1.选择题- (共7题)
3.
如图所示，圆柱形容器中盛有适量的水，现把长方体物块A放入容器中，已知A的密度为0.6×103kg/m3，高为15cm，底面积是容器底面积的，则物块A静止时浸入水中的深度为{#blank#}1{#/blank#} cm，水对容器底部产生的压强增加 {#blank#}2{#/blank#} Pa．（A不吸水，g取10N/kg）
4.
如图是在一定温度下，甲乙两个电阻的电流与电压的关系图象，根据图象可得R甲：R乙={#blank#}1{#/blank#} ，若将甲、乙串联后接在同一电路上，产生的热量Q甲：Q乙={#blank#}2{#/blank#} ．
6.
如图所示，起重机将重6×103N的货物匀速提升10m，再水平移动10m后静止，起重机在整个过程中对货物做功为 {#blank#}1{#/blank#} J；若起重机的机械效率为80%，则起重机做的额外功为 {#blank#}2{#/blank#} J．
7.
新农村建设让农村面貌焕然一新，许多楼房顶部装有自动供水水箱，箱体重1520N，与水平楼顶接触面积为1.5m2，为了控制进水量，在水箱顶部安装压力传感器，如图所示，A物体通过细线与压力传感器相连接，压力传感器相当于拉线开关，A的密度是2.5×103kg/m3，A重为25N，当压力传感器受到竖直向下的拉力等于25N时闭合，电动水泵向水箱注水；当拉力等于15N时断开，电动水泵停止向水箱注水．
2.单项选择- (共11题)
8.
Smoking, which may be _______ for some people, can cause great ______ to our health.
| A．fun; destroy | B．fun; damage | C．a fun; harm | D．a fun; hurt |
9.
_______is no good always complaining about life. At least, we are living.
| A．It | B．There | C．This | D．That |
10.
The money collected should be made good use ________ the people in Taiwan who suffered a lot in the earthquake.
| A．of helping | B．to help | C．to helping | D．of to help |
11.
He was __________ at the __________ waste of food in the school.
| A．shocked; shocked | B．shocking; shocked |
| C．shocking; shocking | D．shocked; shocking |
12.
___ staying at hotels in Red River Village, tourists can help the villagers make money so that they can take _____the river and the birds.
| A．By; care for | B．By; care of |
| C．Through; care about | D．With; care of |
13.
________ you have a large vocabulary, you will find it easy to read.
| A．Once | B．Before | C．Unless | D．Even though |
14.
Saving money is ________ we must do.
| A．what that | B．anything that | C．something that | D．something which |
15.
Watch out! Don’t get too close to the building walls are being painted.
| A．of which | B．which | C．whose | D．that |
16.
________ you met the foreigner from Canada?
A. Where it was that B Who it was that
C. Where was it that D. Where was that
A. Where it was that B Who it was that
C. Where was it that D. Where was that
17.
----Travelling helps us understand life better.
---- ___________.
---- ___________.
| A．Actually | B．Exactly | C．Gradually | D．Especially |
试卷分析
-
【1】题量占比
选择题:(7道)
单项选择:(11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：2
9星难题：0