先通读短文，掌握其大意，然后从A、B、C、D四个选项中选出一个可以填入相应空白处的最佳答案，并将其标号填入题前括号内。

Now satellites are 　36 　to forecast(预报)the weather. They are in space, and they can 　　37 　any part of the world．The satellites take pictures of the atmosphere(大气)， 38 this is where the weather forms(形成). They send these 　39　 to the weather stations. So meteorologists(气象学家)can see the weather of any part of the world．From the pictures, the scientists can often say 40　 　the weather will change.

Today, nearly five hundred weather stations in sixty countries receive satellite pictures. When they receive new pictures, the meteorologists compare them with earlier 　41 . Perhaps they may find that the clouds have changed during the last few hours. This may mean that the 　　42　 　on the ground may soon change, too. In their next weather forecast, the meteorologists can say this.

So the weather satellites are a great 　　43　 　to the meteorologists. 　　44 __satellites were invented, the scientists could forecast the weather for about 24 or 48 hours. Now they can make good forecasts for three or five days. Soon, perhaps, they may　 　　45　 　forecast the weather for a week or more ahead(提前).

36．A．help　　 　　　　 B．to help　　 　　 C．helped　　　 　　　　 D．helping

37．A．reach　 　　　　 B．arrive　　　 　　 C．get　 　　　　　　　 D．go

38．A．so　　　 　　　 B．because　　 　　 C．even　　　 　　　　 D．and

39．A．satellites　 　　 B．pictures　　 　　 C．weather　 　　　　　 D．space

40．A．that　　 　　　 B．for　　　 　　　 C．where　　　 　　　　 D．how

41．A．it　　 　　　　 B．one　　　 　　 C．ones　　　 　　　　 D．them

42．A．clouds　 　　　 B．weather　　 　　 C．pictures　　 　　　　 D．trees

43．A．report　　 　　 B．luck　　 　　　　 C．helpful　　 　　　　　 D．help

44．A．Before　 　　　 B．After　　 　　　 C．Since　　 　　　　　 D．If

45．A．can　　　 　　 B．be　　　 　　　 C．be able to　 　　　　 D．could

35．--- Look at the sign on the right.　　　　

---- Oh, smoking ____ here.

A．doesn’t allow　 　　 B．isn’t allowed　 　　 C．didn’t allow　 D．wasn’t allowed

34. ---- All the students in Class One went to the cinema ________ Li Ping. Why?

---- Because he had a stomachache.

A．besides　　 　　　　　 B．without　　　 　　C．except　　 　　D．beside

33．The farmer keeps _______________ cows on his farm.　

A．hundred　　　 　　　 B．hundred of　　 　　C．hundreds　　 D．hundreds of

32．If you ___________ in the exam, you will let your parents down.

A．fall　　 　　　　　　　　 B．will fall　　　 　　　　 C．fail　　　　 　　 D．will fail

31．---- Shall we stay at home watching TV tonight?

---- No, I’d like __________ and see a movie.

A．to go　　　 　　　　 B．go　　　 　　　　 C．went　　 　　 D．going

30． _____________ we plant, _________________our city will be.

A．The more trees, the beautiful　 　　　　 B．The less trees, the more beautiful

　 C．The more trees, the more beautiful　 　　　 D．The less trees, the beautiful

29．---- I haven’t seen Grace for a long time.　 　

---- I haven’t seen her, _____.

A．other　　　 　　　　 B．too　　　 　　 　C．either　　　 　　　　 D．instead

28．There ____________ an interesting cartoon on CCTV- 6 at seven thirty this evening.

A．is going to have　 　　 B．is going to be 　 　C．will have　 　　　　 D．will to be