1.选择题- (共8题)
8.如图，某儿童公园设计一个直角三角形游乐滑梯，AO为滑道，∠OBA为直角，OB=20米，设∠AOB=θrad，一个小朋友从点A沿滑道往下滑，记小朋友下滑的时间为t秒，已知小朋友下滑的长度s与t2和sinθ的积成正比，当 {#mathml#}{#/mathml#} 时，小朋友下滑2秒时的长度恰好为10米．
2.单项选择- (共7题)
9.
Achieving a high degree of proficiency in English as a foreign language is not a mysterious ________without scientific basis.
| A．process | B．practice |
| C．procedure | D．program |
10.
The club, _____ 25 years ago, is holding a party for past and present members.
| A．founding | B．founded | C．being found | D．to have found |
12.
No sooner______ themselves in their seats in the hall than the speaker began his speech.
| A．they settled | B．had they settled |
| C．did they settle | D．they had settled |
13.
Generally speaking, if ______ strictly following the instructions, the electric bike is not as dangerous as reported.
| A．riding | B．being ridden | C．to be ridden | D．ridden |
14.
There are a number of cases _______ family members or friends quarrel with each other and become enemies.
| A．that | B．which | C．where | D．when |
试卷分析
-
【1】题量占比
选择题:(8道)
单项选择:(7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：4
7星难题：0
8星难题：3
9星难题：0