1.选择题- (共4题)
1.物体只在重力作用下由静止开始下落的运动，叫做自由落体运动，这种运动只在没有空气的空间才能发生，在有空气的空间，如果空气阻力空气阻力相对物体的重力比较小，可以忽略，物体的下落也可以近似地看作自由落体运动．
4.欢度新春佳节之际，潘琦家买了一箱老村长喜中一电热杯如图所示，甲、乙分别是电热杯的实物图、及等效工作电路图（图中R是加热的电阻），表为说明书部分参数．用电高峰期，她发现该电热杯工作1min40s，她家标有“3600R/kw．h”的电能表表盘转了81转．则：
产品名称 | 老村长电热杯 |
产品型号 | WE﹣AF |
额定电压 | 220V |
额定频率 | 50HZ |
额定功率 | 1KW |
防水等级 | IPX4 |
货号 |
2.单项选择- (共5题)
5.
Ma Yun failed twice in the college entrance exam, making people consider him as _____ failure. But now he has won ______ splendid success in business.
| A．\, a | B．a, \ | C．\, \ | D．a, a |
6.
_____ cleaning the doghouse was the last thing I wanted to do, I did it with all my efforts.
| A．Although | B．As | C．As long as | D．Now that |
7.
Constant practice has erased my accent to a point _____ people think I’m a native speaker.
| A．that | B．which | C．in which | D．at which |
8.
-- I’m exhausted. I _____ on a project day and night.
-- You’d better have several days off after finishing it. Otherwise you might break down.
-- You’d better have several days off after finishing it. Otherwise you might break down.
| A．worked | B．have worked |
| C．work | D．have been working |
试卷分析
-
【1】题量占比
选择题:(4道)
单项选择:(5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：0
9星难题：0