题目内容

Nowadays many women are as ____in business as men.( success)

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The weather is so ____high up in the mountains that the forecast is sometimes not reliable.(change)

These ____can monitor speed and distance from the car in front.(sense)

The director of ____for the bank was very busy organizing interviews and career fairs at various universities during the hiring season.(recruit)

把()定向移动的方向规定为电流的方向。

A. 电子
B. 正电荷
C. 负电荷
D. 光子

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