The scientists are urging that the chemical _____．

试卷相关题目

• 1______, we'll go camping.

  A.weather permits

  B.If weather will permit

  C.weather permitting

  D.weather permitted

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• 2Hearing a scream, I rushed downstairs, only ________ the hostess lying unconscious on the floor.

  A.seeing

  B.having seen

  C.seen

  D.to see

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• 3He found his son _______ inside the lift, _______ very worried.     

  A.trapping; felt

  B.trapped; felt

  C.trapped; feeling

  D.trapping; feeling

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• 4________ was it that made the singer  ______ his Asia Tour Concerts.

  A.What; put off

  B.Why; put up

  C.How; put away

  D.Where ; put on

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• 5The old castle is well _____ visiting.

  A.worthy

  B.worth

  C.valuable

  D.reliable

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• 6The detective,____ to be reading a newspaper, glanced at the man_____ next to a woman.

  A.pretending ,seated

  B.pretended ,seated

  C.pretending ,seat

  D.pretended ,seating

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• 7The warning of the storm, ______ over the radio and on TV, spread quickly through the province.

  A.broadcasting

  B.having broadcast

  C.broadcast

  D.to be broadcast

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• 8I'd like to have this rope ________ that wire.

  A.joined in

  B.joined to

  C.join in

  D.join to

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• 9He must have done it well, because he told me he just did what he _____ to do.

  A.has been told

  B.had been told

  C.was told

  D.had told

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• 10He arrived early,____ to have a look at his favourite pop star.

  A.hoping

  B.to hope

  C.having hoped

  D.hoped

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