the port, if it is necessary to lift the piston out and inspect...

[单选题]Please help me lift the broken （）(垫舱料).

[单选题]topping lift（）

[单选题]It's time we（）the lecture because everybody has arrived.

[单选题]After two（）delay, our train arrived at last.

[单选题]When my ship arrived there，their ship（）.

[单选题]That ship arrived there（）6 p.m.yesterday.

[单选题]It's time we（）the lecture because everybody has arrived.

[单选题]When my ship arrived there, their ship（）.