1.选择题- (共7题)
1.如图(甲)所示,竖直圆盘转动时,可带动固定在圆盘上的T形支架在竖直方向振动,T形支架的下面系着一个弹簧和小球,共同组成一个振动系统。当圆盘静止时,小球可稳定振动。现使圆盘以4s的周期匀速转动,经过一段时间后,小球振动达到稳定。改变圆盘匀速转动的周期,其共振曲线(振幅A与驱动力的频率f的关系)如图(乙)所示,则

7.一个带正电的质点, 电荷量q=2.0´10-9C,在静电场中由a点移到b点, 在这过程中, 除静电力做功外, 其它力做功为6.0´10-5J, 质点动能增加了8.0´10-5J, 则a、b两点间电势差Uab为
2.单项选择- (共11题)
8.
----Have you seen Tom and Mary?
----I haven’t seen____ of them.
----I haven’t seen____ of them.
A.neither | B.any | C.either | D.none |
10.
It is reported that Russia uses____ energy as Uklaine.
A.as twice much | B.twice as much | C.twice much as | D.twice much |
11.
When first to the market, these products enjoy great success.
A.introducing | B.introduced | C.introduce | D.being introduced |
12.
We made use of every minute ______ for the coming examination.
A.to prepare | B.prepared | C.preparing | D.prepare |
13.
It turned out that his pulse beats ____ , which made us relieved.
A.generally | B.usually | C.regularly | D.ordinarily |
17.
It is an unfair thing for our students____ have devoted 12 years to preparing the exam to be beaten by those_____ use illegal methods..
A.who; 不填 | B.不填,who | C.who,who | D.不填,不填 |
试卷分析
-
【1】题量占比
选择题:(7道)
单项选择:(11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:11
7星难题:0
8星难题:0
9星难题:0