题目内容

After passing through the turbine the exhaust gas is conducted out into the().

A. intercooler
B. compressor
C. cylinder
D. open air

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许多油墨的干燥,常常是()种干燥形式相结合来完成墨膜干燥的。

A. 2
B. 3
C. 4
D. 5

光敏电阻的亮电阻和暗电阻之差越大,说明性能越好,灵敏度越高。

A. 正确
B. 错误

After the engine is warned, we should() the turning gear before starting up the engine.

A. take in
B. put in
C. take out
D. put u

一个复杂的高阶系统可以看成是由若干个一阶和二阶系统串联而成的。

A. 正确
B. 错误

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