1.单选题- (共6题)
A. 沿a→b→c→d的方向流动
B. 沿d→c→b→a的方向流动
C. 由I到Ⅱ是沿a→b→c→d的方向流动，从Ⅱ到Ⅲ是沿d→c→b→a的方向流动
D. 由I到Ⅱ是沿d→c→b→a的方向流动，从Ⅱ到Ⅲ是沿a→b→c→d的方向流动
| A．匀速向左运动 | B．加速向右运动 |
| C．减速向右运动 | D．减速向左运动 |
| A．合上开关K接通电路时，A1和A2均立即点亮 |
| B．合上开关K接通电路时，A2先亮，A1后亮，最后一样亮 |
| C．断开开关K切断电路时，A1和A2都要过一会儿才熄灭 |
| D．断开开关K切断电路时，A2立刻熄灭，A1闪亮一下才熄灭 |
A
A
2.选择题- (共4题)
阅读下面短文，从短文后各题所给的A、B、C、D四个选项中，选出最佳选项。
A group of adults, highly succeeded in their jobs, went to visit their old professor. Soon they began to 1 the stress in work and life.
The professor went to the kitchen and returned 2 a pot of coffee and all kinds of cups-crystal(水晶的) , glass, plastic, some nice looking, some plain looking, some 3, some cheap. And he told them to help 4 to the coffee.
When all the students had a cup of coffee in hand, the professor said, "I've noticed that all the nice looking and expensive cups were 5, leaving behind the plain and cheap ones. While it is6 for you to want only the best for yourselves, that is the source of your 7 and stress.
You know that the cup itself adds no quality to the coffee. 8 you really wanted was coffee, not the cup, 9 you consciously went for the best cups.
Now consider this: Life is the coffee; the jobs, money and 10 in society are the cups. They are just 11 to hold and contain life, and the type of cup does not change the quality of our life. Sometimes, by 12 only on the cup, we fail to enjoy the coffee that God has 13 us. God gave us the coffee, not the cups. Please enjoy your coffee! "
The happiest people don't have the best of everything. They just make the 14 of everything.
Live simply. Love generously. Care deeply. Speak 15. And leave the rest to God.
3.多选题- (共1题)
| A．副线圈两端的输出电压减小 |
| B．通过灯泡L1的电流减小 |
| C．原线圈中的电流增大 |
| D．变压器的输出功率加大 |
4.填空题- (共2题)
匀速转动，线框中感应电流的峰值Im= ，感应电流的有效值I= 
5.解答题- (共2题)
（1）在t=2.0s时刻，通过电阻R的感应电流大小；
（2）在t=5.0s时刻，电阻R消耗的电功率；
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【1】题量占比
单选题:(6道)
选择题:(4道)
多选题:(1道)
填空题:(2道)
解答题:(2道)
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【2】：难度分析
1星难题：0
2星难题：0
3星难题：0
4星难题：1
5星难题：0
6星难题：4
7星难题：0
8星难题：6
9星难题：0