1.选择题- (共7题)
2.如图,质量为M的楔形物块静置在水平地面上,其斜面的倾角为θ.斜面上有一质量为m的小物块,小物块与斜面之间存在摩擦.用恒力F沿斜面向上拉小物块,使之匀速上滑.在小物块运动的过程中,楔形物块始终保持静止.地面对楔形物块的支持力为( )
2.单项选择- (共9题)
8.
Liu Xiang achieved his __________ to become the first man to cover the 110-meter hurdles in less than 12.91 seconds.
| A．ambition | B．graduation | C．assistance | D．encouragement |
9.
It was __________ great shock to the world that a French airplane got missing over __________ Atlantic Ocean on June 1st, 2009.
| A．a; ／ | B．the; the | C．a; the | D．/; the |
10.
He spent __________ money on books and _________ his books are about space and satellites.
| A．a great deal of; a good many of | B．a good many; a great number of |
| C．a great number of; a large amount of | D．quantities of; a quantity of |
11.
Gunpowder is generally believed __________ in ancient China.
| A．to have invented | B．being invented | C．to have been invented | D．having invented |
12.
Tony, would you go and see if Sam has any difficulty ____ his tape recorder?
| A．to fix | B．fixing |
| C．for fixing | D．fix |
13.
When I came back from shopping, I found my purse __________.
| A．having stolen | B．being stolen | C．stolen | D．stealing |
14.
Can you think of some cases __________drivers obviously knew the traffic rules but did not obey them.
| A．which | B．as | C．where | D．that |
15.
—People should stop using their cars and start using public transport.
—________. The roads are too crowded as it is.
—________. The roads are too crowded as it is.
| A．All right | B．Exactly |
| C．Go ahead | D．Fine |
试卷分析
-
【1】题量占比
选择题:(7道)
单项选择:(9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：1
7星难题：0
8星难题：8
9星难题：0