题目内容

Choose the one which can fully express the meaning of the underlined words given below:The few Americans and Germans seemed just as inhibited as I was.

A.live
B. dwell
C. suppress
D. unlock

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He sketched a little map for me on the back of my invitation.

A. stretch
B. skeptic
C. scratch
D.draw

Translate the following sentences into English.Usethe words or phrases in the bracket as reference,此情此景令我如鲠在喉,周围的人们在议论什么我都浑然不觉。(lump in throat;be oblivious of )

电力系统振荡时,两侧等值电动势夹角δ作0-360度变化,其电气量变化特点为:()

A. 离振荡中心越近,电压变化越大
B. 离振荡中心越远,电压变化越大
C. δ越接近180度时,振荡电流越大
D. δ越接近0度时,振荡电流越大

距离保护装置反应( )而动作。

A. 测量阻抗增大
B. 测量阻抗减小
C. 电流增大
D. 电压降低

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