1.选择题- (共5题)
1.如图,粗糙水平桌面上有一质量为m的铜质矩形线圈.当一竖直放置的条形磁铁从线圈中线AB正上方等高快速经过时,若线圈始终不动,则关于线圈受到的支持力FN及在水平方向运动趋势的正确判断是:

2.如图,粗糙水平桌面上有一质量为m的铜质矩形线圈.当一竖直放置的条形磁铁从线圈中线AB正上方等高快速经过时,若线圈始终不动,则关于线圈受到的支持力FN及在水平方向运动趋势的正确判断是:

2.单项选择- (共6题)
6.
Two years ago, the 9-year-old girl set up _____organization named Angel to help ____ homeless.
A.the; | B.; the |
C.an; a | D.an; the |
7.
Peter is really ____; I don’t think I will get ____ working with him in the same office.
A.amusing, boring | B. bored | C.amused, bored | D.amused, boring |
8.
Make sure that the machine is kept where it is not ____ to children.
A.possible | B.common |
C.accessible | D.useful |
9.
My uncle gave me a ____ bag, in which there was a nice mobile phone as a present.
A.red pretty paper | B.pretty red paper |
C.paper pretty red | D.pretty paper red |
10.
House prices keep rising these days. A flat in our city costs ____ now as in 1990.
A.as three times much | B.as much three times |
C.much as three times | D.three times as much |
试卷分析
-
【1】题量占比
选择题:(5道)
单项选择:(6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:6
9星难题:0