1.单选题- (共1题)
1.
如图所示电路,闭合开关S,两个灯泡都不亮,电流表指针几乎不动,而电压表指针有明显偏转,该电路的故障可能是( )


A.电流表坏了或未接好 |
B.从点a经过灯L1到点b的电路中有断路 |
C.灯L2的灯丝断了或灯座未接通 |
D.电流表和灯L1、L2都坏了 |
2.选择题- (共3题)
2. If we want to have a {#blank#}1{#/blank#} (healthy/health) body, we should exercise a lot and eat healthily.
3. If we want to have a {#blank#}1{#/blank#} (healthy/health) body, we should exercise a lot and eat healthily.
试卷分析
-
【1】题量占比
单选题:(1道)
选择题:(3道)
-
【2】:难度分析
1星难题:0
2星难题:0
3星难题:0
4星难题:0
5星难题:0
6星难题:0
7星难题:0
8星难题:0
9星难题:1