题目内容

The young man worked very hard and earned some money to ______ his travelling expense.

A. buy
B. pay
C. cover
D. get

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She studies hard, and has got _______ for the final exam.

A. prepare
B. prepares
C. prepared
D. preparing

He got used to _______ earlier in summer.

A. get up
B. gets up
C. got up
D. getting up

间接接触电击包括（）。

A. 单相电机两相电击
B. 接触电压电击
C. 跨步电压电击
D. 直接接触电击跨步电压电击

跨步电压触电为间接接触电击，接触电压触电时直接接触触电。（）

A. 对
B. 错