You feel tired and you don’t  41____  like eating anything. You can’t breathe out of your nose and your throat hurts. Don’t be afraid. You may just have a  42____  . Every year, many kids experience this sick feeling. Some kids may have eight colds every year. So,   43____  is a cold?  Well, a cold is an infection (传染病). It affects (影响)  44____  nose, ears and throat and makes you feel sick and weak. It’s very  45____  to catch a cold. When someone coughs near you, bacteria（细菌）travel through the air and  46____  your body and then make you sick. Also, if you touch your nose or eyes after touching something that has bacteria on it,  47____  a door or your desk at school, you can get a cold. There are some symptoms（症状）of a cold ,  48  a fever, a sore throat and a cough. If you sneeze, or if your nose is runny and your eyes are watery , you probably have a cold. Most people who have a cold feel very tired and don’t have much energy to do  49____   . A cold is not a pleasant thing to  50  .However, there are some things you can do to feel  51____  .You should have hot drinks  52____   you have a sore throat and cough. You should eat healthy foods and get a lot of rest so your body can be strong enough to  53____   against your cold. If you have a fever, or if you aren’t feeling better after a few days, you should visit your  54____  and take some medicine. A cold can make us upset,   55____   just remember that there are many things you can do to feel better and get stronger. Take care of your body and stay healthy.

When you don't feel well，you always go to a doctor. Doctors can help you feel better. They spend a lot of time with __  (1)  __ people. You may wonder how doctors stay healthy. Do they ever get sick __  (2)  __ their patients(病人)?

The __  (3)  __ is certainly “Yes”．Different patients carry different viruses(病菌)．Doctors are __  (4)  __ people. They __  (5)  __ stop the viruses spreading(传播)．They may get the viruses through the touch，such as __  (6)  __ hands or touching the same desk. They may get the viruses through the __  (7)  __，too. For example，when a patient coughs.

__  (8)  __，because doctors know very well about viruses，they can do a lot to help keep healthy. They always __  (9)  __ to wash their hands. They __  (10)  __ their desks and computers in their offices very often. They also eat healthy food and do plenty of exercise.

If you have the flu, it’s very important to stay home from school. Because it is a(n)   (1)  , that could make some people ill. We should   (2)   it spreading (扩散) around. The flu is a fever   (3)   one or more of these: cough, sore throat or headaches. If you have the flu, home is the   (4)  place to stay.

If you stay at home, you won’t make other people ill. And if you have the flu,   (5)  at home is what you need to get better.

Take these steps if you feel   (6)  :

① Tell you parents. They will call the  (7)   to talk about whether you have the flu or some other illness.

② Stay at home from school and other  (8)   places. Also, try not to make other people in your family ill. Do that by washing your hands   (9)  .

③ Get rest, drink more water and you will feel better fast. Be sure to tell your parents how you’re feeling   (10)  they can take good care of you.

④ Go back to school only when you’re feeling better.

 When you sit and watch TV hour after hour, do you ever think of what it may be doing to your health? More and more children are becoming overweight (超重) and nearsighted(近视），  they spend too much time in front of the TV. Also, they are growing less and less creative（活跃的） since watching TV doesn’t any active thought. Last week, the TV-Turnoff Organization(组织) began its ninth TV-Turnoff  in the USA. The organization encourages people to play games, read books, lie under a tree, talk to family members and friendswatching TV. American school children, on average(平均） , 1000 hours a year watching TV. That’s too much, say the doctors whothis year’s TV-Turnoff Week. Doctors say that thechildren watch television, the more overweight they may become. And the food children eat while they watch television makes this weightmore serious. To keep mentally(精神上) and physically(身体上) healthy, children need to take exercise, talk with friends and family, read, andthe world around them. Could you go a week without television? It might be​for many TV lovers, but why not have a try?

 If you often have a cold, headache or backache, there is   41  wrong with your health. Eating healthy food is good for our health. Tofu（豆腐）, milk, vegetables are healthy for us.

