抗日战争胜利后中国人民的普遍愿望是（    ）

She had an illness a year ago and ____ back pain from then on. (suffer)

一年前她有过一场病，从那以后她经常背疼。

常见的视力缺陷有近视和远视．如图所示是一位视力缺陷者的眼球成像示意图，他的视力缺陷类型及矫正视力应该配戴的透镜种类是（　　）

下列说法不符合ⅦA族元素性质特征的是 

补全对话。
A：Can I help ____?
B：Yes, please. I want a sweater.
A： ____ ____do you want?
B：Blue.
A： ____you are.
B：Can I ____it ____?
A：Of course. ____do you ____this sweater?
B：It's very pretty. ____ ____is it?
A：It's 100 yuan.
B：That's too expensive.