1.选择题- (共7题)
1.
假设某星球表面上有一倾角为θ=37°的固定斜面，一质量为m=2.0kg的小物块从斜面底端以速度9m/s沿斜面向上运动，小物块运动1.5s时速度恰好为零．已知小物块和斜面间的动摩擦因数为0.25，该星球半径为R=1.2×103km．（sin37°=0.6．cos37°=0.8），试求：
2.
如图所示，一小球自平台上水平抛出，恰好落在邻近平台的一倾角为θ=53°的光滑斜面顶端，并刚好沿光滑斜面下滑，已知斜面顶端与平台的高度差h=0.8m，重力加速度g=10m/s2，sin53°=0.8，cos53°=0.6，求：
3.
游乐场内两支玩具枪在同一位置先后沿水平方向各射出一颗子弹，打在远处的同一个靶上，A为甲枪子弹留下的弹孔，B为乙枪子弹留下的弹孔，两弹孔在竖直方向上相距高度为h，如图所示，不计空气阻力．关于两枪射出的子弹初速度大小，下列判断正确的是（ ）
4.
如图，可视为质点的小球，位于半径为 m半圆柱体左端点A的正上方某处，以一定的初速度水平抛出小球，其运动轨迹恰好能与半圆柱体相切于B点．过B点的半圆柱体半径与水平方向的夹角为60°，则初速度为：（不计空气阻力，重力加速度为g=10m/s2）（ ）
2.单项选择- (共9题)
8.
For many seniors in some universities, the final year can be an unpleasant experience, _______ that ends the campus romance.
| A．which | B．the one | C．what | D．one |
9.
Companies in Zhongguancun all have their own characteristics, but they all share ______ spirit of creativity and scientific skill that have made Zhongguancun________-success.
| A．the; the | B． the; a | C．/ ; a | D．/; / |
10.
------Is it Jim who is driving the new car?
-------Probably. I know he has recently bought a ______car.
-------Probably. I know he has recently bought a ______car.
| A．shiny black German | B．black shiny German |
| C．shiny German black | D．black German shiny |
11.
This new model of car is so expensive that it is ________ the reach of those with average incomes.
| A．over | B．within | C．beyond | D．below |
12.
_______you’ve tried it, you can’t imagine how pleasant it is.
| A．Unless | B．Because | C．Although | D．When |
13.
______ what the six blind men said sounded!
| A．How foolishly | B．How foolish |
| C．What foolishly | D．What foolish |
14.
---What do you think made the woman so upset？
--- _____ weight.
--- _____ weight.
| A．As she put on | B．Put on | C．Putting on | D．Because of putting on |
15.
Jane is one of the best students in her class who ______by their teacher.
| A．are praised | B．is praised |
| C．praised | D．praising |
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：9
7星难题：0
8星难题：0
9星难题：0