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选择填空:
The teacher said that noise pollution ______ us become angry
______.[ ]
A. makes...easier B. makes...more easily
C. made...easier D. made...more easily
查看习题详情和答案>>No air means death．Though we see it，there is air around us. air is everywhere and it gives life to every living thing．Without it we can’t live．Bad air makes people ．We must have fresh(新鲜) to keep us in good health．
In the city there are a lot of people and there are too many running on the road．The gas(气体) which the car sends out(排放) is made up of(组成) bad gases．Every day we breathe it in and ．This makes us sick． So people should door as much as they can．There are many factories，too．From the chimneys of these factories，we get the smoke usually in black color．This kind of smoke does harm our health．So in order to(为了) keep us ，we have to go out to the countryside to breathe more fresh air．Or we can go up hills to get more fresh air．
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Some kids in boarding school often like to talk with their roommates. 【小题1】They won’t stop talking until someone comes to stop them. This is the reason why many of them are sleepy in class the next day. Lack of (缺乏) sleep is bad for their health. Growth hormones (生长激素) are very important if one is to grow taller. 【小题2】The body makes the most hormones between 10 p.m. and 2 a.m. While you are asleep. 【小题3】This means that if you don’t get to sleep at the time, you won’t grow taller. 查看习题详情和答案>>