1.选择题- (共6题)
3.
为测量圆盘匀速转动时的角速度，设计了如下实验．
如图所示，有一定厚度的圆盘绕通过中心垂直于盘面的水平轴转动，将电磁打点计时器固定在桌面上，将纸带的一端穿过打点计时器的限位孔后，固定在待测圆盘的侧面上，圆盘转动时，纸带可以卷在圆盘侧面上．先后打出几条纸带，选择点迹清楚且均匀的一段纸带进行测量．已知打点计时器的打点周期为T．该实验需要的测量工具是{#blank#}1{#/blank#}，需要测量的物理量及表示符号是{#blank#}2{#/blank#}，用已知量和测得量表示角速度的表达式为ω={#blank#}3{#/blank#}．
4.
为测量圆盘匀速转动时的角速度，设计了如下实验．
如图所示，有一定厚度的圆盘绕通过中心垂直于盘面的水平轴转动，将电磁打点计时器固定在桌面上，将纸带的一端穿过打点计时器的限位孔后，固定在待测圆盘的侧面上，圆盘转动时，纸带可以卷在圆盘侧面上．先后打出几条纸带，选择点迹清楚且均匀的一段纸带进行测量．已知打点计时器的打点周期为T．该实验需要的测量工具是{#blank#}1{#/blank#}，需要测量的物理量及表示符号是{#blank#}2{#/blank#}，用已知量和测得量表示角速度的表达式为ω={#blank#}3{#/blank#}．
5.
如图所示，一质量为m的物体在半径为R的半圆形轨道上滑行，经过最低点的速度为v，物体与轨道之间的动摩擦因数为μ，则它在最低点时加速度大小为{#blank#}1{#/blank#}，受到的摩擦力大小为{#blank#}2{#/blank#}．
2.单项选择- (共9题)
7.
To tell ______ truth, he is at ______ loss what to do currently．
| A．/; a | B．the;/ | C．the; a | D．/;/ |
8.
No student ______ go out of the school campus after 10:00 at night without permission according to the school regulations.
| A．shall | B．must | C．would | D．should |
9.
--How do you find the health club?
-- I ______. Everyone is saying its management is going from bad to worse.
-- I ______. Everyone is saying its management is going from bad to worse.
| A．ought to have joined | B．should have joined |
| C．would rather not have joined | D．would like to have joined |
10.
I don’t think it easy, even if we work hard, _____ the South Korea and the North Korea to sit down to talk at present.
| A．persuaded | B．to persuade | C．persuade | D．persuading |
11.
--- Jim has his wife do all the housework! Isn’t he wise?
--- Not really. He is _______.
--- Not really. He is _______.
| A．more wise than lazy | B．wiser than lazy |
| C．more lazy than wise | D．lazier than wise |
12.
Mr. John was so humorous that we had a good laugh ______ the meal.
| A．at | B．over | C．in | D．between |
13.
--It is a long time ______ I saw you last year.
--Yes. And it will be some time ______ we see each other again.
--Yes. And it will be some time ______ we see each other again.
| A．when; after | B．after; when |
| C．since; before | D．before; since |
14.
--You do a very good job in German translation!
--Thanks. I ______ German in Zhejiang University for four years!
--Thanks. I ______ German in Zhejiang University for four years!
| A．was studying | B．study | C．studied | D．had studied |
试卷分析
-
【1】题量占比
选择题:(6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