题目内容：

    “First wealth(财富)is health.” Many people care about their health.How to keep healthy？Different people may give different answers to this question.But it is necessary to take some exercise every day.

Mr.Fang tries to exercise every day.He can't exercise in the morning because he must get to work at seven o'clock.But he runs every evening.He walks a lot，too.He walks to school every day，and after school he plays different sports with his friends.Mr.Fang goes to a yoga(瑜伽)class on Tuesday afternoon and Thursday morning.He hardly ever falls ill.Here are some of his exercise rules：

No.1：Always wear comfortable clothes so that you can feel comfortable and relaxed when you are exercising.

No.2：To get your body ready，always do some simple   warming­up exercise first.

No.3：Never try to do too much exercise too soon.Take it nice and easy.

No.4：You need to rest a little after exercising.Don't forget to relax completely for about five minutes when you finish your work.

No.5：Stop quickly if you feel bad.And this is a very important rule.

1.Maybe Mr.Fang is a ________．

A.doctor B.teacher C.bank clerk D.policeman

2.Mr.Fang goes to yoga classes ________．

A.once a week B.twice a week C.once a day D.twice a day

3.The underlined word “comfortable” means “________” in Chinese.

A.舒适的 B.单薄的 C.极好的 D.干净的

4.From the passage we know that ________．

A.if you exercise，you must do it once a day B.you can't stop quickly when you feel bad

C.before you exercise，you must eat something D.you must relax after you finish exercising