No air means death. There is air around us  36  we can’t see it. Air is everywhere and it gives   37  　to every living thing. We can’t live  38   it. Bad air makes people ill. We must have fresh air to keep us  39  .

In the city there are a lot of people and there are too many  40   running on the road. The gas which the car sends out is made up of(组成) bad gases. Every day we  41   it in and        out. This makes us feel sick. There are many  42  , too. From the chimneys(烟囱) of these factories, we  43   get the smoke in black color. This kind of smoke is  44  to our health. So in order to keep us healthy, we have to go out to the   45   to breathe more fresh air. Or we can go up hills to get more fresh air.

1.A. because            B. though               C. so

2.A. life               B. name      　         C. pleasure

3.A. with               B. without          C. below

4.A. quiet              B. tall       　    C. healthy

5.A. dogs               B. trains      　  C. cars

6.A. breathe            B. draw       　    C. bring

7.A. animals            B. people           C. factories

8.A. usually  　　      B. never     　         C. seldom

9.A. helpful     　　   B. dangerous        C. necessary

10.A. office    　      B. city             C. Countryside

When we look at the moon through a telescope(望远镜), we can see lines and circles(圆形物). People used to(过去常常) think that this was the moon’s face and that there was a man in the moon! This is not true. There is no man in the moon.
　　What do we know about the moon? First of all, the moon is much smaller than the earth. Days and nights on the moon are very long. One day on the moon is as long as two weeks on the earth. One night is also as long as two weeks on the earth. In the daytime the moon is very hot and at night is very cold.
【小题1】On the moon ____________.

When we look at the moon through a telescope(望远镜), we can see lines and circles(圆形物). People used to(过去常常) think that this was the moon’s face and that there was a man in the moon! This is not true. There is no man in the moon.

　　What do we know about the moon? First of all, the moon is much smaller than the earth. Days and nights on the moon are very long. One day on the moon is as long as two weeks on the earth. One night is also as long as two weeks on the earth. In the daytime the moon is very hot and at night is very cold.

1.On the moon ____________.

　　    A. there is a man　            B. there is a woman　

C. there are a lot of people　    D. there is no man

2.Now we know _____________________.

　　    A. some facts about the moon　　B. nothing about the moon

　　    C. little about the moon　　 D. few facts about the moon

3.Which of the following is true?

　　    A. The moon is bigger than the earth. 

B. The earth is much bigger than the moon.

　    　C. The moon is as big as the earth.　 

D. The earth isn’t as big as the moon.　　

4. One day on the moon is as long as ______________.

　　    A. seven days on the earth　　 B. fourteen days on the earth.

　　    C. 240 hours on the earth　　　D. two years on the earth

5.The moon is very hot _____________.

A. all the time　          B. during the night　

C. in the daytime　       D. at night and in the daytime

No air means death. There is air around us  36 we can’t see it. Air is everywhere and it gives   37 　to every living thing. We can’t live  38  it. Bad air makes people ill. We must have fresh air to keep us  39 .
In the city there are a lot of people and there are too many  40  running on the road. The gas which the car sends out is made up of(组成) bad gases. Every day we  41  it in and        out. This makes us feel sick. There are many  42 , too. From the chimneys(烟囱) of these factories, we  43  get the smoke in black color. This kind of smoke is  44 to our health. So in order to keep us healthy, we have to go out to the   45  to breathe more fresh air. Or we can go up hills to get more fresh air.
【小题1】A. because            B. though              C. so
【小题2】A. life               B. name     　        C. pleasure
【小题3】A. with               B. without         C. below
【小题4】A. quiet              B. tall      　   C. healthy
【小题5】A. dogs           B. trains     　  C. cars
【小题6】A. breathe            B. draw      　   C. bring
【小题7】A. animals            B. people          C. factories
【小题8】A. usually  　　      B. never    　        C. seldom
【小题9】A. helpful    　　    B. dangerous       C. necessary
【小题10】A. office   　      B. city            C. Countryside