题目内容

采用低温液态储存天然气,通常储存量都要很大,否则经济上是不合算的。

A. 正确
B. 错误

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To keep injured survivors warm in the water after abandoning a ship,they should().

A. be placed in the middle of a small circle formed by the other survivors in the water
B. float on their backs with their arms extended for maximum exposure to the air
C. remove their life preservers and hold on to the uninjured survivors
D. sip seawater at intervals of fifteen minute

Excel不能同时打开文件名相同的工作簿。

A. 正确
B. 错误

Excel使用时,可以显示活动的工作簿中多张工作表的内容。

A. 正确
B. 错误

CRH1动车组总风压力低于800kpa时,()台主压缩机同时启动工作。

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