英语好手进,保证全对,Everyone knows that exercise is important..We all

英语好手进,保证全对,
Everyone knows that exercise is important..We all need to exercise.Doctors say it good for us.It makes our heart and body strong.Children who often exercise are more alert(灵活).This means they do better in tests and schoolwork than those who don”t exercise.
There are many ways to exercise.You can walk,yun,swim,skate,or play ball games.Make sure you exercise in the following ways:you have to like what you”re doing.Exercise enough—but not too much .It’s best to exercise twice each week.Thirty minutes each time is enough.Try all kinds of things until you find one ,two or even three sports that fel right for you.
You can exercise at fitness centers.They have a lot of equipment(器材) there.The equipment will help exercise your arms,legs 安定other parts of your body to make you fit.Some people buy equipment for their homes .But it is very expensive.
Exercising can be fun..Friends can exercise together at a fitness center,or they can play sports together .How do you eercise?
根据短文内容选最佳答案.
（ ）1.In order to do better in tests,you should_____.
A.study all the time B,take exercise often C.have more sleep
( )2.Which of the following sports is not in the text?_____.
A．Fishing B.Running C.Walking
( )3.The word “fitness centers”in the text mean______.
A.商务中心 B.健身中心 C.医疗中心
（ ）4.If you have health,you can________.
A,ecercise enough ,but not too much
B.exercise as much as possible until you”re tired out
C.do nothing ,but have a good rest