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  • 更新 2022-09-03
  • 科目 英语
  • 题型 完型填空
  • 难度 中等
  • 浏览 261

Earthquakes are common, and thousands of them happen each day.  But most are too weak to feel. During a   earthquake, there is often a great noise first.  Then the earth   terribly and many houses    down.  Railway tracks break and trains go off lines. A great many factories are destroyed. Thousands of deaths are caused, and many more lose homes.  Besides the great damage and deaths caused by the earthquake   ,other accidents such as fires often     . More buildings are destroyed and more deaths caused. It is well-known of the   of an earthquake, and for centuries man has been making researches on earthquakes. More than 2,000 years ago,  ,a Chinese scientist named Zhang Heng invented a machine which could     from which direction the seismic waves(地动波)had come, and this machine is still    by scientists today. Now we know much more about earthquakes and    they happen, but we still can't tell exactly when and where earthquake will happen,  and cannot stop it from happening.

A.real B.weak C.big D.small

A.moves B.shakes C.jumps D.breaks

A.get B.put C.set D.fall

A.lonely B.later C.themselves D.itself

A.follow B.copy C.come D.enter

A.information B.questions C.dangers D.troubles

A.as a result B.in fact C.for example D.as well

A.find out B.think up C.point at D.look for

A.improved B.repaired C.protected D.used

A.where B.why C.what D.when

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Earthquakesarecommon,andthousa