5． once 一次　 　twice 两次　 超过三次 用 基数词 + times　

e.g　 five times 五次

4． how often 多久一次 对频度副词always usually often sometimes hardly ever　 never 或者once a week , three times a month 等表示频率的时间提问。 How often do you exercise ?

3． on weekends 在周末

2． go skateboarding 去做滑板运动

1． go to the movies 去看电影

3.Do you have a healthy lifestyle?

[学海拾贝]

◆1.A lot of vegetables help you keep in good health.

这里的keep in good health等于 keep healthy 保持身体健康的意思。　 in good health健康　 in bad health 不健康

●例如：这位老人有很好的饮食习惯，这有助于他保持健康。

　　　 This old man has good eating habits. It helps him keep in good health.

　　 　●我奶奶身体不好，我父母每周末去看她。

　　　 My grandma is in bad health. My parents go to see her on weekends.

◆2.You must try to eat less meat.

Less 更少的，较少的　 ，　 是little 的比较级，用来修饰不可数名词，与more 相 对。

●例如：多运动，少吃饭，你将会变得更苗条和健康。

Take more exercise and eat less food and you will be thin and healthy.

2.You must try to eat less meat.

1.A lot of vegetables help you keep in good health.

3.have a healthy lifestyle. 拥有一个健康的生活方式

经典句型

2.eat less food　 吃更少的食物