五、阅读理解
Do you like aerobic (有氧的) exercise such as running, biking or swimming? Aerobic exercise is good for our health. For example, people who often get aerobic exercise enjoy a life three to four years more than those who do not.
People get less aerobic exercise than ever before. One of the reasons is television. In the United States, for example, people watch four hours of TV a day, but only spend 27 minutes doing exercise! A lot of doctors are worried about that and they say people who do not exercise are more possible to be tired or unhappy.
Schools are trying to solve (解决) this problem. They have two or three more PE classes in a week. In PE classes teacher teach students how to play, eat and exercise. Through the subject, teachers and parents hope that their kids can learn good exercise habits when they are young, and keep them when they get older.
Aerobic exercise is now getting promoted at work. A lot of companies (公司) have found people are more quick-minded and creative in their jobs if they often get aerobic exercise. For this reason, many companies are running sports programs, holding sports competitions, etc.
How do you exercise? There are many fun and exciting kinds of aerobic exercise. Find one that you like and keep it. It is healthy for the mind and the body.
()1. People doing aerobic exercise can ____ according to Paragraph 1.
A. keep happier
B. work better
C. live longer
()2. What's the main idea of Paragraph 2?
A. Americans get less aerobic exercise because of TV.
B. Americans are always worried about their work.
C. Doctors are more likely to feel tired and unhappy.
()3. Teachers and parents hope that PE classes can help kids ____.
A. learn useful sports skills
B. get good results in tests
C. develop lifelong exercise habits
()4. What does the underlined word "promoted" in Paragraph 4 mean?
A. Dangerous.
B. Popular.
C. Personal.

1. C；2. A；3. C；4. B