题目内容：

阅读下面三篇短文，从各小题所给的四个选项中选出能回答所提问题的一个最佳答案。

One of the easiest ways to keep fit is to do jogging. Jogging is the name for a very gentle (舒缓的) running. It is just a little faster than walking.

Start slow jog 20 meters, then walk 20 meters. Little by little, if you are not feeling very tired, you may do more jogging and less walking. Finally, jog the whole way. It will be easy for you to start jogging for 15 minutes twice a week, slowly, increase this to 20-30minutes everyday. The longer you join in jogging, the more you enjoy it and the healthier you will become. Some people like jogging alone, and others enjoy doing it with friends.

Jogging in groups makes more people keener (热心的), because you just can not stay in bed while there is a group of friends waiting outside.

If you want to start jogging, prepare a pair of comfortable shoes and determined mind.

1.Jogging means _____.

A. walking

B. running as fast as possible

C. slow running

D. slow walking

2.If you are not feeling very tired, _____.

A. you may do more jogging

B. you may not do more jogging

C. you are very healthy and needn't do more jogging.

D. you can stop and have a rest.

3.One good point of jogging in groups is _____.

A. you don't feel lonely

B. you are not likely to give it up halfway

C. you can run faster

D. you can stay in bed while your friends are waiting for you.

4.If you want to start jogging, what you need most is _____.

A. a pair of comfortable shoes and a determined mind

B. a sports suit and a lot of students

C. a partner and a good plan

D. good weather.