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You may think there is only sand in the desert of the world, __1__ it is not true. In the desert, as we know, there is a little __2__, but it is not __3__ for most plants. Still we can see some plants __4__ in the desert.
There is __5__ in some places in the desert. We __6__ these places oases. In the oases, there are villages and towns. People grow __7__ kinds of crops in the fields there.
People __8__ live outside the oases. They have camels, sheep and other animals. These animals depend __9__ the desert plants for their food and do not need __10__ water.
The __11__ are useful to the desert people in many ways. They eat the meat and drink the milk of the animals. They use the camels for carrying water, food, tents and something else.
The people of the desert have to keep moving from place to place. They must always look 12 grass or desert plants for their animals. When there is no more food for their animals, they move to __13__ place. The desert people are __14__. No man in the desert would ever refuse __15__ the people in trouble and give them food and water.
1. A. and B. but C. or D. so
2. A. rain B. rains C. wind D. winds
3. A. good B. good enough C. enough good D. enough
4. A. live B. to live C. lives D. lived
5. A. stones B. plants C. wood D. water
6. A. say B. tell C. call D. find
7. A. every B. all C. a D. one
8. A. also B. too C. either D. still
9. A. with B. in C. on D. by
10. A. a little B. few C. much D. any
11. A. water B. plants C. crops D. animals
12. A. at B. for C. up D. after
13. A. other B. the other C. the others D. another
14. A. well B. friend C. friendly D. carefully
15. A. help B. helps C. helping D. to help
Scientists are trying to make the deserts into good land again. They want to
bring water to the deserts, so people can live and grow food there. They are
learning a lot about the deserts. But more and more of the earth are becoming
deserts all the time. Scientists may not be able to change the deserts in time.
Scientists think that people make deserts. People are doing bad things to the
earth. (1)Some places on the earth do not get very much rain. But they still do
not become deserts. This is because some green plants are growing there. Small
green plants and grass are very important to dry places. Plants do not let the hot
sun make the earth even drier. Plants do not let the wind blow the soil away.
(2)When a little bit of rain falls, the plants hold the water. Without plants, the
land can become a desert much more easily.
2.
4. Why is more and more land becoming deserts while scientists are trying to
make the deserts into good land?
5. Why are small green plants and grass important to dry places?
People who live in Charles' town call him "The Fish Doctor". If their pet (宠物) fish get sick, they call
him on the telephone.Charles drives his truck(卡车)to the people's houses. In the truck, he had medicine (药)
to help the sick fish get better.
Sometimes a pet store calls Charles when there are sick fish. Wherever he goes, "The Fish Doctor" is always welcome.
B. Charles Goes Fishing
C. A New pet Store
D. A Wonderful Meal
B. bus
C. truck
D. train
B. fish
C. cats
D. children
B. paint their fish
C. love their pet fish
D. eat their pet fish
B."The Dog Doctor"
C."The Cat Doctor"
D."The Pig Doctor"
can help people save much time, and they can help people work out many problems they can't do easily.
Our country asks everyone to learn to use computers except the old people.
Today more and more families own computers. Parents buy computers for their children. They hope
computers can help them improve (提高) their studies in school. Yet many of the children use computers
to play games, to watch video or to sing Karaoke, instead of studying. So many teachers and parents
complain (抱怨) that computers can not help children to study but make them fall behind. So computers
are locked by parents in the boxes.
In some other countries, even some scientists hate computers. They say computers let millions of
people lost their jobs or bring them a lot of trouble.
Will computers really bring trouble to people or can they bring people happiness? It will be decided
by people themselves.
B. it can help us a lot
C. we can use it to play games
D. it can help us to find jobs
B. Computers let them lost their jobs.
C. Computers make the students and children fall behind.
D. Computers bring people a lot of trouble.
B. bring us happiness only
C. are hated by people
D. are bad for people's health
B. It's hard to say
C. No, they can't.
D. Of course not.
B. people can live well without computers
C. one must decide how to use computers
D. computers are strange machines
moment we are born, air surrounds (包围) us. When we sit down, it is around
us. When we go to bed, air is also around us. No matter where we are on the
earth, air surrounds us. We live in air.
All living things need air. Living things cannot live without air. We can go
without food or water for a few days, but we cannot live for more than a few
minutes without air. When we are asleep, we need less air.
B. often
C. sometimes
D. never
B. a few years
C. a few months
D. a few days
B. Not everybody
C. Somebody
D. Nobody
B. don't need so much air
C. need more and more air
D. need no air at all
B. air is much more important to us than food and water
C. air is around us and we can't live without it
D. air is far away from us and we can't get it