单项选择题

在发动机起动过程中，随着转速的增大，起动控制器控制的回油量将（）。

A．逐渐增大
B．不变
C．不断变小
D．先增大后变小

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第一次工人运动由高潮转向低潮的事件是()
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What is implied in the lecture Mark delivered to his students after his survival?
A、It's pure luck that works in such a crisis.‍
B、It's mental strength that works in such a crisis.‍
C、It's friendship that works in such a crisis.
D、It's government power that works in such a crisis.