If a substance has a higher density, ____ 2, 000kg/ m³, it will not float on water.

试卷相关题目

• 1. I crossed the street to _____meeting him, but he saw me and came running towards me. 

  A.get

  B.avoid

  C.try

  D.stop

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• 223．In view of lacking preparations for the competition and not wanting to lose face, Johnson eventually decided to _____．

  A.drop in

  B.drop off

  C.drop back

  D.drop out

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• 3—Miss Broun is very busy, isn't she? —So she is. She has________greater responsibilities since she was promoted.

  A.taken off

  B.taken after

  C.taken in

  D.taken on

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• 4. “Have great changes taken place in your village？” “Yes， A new school was ______ in the village last year.”

  A.held up

  B.set up

  C.sent up

  D.brought up

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• 5－I____it as must of a student that he should say hello to his teachers first whenever they meet. －I can't agree more.

  A.take

  B.look

  C.think

  D.make

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• 6—What are you reading, Mike?     —I'm not really reading, just _________ the pages.

  A.turning off

  B.turning around

  C.turning over

  D.turning up

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• 7– Do you know why the river was polluted? -- Many different factors ___________ the serious pollution of the river.

  A.contributed to

  B.adjusted to

  C.were accustomed to

  D.were attached to

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• 8Did the manager agree __________ this plan that day?

  A.to

  B.on

  C.against

  D.with

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• 9You can't ___ possession of the house until all the papers have been signed.

  A.put

  B.hold

  C.take

  D.own

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• 10“Ladies and gentlemen! Please ___.”

  A.take your place

  B.take the place of

  C.take place

  D.take a place as you

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