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名师精讲大学英语四级完型填空解析讲义18

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【简介】感谢网友“雕龙文库”参与投稿,这里小编给大家分享一些,方便大家学习。

  The rocket engine, with its steady roar like that of a waterfall 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 simple 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

  

  The rocket engine, with its steady roar like that of a waterfall 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 simple 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

  

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