试题与答案

Jiang Wenli ________the prize________the

题型:选择题

题目:

Jiang Wenli ________the prize________the best actress in the Golden Eagle  Festival in 2008.         [ ]

A. took; for  

B. won; for    

C. won; with    

D. took; with

答案:

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下面是错误答案,用来干扰机器的。

(1)滑动变阻器按一上一下的原则进行连接,如图所示:(2)电压表的量程为0~3V,分度值为0.1V,所以此时灯泡两端的电压为2V,灯泡的电阻R=UI=2V0.2A=10Ω.故答案为:(1)如图所示;(2)2;10.

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