A
①Do you want to keep thin and look good? Do you want to stay away from health problems? Do you have sleep problems and want to get a better sleep? Do you want to make more friends? If you do, just exercise! You may hear lots of ways to keep healthy. Here some easy-to-remember ways for you.
②Eat healthily. It's important to eat vegetables and fruit every day. It's also a good idea to eat less sugar and drink more water.
③Move more and sit less. Although about 150 minutes of exercise a week is good, experts say that any activity is better than nothing. So try to stand up more often and do more activities.
④Get enough sleep. Most people need about 7 - 9 hours of sleep each night. If you feel tired when you do an activity, or if you need to drink coffee to make you not sleep. you may not get enough sleep. It's not easy to get enough sleep, but it is a must for good health.
⑤Don't exercise by yourself. When you exercise, ask a friend to go with you. He or she can encourage you when you feel tired. Then you will not stop exercising halfway.
()16. What is the theme(主题) of the passage?
A. Food. B. Health. C. Friends. D. Sports.
()17. Choose the best sentence to put in "" in Paragraph 2.
A. Eating habits will never keep you healthy.
B. Think about what goes into your mouth.
C. Your parents can make nice food for you.
D. You must have meals at home every day
()18. What does the underlined word "it" refer to in Paragraph 4?
A. Doing exercise. B. Getting enough sleep.
C. Drinking coffee. D. Drinking more water.
()19. Which of the following best shows the structure(结构) of the passage?

()20. What's the purpose(目的) of the passage?
A. To show the problems of being heavy.
B. To show how important to have enough sleep.
C. To ask us to do more exercise in life.
D. To tell us some ways to keep healthy.

16. B
17. B
18. B
19. A
20. D

16. 本文围绕保持健康的方法展开，涵盖健康饮食、多运动、充足睡眠等内容，核心主题是健康，因此选B。
17. 第二段主题是健康饮食，空处需要引出健康饮食的相关内容，B选项“Think about what goes into your mouth.”符合语境，与后文的饮食建议相呼应；A选项表述错误，C、D选项与健康饮食的主题无关，故选B。
18. 第四段中“It's not easy to get enough sleep, but it is a must for good health.”里的it指代前文提到的“Getting enough sleep”，故选B。
19. 文章第①段总起，引出保持健康的方法；第②-⑤段分别从四个不同方面分述具体的健康建议，属于总-分结构，对应选项A的结构，故选A。
20. 文章开篇提出保持健康的相关需求，随后分点介绍了多种保持健康的方法，目的是告诉读者一些保持健康的方式，故选D。