1.选择题- (共3题)
3.如图所示,理想变压器的原线圈匝数为n1=1000匝,副线圈匝数为n2=500匝。原线圈接在220V的交流电源上,副线圈接有R=100Ω的负载电阻。电流表、电压表均为理想电表。下列说法中不正确的是

2.单项选择- (共5题)
4.
—There is a hole in your bag?
—I know. I’m going to have it __________.
—I know. I’m going to have it __________.
A.mend | B.mending | C.mended | D.to be mended |
5.
The visit _____ to Guilin is worth remembering for ever.
A.paid | B.paying | C.to pay | D.being paid |
6.
—Can you lend me some money?
—I’m short of money myself, but _____, I’ll give you some .
—I’m short of money myself, but _____, I’ll give you some .
A.someway | B.anyway | C.however | D.therefore |
7.
In my opinion , the thief is likely to come , please look _____ for him .
A.up | B.after | C.out | D.down |
试卷分析
-
【1】题量占比
选择题:(3道)
单项选择:(5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:5
9星难题:0