问题 判断题

气管也有清洁吸入空气的作用。

答案

题目分析:呼吸系统由呼吸道和肺组成.呼吸道由鼻腔、咽、喉、气管、支气管组成.是气体进入肺的通道.其中鼻腔有温暖、湿润和清洁空气的作用.而气管内粘液和纤毛,纤毛不断地向上摆动,将吸入的灰尘和细菌及粘液推向咽部,通过咳嗽以痰的形式可出.所以,气管也能清洁吸入的空气.

阅读理解

Health is the most important thing in the world. Nothing is more important than health. If we take away our money, houses, or even our clothes, we can still survive. —  小题1:  That is why we always try to eat in a healthy way and exercise regularly.

How can we keep healthy? In order to eat healthily, I usually avoid eating food high in fat, like French fries or cookies, which are junk food. 小题2:  I eat a lot of vegetables and fresh fruit which are full of vitamins (维生素).

 小题3:  Taking exercise every day helps us build a strong body. Regular exercise is an important part of keeping me healthy.

What’s more, I think friends are an important part of one’s health. 小题4: I always feel better when I am with friends than I am alone. When I am with friends, I always laugh. Laughing is also in important part of health. It’s good to stay with my friends.

By eating properly and exercising regularly, I can keep my mind as well as my body happy. These things sound easy to do, but not many people can manage them. 小题5:  

A.One the other hand, doing exercise is very important.

B.There are some people who like staying alone, but they keep healthy.

C.Many students show that people with a wide range (范围) of social contacts (接触) don’t

get sick.

D.But if our health was taken away, it is certain that we would surely die.E. I only eat little meat.

F. I think a strong will is necessary if want to keep healthy.

G. Some people appear fat because they often eat too much.

单项选择题