Unit2 Topic3 Must we exercise to prevent the flu？SectionD

Unit2 Topic3 Must we exercise to prevent the flu?
SectionC 同步练习
单选。
1.______ good for our health.
A．Do exercise is B．Doing exercise is
C．Do exercises are D．Doing exercises are
2.--- You needn’t take an umbrella. It isn’t going to rain.
--- Well, I don’t know. It ______do.
A．might B．need C．would D．should
3.Doctors say that exercise is important for health, but it ________ be regular exercise.
A. can B. will C. must D. may
4.She________clean the classroom today.
A. have to B. doesn’t have to C. don’t have to D. isn’t have to
5.It’s very warm.You________to wear the coat.
A. must B. mustn’t C. don’t have to D. have to
二、情景对话。
How to Exercise Well
?Warm up
It's important to warm up before you exercise．before you do any difficult activities，（1）___
?Find good places to exercise．
You do not need to spend a lot of money exercising．（2）___You don't need to buy equipment for your home．Just get your body moving．
?（3）___
Choose a sport that you enjoy and then your exercise will be fun．Also，you only need to exercise a few times each week．If you exercise for 30minutes each time，you will stay healthy．
?Drink enough water
It's important to drink water when you exercise．（4）___
?Be careful!
If you hurt yourself while you are exercising，（5）___ Exercising when you are hurt is bad for your health．
A．Don't work too hard．B．You can run or play sports in a park or in your school gym．C．rest until you feel better．D．Your body needs it for energy and for keeping cool．E．you need to stretch（伸展）your arms，back and neck．
三、完形填空。
Hiking is a good way to exercise.Do you like it?Hiking 1 health.Hiking is a good way to exercise.Do you like it?Hiking 1 health.Most people choose to go hiking in the countryside,in the forests 2 in the mountains.They like to be close to nature and exercise 3 fit at the same time.If you are a beginner,you should start with a hike that you can finish 4 one day.As you get stronger,you can go on overnight(整夜的) hikes.Later you can go on 5 hikes which may last for days or weeks.For safety reasons,hikers should go hiking with others.You should have one or more friends with you. 6 ,if you decide to be alone,you’d better let someone know where you are going and when you will 7 .It is also a good idea to bring 8 .Backpacking is also a kind of 9 .You can carry food,clothing and other things on your back in a pack.Backpackers can stay many days in places where there is 10 food to buy.（ ）1.A.are good at B.is good at C.are good for D.is good for（ ）2.A.and B.but C.so D.or（ ）3.A.keep B.to keep C.keeping D.keeps（ ）4.A.in B.after C.on D.at（ ）5.A.long B.short C.longer D.shorter（ ）6.A.However B.But C.Because D.Until（ ）7.A.return B.return back C.arrive at D.reach（ ）8.A.some books B.some money C.a guide D.a map（ ）9.A.pleasure B.hike C.trip D.travel（ ）10.A.none B.no any C.not D.no
四、阅读。
“ Early to bed and early to rise make a man healthy , wealthy and wise.”? This is an old English saying. It means that when we go to bed early , we can get up early the next morning. Then we will become healthy. We will also become rich and clever.??? This is true. To keep healthy，we must have enough sleep. Experts(专家) say that adults should get seven to eight hours of sleep a night. Teenagers need nine to ten hours. And school-aged children may need more than ten hours of sleep. Children who do not have enough sleep can't do their work very well. They won't be wise and they may not become wealthy！??? We also need exercise. Walking , running, swimming and playing games are all exercise. Exercise keeps us strong. It also helps the blood to move around the body. This is very important. Our blood takes the nutrition( 营养 ) from food to all parts of our body.??? The head also needs blood. So exercise that moves the blood to our head helps usthink better！
（1）If we get up early and go to bed early, we'll??????? .
A.?become weak B.?have more time???????????
C.?be healthy D.?have more work to do
（2）Who needs most hours of sleep to keep healthy？
A.?Adults. B.?Teenagers. C.?Experts. D.?School-aged children.
（3）A child??????? ?when he does not have enough sleep.
A.?can't study well B.?will be wise
C.?will be wealthy D.?will be active in class
（4）A person needs exercise because??????? .
A.?he is not strong enough ?B.?it helps make him healthyC.?he has a lot of homework to do D.?it can bring him much blood
（5）Which of the following is NOT true？
A.?Exercise helps the blood to move.
B.?Exercise is good for a person's head.C.?If we have enough blood, we'll be wise.
D.?It's good for us to get up early and go to bed early.
Unit2 Topic3 Must we exercise to prevent the flu?
SectionD 同步练习答案
BACBC
二、EBADC