Water plays an important role in keeping you healthy. This should come as no surprise. Much of your body is made up of water, after all. It keeps your body working properly. But did you know that too much water can poison (使……中毒) you?
Water poisoning happens when people drink too much water. This makes sodium (钠) in their blood too little.
You probably already know that too much sodium can be unhealthy. That’s true, but too little is also harmful. When you have too little sodium in your body, a lot of things will go seriously wrong in your body. Then you will feel really terrible.
Your brain may begin to go wrong. You may get a headache, feel very tired and want to throw up. In these cases, water poisoning can be deadly. You will need to be sent to a hospital right away.
Protecting yourself from water poisoning may seem easy—just don’t drink too much water, right? In some situations, however, this is easier said than done. For example, when you do some heavy exercise, such as running a marathon, you may have to drink a lot of water. It is then important to balance the number of water you drink with the number of water your body is losing. This can help you stay healthy whenever you are exercising.
So, how much water should a person drink each day? For years, we have been told to drink two liters (升) of water a day. But in fact, the actual number needed is different for each person. Today, most doctors are telling people that they should drink water whenever they feel thirsty. We can’t live without water. Neither can we live with too much water in our bodies. Make sure you take the right number of it each day—staying healthy is all about staying balanced!
【小题1】What is much of people’s body made up of according to the passage?A.Water. | B.Blood. | C.Hair. | D.Brain. |
a. People feel really terrible.
b. People drink too much water.
c. A lot of things go seriously wrong.
d. There is too little sodium in their blood.
A.c-b-a-d | B.b-c-a-e | C.b-d-c-a | D.b-a-d-c |
A.Water poisoning won’t make people die. |
B.Different people need different number of water. |
C.Too little sodium will not be harmful to people’s health. |
D.It’s easy for people to protect from water poisoning. |
A.To tell us stay in good health. |
B.To tell us stay in a balance of water. |
C.To tell us drink as less water as possible. |
D.To tell us drink two liters of water a day. |
Everybody wants to be healthy. You know food is very important. There are many healthy food. You can have more bananas, apples, oranges, tomatoes and lettuce, because fruit and vegetables are good for your health. But don’t eat too much chocolate. It’s good for you. Healthy food can make you grow well and keep strong. Remember there is a saying, “An apple a day keeps the doctor away”. Sports can also keep you healthy. Do some sports every day. Get up early and go to bed early, and you will have a healthy and happy life.
【小题1】What kind of food do we need to keep healthy?A.Bananas and apples. | B.Oranges and tomatoes. |
C.Tomatoes and lettuce. | D.Fruit and vegetables. |
A.good | B.bad | C.healthy | D.happy |
A.You will be unhealthy. | B.You will be bad. |
C.You will grow well and keep strong. | D.You will have a healthy and happy life. |
A.We should eat more fruit and vegetables. |
B.We should eat too much chocolate. |
C.We should do more sports. |
D.We should see the doctor. |
A.Food is very important for our health. |
B.There are many healthy foods. |
C.Only healthy food can make you strong and healthy. |
D.Healthy food and enough sports can keep us healthy and strong. |
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