1.选择题- (共3题)
3.某建筑工地的工人为了运送瓦片,用两根截面为正方形的木料AB､CD,支在水平地面上形成斜面,AB与CD平行且与地面有相同的倾角α,如图所示.从斜面上端将几块瓦片叠放在一起无初速释放,让瓦片沿木料下滑到地面(瓦片截面可视为一段圆弧),现发现因滑到地面时速度过大而造成瓦片破裂.为了不使瓦片破裂,在不改变斜面倾角α的前提下,可以采取的措施是( )
2.单项选择- (共7题)
4.
________ experiment took us five months and turned out ________ great disappointment.
| A．The ;/ | B．/; a | C．The; a | D．The; the |
6.
It is wise to have some money ________ for old age.
| A．kept up | B．given away |
| C．turned in | D．put away |
7.
It was ________ that we went camping on the mountain.
| A．such nice weather | B．so nice a weather |
| C．such a nice weather | D．too nice weather |
8.
They went on well at first but eventually everything ________ they had worried about happened.
| A．which | B．what | C．that | D．when |
9.
In the police station I saw the man from __________ room the thief had stolen the TV set.
| A．whom | B．which | C．that | D．whose |
试卷分析
-
【1】题量占比
选择题:(3道)
单项选择:(7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：5
7星难题：0
8星难题：2
9星难题：0