Tofu is a kind of traditional（传统的） 42  food. We often   43  it in China. Now more and more people   44  other countries think tofu is good for health,   45 . They also like eating it.

Milk is   46  kind of healthy food. Every day you should   47  one or two glasses of milk. It

can   48  us strong.

Vegetables are very important. You should eat   49  them. There are vitamin（维他命） A, B, C, D, E and so on in them.

As we know, it's important   50 abalanced diet（均衡饮食）. We must have the right kinds of food. We should also eat some pork, chicken and beef. We should eat more fruit and vegetables but less meat.

Yoga(瑜伽) is a kind of sport. It is very___11___ around the world now. Everyone can do yoga. It’s good __12___ both men and women.

Why do more and more people __13__ yoga? It’s hard to say. I think it helps you to __14__ fit.

Yoga__15_ in India about 5000 years ago. At that time, people wanted to be free, __16__, and live a long life, so this kind of ___17____ was born. Yoga is a Sanskrit(梵文) word and it __18_ to join together. There are _19__ parts in yoga: exercise, breathing and thinking. If you do _20__in yoga, it can give you peace(平静)and help you feel less stressed(更少的压力)

When people talk about air pollution, they are usually thinking about outdoor air   (1)  . But do you know that there is also air pollution inside homes, offices, hotels and other buildings? The air in your home can be 2 to 100 times more polluted than the air outdoors! In fact, some American doctors say that 50% of the illnesses have   (2)   to do with the polluted indoor air.

A lot of pollution comes from indoor activities   (3)   smoking and cooking. As most people   (4)   about 80%-90% of their time inside buildings, it is important to take indoor air pollution seriously, too.

Air pollution influences our health   (5)  . When the air is polluted, not only young children and old people   (6)   from it,   (7)   people with health problems suffer as well. Indoor air pollution can   (8)   people’s eyes, noses and throats. Air pollution, both indoor and outdoor, can also   (9)   to lung cancer and heart disease! In the great London fog in 1952, 4, 000 people died in a few days   (10)   the pollution! It is said that half a million young children and women die each year in India because of indoor air pollution!

Everyone wants to have healthy teeth. The healthier(越健康)your teeth are, the happier(越高兴) you  (1)  . How can you protect（保护）your teeth?

First, you should  (2)   your teeth in correct(正确的) time and ways. Brush your teeth twice a day  (3)  least. You had better brush your teeth after getting up and before going to bed. And you should brush all of your  (4)   , not just the front ones.   (5)  some time on the teeth along the sides and in the back. Please brush your teeth more than 3 minutes each time. Second, don’t eat too  (6)  candy. After you had something sweet, you should wash your mouth at once to keep the mouth clean. Third, you need to have   (7)  eating habits. For example after meal you had better wash your mouth or drink some  (8)  . You also need to care about what you eat and drink. Eat lots of fruits and vegetables and drink water instead of drinks.

Take care of your teeth, and they’ll help to take care   (9)  you, too. Strong, healthy teeth can help you   (10)  . Please protect your teeth!

   Today a lot of people work in offices．They ____(1)____ most of their time indoors．In the evenings they usually sit down watching TV or ____(2)____ newspapers．In order to(为了) keep ___(3)____ good health, they know they have to exercise.

   Exercising is important．Doctors ____(4)____ it is good for us. It makes our body strong. Children who often exercise are more alert(机灵的). This means they do better in tests and schoolwork than those who ____(5)____ exercise.

   There are many ways to exercise. You can walk, run, swim, skate, or play ball games. Make sure you exercise in the ____(6)____ ways: you have to like what you're doing. Exercise enough, but no ____(7)____. It's best to exercise twice a week, Thirty minutes each time is enough. Try all kinds of things until you find one, two or ever three ____(8)____ that you feel right for you.

   You can exercise at a gym. There is a lot of equipment(设备). The equipment will help exercise your arms, legs and ____(9)____ parts of your body. Some people buy equipment for their homes. But it is expensive.

   Exercising is very ____(10)____. Friends can exercise together at a gym, or they can play sports together. How do you exercise?