Perhaps you 41 (hear) countless times how exercise is good for 阅读理解答案

　　英语知识运用

　　Perhaps you 41 (hear) countless times how exercise is good for your health. But do you know that it can actually help you feel good, too Experts recommend that teens get 60-minute or more 42 (physics) activities each day. Here are some of the reasons.

　　Exercise benefits every part of the body, including 43 mind. Exercising causes the body 44 (produce) chemicals that can help a person feel more peaceful and happy. Exercises can help some people sleep better. It is very useful to some people who have difficulty 45 (sleep). It can also help some people with mild 46 (depress). Plus, exercise can give people a real sense of pride at having achieved a certain goal.

　　Exercise can help you lose more weight and look 47 (good). People who exercise burn calories. They look stronger and healthier than those 48 don’t. In fact, exercise is one of the most important parts of keeping your body 49 a healthy weight.

　　Exercise helps people lower the risk of some diseases. Exercising to maintain a healthy weight decreases a person’s risk of developing certain diseases, including diabetes and high blood pressure. These diseases, which used to be found 50 (most) in adults, are becoming more common in teens.

　　答案解析：

　　41 have heard 42 physical 43 the 44 to produce 45 sleeping

　　46 depression 47 better 48 who 49 at 50 mostly