Section Ⅲ Discovering Useful Structures
每/日/金/句：Slow is easy to get sick, and hard work can keep fit. 懒散易生病，勤劳可健身。
语法专项突破——附加疑问句
[自主感知]
1．Wonderful gym，isn't it?
2．This isn't your first time here，is it?
3．You come here often，don't you?
4．You've lost some weight，haven't you?
5．You won't let me down again，will you?
6．Oh，I don't have to come here every day，do I?
7．Of course not. It's up to you，isn't it?
