1.选择题- (共9题)
1.两对相互接触的物体间的摩擦力，因物体相对运动的状况不同，摩擦力的性质不一样．走路时，脚与地面的摩擦力是{#blank#}1{#/blank#}；圆珠笔在纸上写字时，笔尖与纸面间的摩擦力是{#blank#}2{#/blank#}；在桌面上拖动书本，书本与桌面间的摩擦力是{#blank#}3{#/blank#}．
4.一个物体在另一个物体上滑动时的摩擦叫做{#blank#}1{#/blank#}，除了此摩擦外，还有{#blank#}2{#/blank#}和{#blank#}3{#/blank#}．
5.一个物体在另一个物体上滑动时的摩擦叫做{#blank#}1{#/blank#}，除了此摩擦外，还有{#blank#}2{#/blank#}和{#blank#}3{#/blank#}．
6.一个物体在另一个物体上滑动时的摩擦叫做{#blank#}1{#/blank#}，除了此摩擦外，还有{#blank#}2{#/blank#}和{#blank#}3{#/blank#}．
7.摩擦与我们息息相关． 老师在黑板上写字是利用粉笔与黑板间的{#blank#}1{#/blank#}摩擦．用铅笔写字时，笔尖与纸之间的摩擦是{#blank#}2{#/blank#}摩擦；用圆珠笔写字时，笔尖与纸之间的摩擦是{#blank#}3{#/blank#}摩擦．
8.拧螺钉时，螺钉在螺母中转动时的摩擦是{#blank#}1{#/blank#}摩擦；钢笔写字时，笔尖与纸面间的摩擦是{#blank#}2{#/blank#}摩擦；溜旱冰时，旱冰鞋与地面间的摩擦是{#blank#}3{#/blank#}摩擦；如图所示，在玻璃杯中装上大米，把一根筷子插在中间，将米压紧，使筷子直立于杯中，再往杯中加少许水，过一会儿提起筷子，你看到的现象是{#blank#}4{#/blank#}，这是因为{#blank#}5{#/blank#}．
9.小孩从滑梯上滑下，小孩和滑梯之间的摩擦是 {#blank#}1{#/blank#}；用钢笔写字时，笔尖和纸之间的摩擦是 {#blank#}2{#/blank#}；推车前进时，钢珠与轴承内外圈之间的摩擦是 {#blank#}3{#/blank#}；手握住茶杯，手和茶杯之间的摩擦是 {#blank#}4{#/blank#}．
2.单项选择- (共10题)
10.
I will never know what was on his mind at the time, nor will _______.
| A．anyone | B．anyone else |
| C．everyone | D．no one else |
11.
Henry’s birthday is on _______ Saturday next month，but I don’t remember _______ date.
| A．不填；the | B．a；a | C．a；the | D．the；the |
12.
Tom _______ the TV set for $500，which was much cheaper than he had expected．
| A．bought | B．paid | C．cost | D．spent |
13.
A small plane crashed into a hillside five miles east of the city, _______ all four people on board.
| A．killed | B．to kill | C．kills | D．killing |
14.
Bad habits, _______ formed, are difficult, and sometimes impossible to shake off.
| A．before | B．once | C．until | D．unless |
15.
The designer asked _______ we were getting on well with the project.
| A．how | B．what | C．if | D．that |
16.
Jack _______ the test for further study in the college. Let’s have a party to congratulate him.
| A．passes | B．has passed |
| C．has been passing | D．had passed |
17.
In my opinion, everyone has periods in their lives _______ everything seems very hard.
| A．when | B．where | C．which | D．that |
18.
There, in the kitchen, _______ I had never seen before．
| A．a girl did stand | B．a girl stood |
| C．did a girl stand | D．stood a girl |
试卷分析
-
【1】题量占比
选择题:(9道)
单项选择:(10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：3
7星难题：0
8星难题：7
9星难题：0