The flu is believed _______ by viruses that like to reproduce in the cells inside the human nose and throat.

试卷相关题目

• 1He speaks English well indeed, but of course not _____ a native speaker.

  A.as fluent as

  B.more fluent than

  C.so fluently as

  D.much fluently than

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• 2Bill’s aim is to inform the viewers that cigarette advertising on TV is illegal, _______、

  A.isn’t it

  B.is it

  C.isn’t be

  D.is he

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• 3The number of deaths form heart disease will be reduced greatly it people _______ to eat more fruit and vegetables.

  A.persuade

  B.will persuade

  C.be persuaded

  D.are persuaded

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• 4The first use of atomic weapons was in 1945. and their power ______ increased enormously ever since.

  A.is

  B.was

  C.has been

  D.had been

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• 5Children under 12 years of age in that country ________ be under adult supervision when is a public library.

  A.must

  B.may

  C.can

  D.need

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• 6The flowers ____ sweet in the botanic garden attract the visitors to the beauty of nature.

  A.to smell

  B.smelling

  C.smelt

  D.to be smelt

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• 7The disc, digitally ______ in the studio, sounded fantastic at the party that night.

  A.recorded

  B.recording

  C.to be recorded

  D.having recorded

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• 8American women usually identify their best friend as someone _____ they can talk frequently.

  A.who

  B.as

  C.about which

  D.with whom

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• 9After Yang Li wei succeeded in circling the carth, _______ our astronauts desire to do is walk in space.

  A.where

  B.what

  C.that

  D.how

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• 10Jasmine was holidaying with her family in a wildlife park _____ she was bitten on the leg by al lion.

  A.when

  B.while

  C.since

  D.once

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