5.go skate boarding去划板

6.keep healthy=stay healthy保持健康

7.eating habits饮食习惯

8.take more exercise做更多的运动

9.the same as与什么相同

10.be different from不同

11.once a month一月一次

12.twice a week一周两次

13.make a difference to对......有影响/作用

14.most of the students=moststudents

15.shop=go shopping=do someshopping购物

16.be good for对......有益

17.be bad for对......有害

18.come home from school放学回家

19.of course=certainly=sure当然

20.get good grades取得好成绩

21.keep/be in good health保持健康

22.take a vacation去度假

【词语辨析】

1.maybe/may be

maybe是副词，意为“大概，可能，或许”，一般用于句首。May be是情态动词，意为“可能是...，也许是...，大概是...”.

The baby iscrying.Maybe she is hungry.

The woman may be ateacher.

2.a few/few/alittle/little

a few(少数的，几个，一些)-a little(一点儿，少量)-表示肯定

few(很少的，几乎没有的)-little(很少的，几乎没有的)-表示否定

修饰可数名词-修饰不可数名词-

People can live to 100,butfew people can live to 150.

There is little timeleft.I won’t catch the first bus.

Could you give me alittle milk?

3.hard/hardly

hard作形容词，意为“困难的，艰苦的，硬的”；作副词，意为“努力地，猛烈地”。hardly为副词，意为“几乎不”。

The ground is too hard to dig.

I can hardly understandthem.

It’s raining hard.The peoplecan hardly go outside.

4.As for homework,most students do homework every day.

as for...意思是“至于；关于”，+名词、代词或动词的-ing形式（即动名词）。

如：As for him，I never want to see him here.

至于他，我永远不希望在这里见到。

As for the story，you\\\\\\\\\\\'dbetter not believe it.