第三节 完形填空(30分)
Scientists have always wanted to know more about the other worlds in space. They have looked at them 21 the telescope and 22 this way they have found out 23 . They know, for example, many facts about the moon.
The moon is about 384,000 kilometers 24 the earth . A plane can not fly to the moon because there isn’t enough air. But a rocket can fly even when there is no air .
“How does a rocket fly ?” If you want to know, get a balloon and 25 blow it up 26 it is quite big. Do not 27 the neck of the balloon. Let it go 28 and see 29 happens. The balloon 30 through the air very quickly. The air inside the balloon 31 out. It rushes out through the 32 balloon and this pushes the balloon through the air. It does not need wings 33 .
This is 34 a rocket 35 . It is not made of rubber like a balloon, of course . It is made of metal. The metal 36 not be heavy 37 it must be very strong. A gas is put inside the rocket. When the gas is hot enough , it rushes out of the open end of the rocket , and pushes it 38 the air.
Rockets can fly far out into space . Rockets with men inside them have already 39 the moon . Someday rockets may be able to go 40 in space .
21.A.through B.towards C.across D.into
22.A.at B.up C.in D.by
23.A.a lot of B.lots of C.a great deal of D.a great deal
24.A.away far B.away from C.far from D.far to
25.A.then B.first C.at last D.last
26.A.when B.while C.until D.as
27.A.tie up B.take up C.put up D.hold up
28.A.carefully B.slowly C.suddenly D.quickly
29.A.that B.what C.which D.whether
30.A.go up B.going up C.will fly off D.flying off
31.A.try to get B.trying to get C.tried to get D.tries to get
32.A.neck B.body C.mouth D.nose
33.A.to fly B.flying C.its own D.of it
34.A.what B.how C.when D.where
35.A.runs B.goes C.works D.flies
36.A.shall B.may C.can D.must
37.A.but B.and C.so D.therefore
38.A.in B.into C.from D.towards
39.A.got B.arrived C.reached D.reached
40.A.anywhere B.everywhere C.somewhere D.nowhere
20.-Tony said he could fix my bicycle, but I really doubt it.
- He’s good at this sort of thing.
A.Don’t worry. B.Of course
C.A piece of cake D.I couldn’t agree more.
19.-I have learned that your husband’s family has a lot of money.
- ? I have never relied on him.
A.What for B.What if C.So what D.How come
18.-The work will take me another week. I’m really tired.
-I think you as well consult an experienced worker.
A.must B.need C.may D.can
17.There was a report a brave policeman who caught a murderer by himself in yesterday’s newspaper.
A.to praise B.to sing high praise for
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