把房间里多余的灯都关掉，只留一只白炽灯，在靠近墙的地方，用两_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题问答题

把房间里多余的灯都关掉，只留一只白炽灯，在靠近墙的地方，用两只手作出各种姿势，你会看到，墙上的手影形成马、狗、鸭等形状，如图所示。

（1）____________的物体后面才有影子。

（2）光源发出的光为什么射不到影子里？___________________________________。

答案

（1）不透明

（2）光沿直线传播时遇到不透明物体后，在物体后形成阴影。

完形填空

As we all know “ The hand that rocks the cradle rules the world.” and “ 26 every successful man there is a woman.” Both these   27 mean the same things. Men rule the 28__ , but their wives rule them.
Chinese people and other foreigners often say, 29_ of the American women like making their husbands and sons successful, but some of them want   30__ for themselves. They want good 31 . When they work they want to 32__ better paid. They want to be as 33__ as men.
In the 1960s, the American women’s liberation   34  was started by women who don’t want to   35  behind successful men. They want to stand beside them, with the same 36__ for success. They don’t want to be told that certain jobs or   37__ are closed to them. They refused to work side by side with men who do the 38  work for higher pay.
In America, a liberation woman must be   39  of being a woman and have confidence in herself. If somebody says to her, “ You have come a long   40  , baby”, she will   41  and answer, “Not nearly as 42 as I am going to go, baby.”
On the other hand , this movement is quite 43 and many American women do not agree. 44__ it has already made some important 45__ in women’s lives.

B．improvement

单项选择题

在联合国的主要机构中，有权采取行动维持国际和平与安全的机关是( )。

A．大会
B．安理会
C．国际法院
D．秘书处