1.选择题- (共19题)
5.一根轻绳一端系一小球，另一端固定在O点，制成单摆装置．在O点有一个能测量绳的拉力大小的力传感器，让小球绕O点在竖直平面内做简谐振动，由传感器测出拉力F随时间t的变化图象如图所示，则小球振动的周期为{#blank#}1{#/blank#}s，此单摆的摆长为{#blank#}2{#/blank#}m（重力加速度g 取10m/s2，取π2≈10）．
6.一根轻绳一端系一小球，另一端固定在O点，制成单摆装置．在O点有一个能测量绳的拉力大小的力传感器，让小球绕O点在竖直平面内做简谐振动，由传感器测出拉力F随时间t的变化图象如图所示，则小球振动的周期为{#blank#}1{#/blank#}s，此单摆的摆长为{#blank#}2{#/blank#}m（重力加速度g 取10m/s2，取π2≈10）．
12.一单摆挂在木板上的小钉上，木板质量远大于单摆质量，木板平面在竖直平面内，并可以沿两竖直轨道无摩擦地自由下落，如图所示，现使单摆摆动起来，当单摆离开平衡位置但未达到最高点时木板开始自由下落，则摆球相对于木板（ ）
2.单项选择- (共16题)
21.
_______ has been known that ______ other waste found in the ocean, the plastic does not break down.
| A．As; dislike | B．It, unlike |
| C．What, unlike | D．That, dislike |
22.
As _____ city with rich culture, Shanghai is ______ home to a number of artists who are determined to establish their own style.
| A．the; the | B．a; the | C．a; / | D．a; a |
23.
It’s important that the future ______ with a goal of caring for the environment.
| A．will build | B．would be built |
| C．be built | D．was built |
24.
Passengers _____ fasten their seat belts immediately after taking their seats. The belts should remain buckled during the flight whether or not the “fasten seat belt” light is on.
| A．shall | B．might | C．need | D．would |
25.
Many buildings in the city need repairing, but the one ____ first is the library.
| A．repaired | B．being repaired |
| C．repairing | D．to be repaired |
26.
Tom was very happy to be the owner of a(n) ______ car.
| A．red expensive Japanese sports | B．expensive red Japanese sports |
| C．Japanese expensive red sports | D．expensive red sports Japanese |
27.
The bread you bought at the supermarket today was at least ______ the bread you bought in the nearby bakery yesterday.
| A．as worse as | B．as better than |
| C．no worse than | D．not better as |
28.
_______ children get older, they become more and more interested in everything.
| A．Once | B．Whether | C．With | D．As |
29.
Usually pilots need about a decade of experience _______ they can be promoted to captain.
| A．after | B．before | C．then | D．when |
30.
Please make sure that no details _____ before you deliver a speech.
| A．would be overlooked | B．will overlook |
| C．are overlooked | D．are overlooking |
31.
Many scientists believe sea levels ______ by more than one meter by the end of the 21st century.
| A．will be risen | B．will have risen |
| C．will have been | D．will be rising |
32.
It is the farm _____ we are going to pay a visit ______ provides large quantities of green vegetables for the nearby town every year.
| A．to which, that | B．which, which |
| C．on which, that | D．which, where |
33.
When the terrible superstorm struck last October, New York got a taste of ______ its future could be.
| A．which | B．where | C．how | D．what |
34.
Riding on the swings and playing with the ducks in the pond _____ our children’s greatest pleasures when we took them to the park.
| A．is | B．were | C．was | D．are |
试卷分析
-
【1】题量占比
选择题:(19道)
单项选择:(16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：16
7星难题：0
8星难题：0
9星难题：0