1.选择题- (共6题)
1.(2011年杭州二中质检)如图所示,重80 N的物体A放在倾角为30°的粗糙斜面上,有一根原长为10 cm、劲度系数为1000 N/m的弹簧,其一端固定在斜面底端,另一端放置物体A后,弹簧长度缩短为8 cm,现用一测力计沿斜面向上拉物体,若物体与斜面间最大静摩擦力为25 N,当弹簧的长度仍为8 cm时,测力计读数不可能为( )

2.单项选择- (共9题)
7.
I have made ______ clear that all of us are strongly against smoking in the office.
A.this | B.it | C.that | D.one |
8.
Here are two pairs of shoes, ______ you may choose.
A.both of them | B.either of them |
C.any of which | D.either of which |
9.
He plays well or badly according to his mood (心情), so he’s a very _________ player.
A.modest | B.easygoing | C.temperamental | D.calm |
13.
No one knows exactly ______ this important discovery was made.
A.that | B.that how | C.what | D.when |
14.
The area ______ the explosion happened was closed off by the police.
A.which | B.as | C.why | D.where |
试卷分析
-
【1】题量占比
选择题:(6道)
单项选择:(9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:0
5星难题:0
6星难题:0
7星难题:0
8星难题:9
9星难题:0