5. Mom wants me to get up at 6:00 and play ping-pong with her .

want to do sth. 意思是“想要做某事”;

want sb. to do sth.意思是“想要某人做某事”。如：

Do you want to go to the movies with me?你想和我一起去看电影吗?

The teacher doesn't want us to eat hamburgers.老师不想让我们吃汉堡包。

6. She says it’s good for my health.

be good for...表示“对……有益(有好处)”;其反义为：be bad for...。(这里for 是介词，后跟名词、代词或动名词)

如：It's good for us to do more reading. 多读书对我们有好处。

Reading in bed is bad for your eyes.在床上读书对你的眼睛有害。

7. How many hours do you sleep every night?

8. I exercise every day , usually when I come home from school .

9. My eating habits are pretty good . 这里pretty相当于very 。

10. I try to eat a lot of vegetables , usually ten to eleven times a week .

try to do sth.表示“ 尽力做某事 ” ，不包含是否成功的意思而try doing sth.表示“(用某一办法)试着去做某事”。

如: You’d better try doing the experiment in another way.

你最好试试用另一种方法做这个试验。

11. My healthy lifestyle helps me get good grades.

help sb.(to) do sth.帮助某人做某事

12. Good food and exercise help me to study better.

这里better是well的比较级，而不是good的比较级

13. Is her lifestyle the same as yours or different?

=Is her lifestyle the same as your lifestyle or is her lifestyle different from yours? be the same as … / be different from …

14. What sports do you play ?

15. A lot of vegetables help you to keep in good health .

keep in good health = keep healthy = stay healthy

16. You must try to eat less meat .

try to do sth.表示“ 尽力做某事 ” ,不包含是否成功的意思,less是little的比较级

17. That sounds interesting.

这是“主语+系动词+表语”结构的简单句。sound(听起来)，look(看起来)，smell (闻起来)，taste(尝起来)，feel(觉得)，seem(好象)，grow(变得),get (变得)等词在英语中可用作系动词，后跟形容词作表语。如：

It tastes good. 这味道好。

The music sounds very sweet. 这音乐听起来很入耳。

The smoke grew heavier and heavier. 烟雾变得越来越浓了。

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