________, the experiment will be successful.

试卷相关题目

• 1When ________, the water will become vapour．

  A.heated

  B.heating

  C.heats

  D.to be heated

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• 2On those questions _________ at yesterday's meeting, all the teachers made their views _________ clearly.

  A.discussing; know

  B.discussed; know

  C.discussing; knowing

  D.discussed; known

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• 3By international agreement the boundary of each nation ________ a body of water extends exactly three miles from the coastline.

  A.look

  B.faced

  C.to face

  D.fronting

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• 4At first, I considered ________ to him, but then I decided ________ him.

  A.to writer; to visit

  B.to write; visiting

  C.writing; visiting

  D.writing; to visit

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• 5After the completion of the opera house, it was clear that the design ________ to be a success．

  A.stopped

  B.meant

  C.continued

  D.proved

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• 6Judged by his ________ look, he must have met with ________ problems.

  A.puzzled ,puzzled

  B.puzzling ,puzzling

  C.puzzled ,puzzling

  D.puzzling ,puzzled

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• 7________ around Zhongshan Park, the tourists were taken to visit the Sand Lake．

  A.Showing

  B.Having shown

  C.Being shown

  D.Having been shown

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• 8What he said was ________to us.

  A.surprising

  B.surprised

  C.to surprised

  D.to be surprised

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• 9With apples at 25 cents a pound, we couldn't resist ________ four pounds．

  A.to take

  B.took

  C.taking

  D.have taken

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• 10The ship was waiting for the weather conditions ______ ．

  A.to improve

  B.improving

  C.improved

  D.to be improved

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