Do remember to be ________. We must avoid any possible risks when doing this dangerous chemical experiment-burns, poisonous gases or cuts from broken tubes.

试卷相关题目

• 1Girls used to take fewer advanced math courses than boys but now they are taking just ________.

  A.as much

  B.so much

  C.as many

  D.so many

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• 2—  I'd like to book a room for tonight.    —  Sorry, sir, but we don't have any room _____ at the moment.

  A.suitable

  B.useful

  C.comfortable

  D.available

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• 3He was watching her doing it with a ________ look on her face, as if to say that she would not change her mind.

  A.determining

  B.determined

  C.sceptical

  D.secure

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• 4Just like fingerprints, each person's DNA is _________ unless he has a twin.

  A.unusual

  B.normal

  C.various

  D.unique

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• 5If you are looking for a fully-furnished room to rent, I think there's a(n) _______ apartment in my building.

  A.empty

  B.bare

  C.free

  D.vacant

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• 6Obviously TV plays an important part in people's lives, for it brings us ____ images from aroundthe world.

  A.casual

  B.visual

  C.gradual

  D.spiritual

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• 7They are developing new types of plants that can be grown in poor soil or even sand,and that areless _____ to be attacked by pests and diseases.

  A.possible

  B.probably

  C.likely

  D.maybe

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• 8______words and expressions have come into the English language from American English.

  A.A large amount of

  B.Masses of

  C.A great deal of

  D.Many a

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• 9Most animals and plants are _______ large or sudden changes in temperature, so the ocean is a safe and comfortable habitat.

  A.stable to

  B.sensitive to

  C.steady to

  D.pure to

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• 10he kids seated themselves ______ to the teacher and listened _______ with great interest.    

  A.closely; close

  B.close; closely

  C.closely; closely

  D.close; close

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