如图所示的电路，电源电压不变，闭合开关S后，灯L1和L2均发光．过了一段时间，一盏灯突然熄灭，而电流表和电压表的示数都不变，则电路出现的故障可能是_刷题宝

题干

如图所示的电路，电源电压不变，闭合开关S后，灯L₁和L₂均发光．过了一段时间，一盏灯突然熄灭，而电流表和电压表的示数都不变，则电路出现的故障可能是（）

A：L₁短路

B：L₂短路

C：L₁断路

D：L₂断路

上一题下一题 0.0难度选择题更新时间:2019-08-28 11:37:43

答案(点此获取答案解析）

C

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要求：1、信中须包含所有提示内容，可适当发挥；2、词数60词左右。

English Club

Are you good at English listening and speaking?

Now your chance!

Activities (活动): Watch English movies; Learn English songs;

Hold English talent shows (举办才艺表演)

Time: Every Tuesday, Thursday 6:30-8:00 p.m.

Come and join us!

Please write to Miss Gao!

提示: 1. Why do you want to join the English club? 2. Which activity do you like best in the club? 3. What else do you want to do in the club?

Dear Miss Gao,

……

I'm looking forward to your answer soon.

Li Hua

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