完形填空考前强化练习四(附谜底详解)
The rocket engine, with its steady roar like that of a wateITll or a thunderstorm, is an impressive symbol of the new space age.Rocket engines have 1 powerful enough to shoot astronauts 2 the earth's gravitational pull and 3 them on the moon.We have now become 4 space.
Impressive and complex 5 it may appear, the rocket, which was 6 in China over 800 years 7 , is a relatively IT device.Fuel that is 8 in the rocket engine changes 9 gas.The hot and rapidly 10 gas must escape, but it can do so only 11 an opening that 12 backward.As the gas is 13 with great force, it 14 the rocket in the 15 direction.Like the kick of a gun 16 it is fired, it 17 the laws of nature 18 by Sir Isaac Newton when he discovered that“19 every action, there is 20 equal and opposite reaction.”1.A.shown B.been C.appeared D.proved2.A.against B.despite C.beyond D.from3.A.send B.land C.take D.carry4.A.travelers B.astronauts C.researchers D.explorers5.A.that B.so C.as D.sometimes6.A.made B.discovered C.developed D.invented7.A.in advance B.before C.earlier D.ago8.A.round B.contained C.stored D.burned9.A.as B.into C.for D.the10.A.heating B.escaping C.expanding D.conducting11.A.in B.at C.by D.through12.A.turns B.goes C.faces D.directs13.A.transmitted B.dispersed C.erected D.radiated14.A.attracts B.leads C.pulls D.pushes15.A.same B.other C.opposite D.wrong16.A.that B.when C.if D.although17.A.states B.proves C.follows D.breaks18.A.described B.discussed C.considered D.made19.A.like B.as C.with D.for20.A.no B.an C.another D.theCloze Test 311.【谜底】D【剖析】因厥后接描述词powerful作表语故应填系词。shown不是系词；been和appeared虽可作系词但与句意不符；而proved可作系词，意为“证明是”，符合句意。
2.【谜底】C
【剖析】根据意思判定，beyond意为“凌驾，跨越”。
3.【谜底】B
【剖析】因land on意为“使……着陆”,而send, take和carry默示“把……送到……上往”时,常接介词to,故应选land.
4.【谜底】A
【剖析】根据意思判定，travelers准确.
5.【谜底】C
【剖析】原句是默示让步的状语从句，并且是一个倒装句，故只能选C as。
6.【谜底】D
【剖析】根据词的意思区分，invented(指发明)符合题意。
7.【谜底】D
【剖析】该句为which指导的定语从句，意为“中国发明火箭是在距今800多年前。”句中谓语是普经由历程往时，故应选D.ago。
8.【谜底】D
【剖析】根据句子意思判定，burned准确。
9.【谜底】B
【剖析】change into是牢固短语，“变成”的意思。
10.【谜底】C
【剖析】根据句子意思判定，应选expanding gas缩短的气体。
11.【谜底】D
【剖析】through的意思为“穿过，经由历程”。
12.【谜底】C
【剖析】faces意为“朝着”。
13.【谜底】D
【剖析】transmit意为“通报”，disperse意为“解散”，erect意为“直立，挺直”，radiate意为“辐射，向各方向舒展”，只要D最合
题意。
14.【谜底】D
【剖析】根据句子意思判定，应为push“推”。
15.【谜底】C
【剖析】朝相反的方向，故选C。
16.【谜底】B
【剖析】when指导的定语从句。
17.【谜底】C
【剖析】根据句子意思判定, follow在这里是依照的意思。
18.【谜底】A
【剖析】根据句子意思判定，describe是“记实描绘”的意思。
19.【谜底】D
【剖析】for是“关于”的意思。
20.【谜底】B
【剖析】根据上下文,只能用不定冠词an。
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