题目内容

Complete the following sentences with the words below. Change the form if necessary.brainstorm, footpath, newspaper, bookstore, hardworking(1) The marketing team ___________ for hours and finally designed a marketing campaign (宣传活动) for the new product.(2) We walked along the ___________.(3) I read about the writer’s suicide (自杀) in an evening ___________.(4) He goes to the ___________ to read almost every weekend.(5) Since my daughter is ___________, I bought her a piano as a reward.

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电容元件是( )。

A. 储存磁场能量的元件
B. 储存电场能量的元件
C. 电压能突变
D. 其储能大小与电流有关

下列设备中属于电路中间环节的是()。

A. 连接导线
B. 电源
C. 电阻
D. 白炽灯

电感元件是()。

A. 储存电场能的元件
B. 储存磁场能的元件
C. 电流能突变
D. 储能大小与电压有关

万用表测量电阻时,必须( )。

A. 带电测量
B. 并联在电路中测量
C. 断电测量
D. 串联在电路中测量

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