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| Man has invented four kinds of satellites. The first kind of satellite studies the 1 of the earth. It is used to make maps. It also helps countries to see where they may 2 0il or gold. The second kind of satellite is used to guide ships and planes. A ship or a plane can 3 a message to the satellite, which can find out 4 the ship or the plane is. The third kind studies the weather. These satellites 5 clouds and strong winds moving across the earth. They warn countries to make preparations when very 6 weather is coming. 7 kind is used for communication. Telephone calls 8 countries can be sent by these satellites. Some can carry hundreds of calls at the same time. Each call is sent to the satellite, then the 9 sends it to a station in the country and this country is being phoned. These satellites also carry pictures; they can receive and send about eight 10 at a time. | ||||
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| Scientists are trying to make the desert into good land again.They want to bring 1to the desert. So people can live and 2food.They are working a lot on the desert.But more and more ground 3 desert all the time.Scientists may not be able to change the desert 4 time. Why is more and more land becoming 5? Scientists think that 6 make desert.People are doing 7 things to the earth. Some places on the earth don't have many rivers.8they still don't become desert.This is because some green plants are growing there.Small green plants and grasses are very important to bad places.9 don't let the hot sun make the earth even drier.Plants don't let the wind 10 the dirt away.When a little bit of rain fall,the plants hold the water.Without plants,the land can become a desert much more easily. | |||
| ( )1.A.air ( )2.A.grow ( )3.A.becomes ( )4.A.on ( )5.A.rivers ( )6.A.people ( )7.A.good ( )8.A.And ( )9.A.Plants ( )10.A.to blow |
B.water B.plant B.became B.in B.mountains B.animals B.bad B.So B.Animals B.blow |
C.food C.eat C.becoming C.for C.desert C.plants C.nice C.But C.People C.blowing |
D.sun D.cook D.is becoming D.at D.hole D.birds D.a lot of D.Because D.Birds D.blows |
for help.
ed help
wo gun shots for answer.
n the forest|
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| The best way of learning a language is always using it. The best way of learning 1 English is talking in English as much as possible. Sometimes you'll get your 2 mixed up and people will not 3 . Sometimes people will say things too 4 and you can't understand them. But 5 you keep your sense of humor, you can always have a good laugh 6 the mistakes you make. Don't be 7 if people seem to be laughing at your mistakes. It's 8 for people to laugh at your mistakes than to be angry with you, because they don't understand 9 you are saying. The most important thing for learning English is: don't be afraid of making mistakes because 10 makes mistakes. | |||
| ( )1. A. real ( )2. A. mistakes ( )3. A. like ( )4. A. fast ( )5. A. if ( )6. A. on ( )7. A. unhappy ( )8. A. good ( )9. A. that ( )10. A. someone |
B. spoken B. languages B. know B. slowly B. when B. at B. happy B. better B. what B. everything |
C. speak C. books C. help C. happily C. since C. in C. comfortable C. best C. when C. everyone |
D. written D. words D. understand D. clearly D. although D. with D. bad D. well D. where D. something |