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

试卷相关题目

• 1“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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• 2Honey, stay outside and ______ a few minutes; then we'll go to church together.

  A.hang around

  B.hang up

  C.hang on

  D.hang out

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• 3You 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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• 4His debts _______ $100,000.       

  A.added to

  B.added up

  C.totaled

  D.were added up to

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• 5______down the radio ______ the baby's asleep in the next room．

  A.Turning

  B.To turn

  C.Turned

  D.Turn

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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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• 7The girl ______in red is a successful writer, who _______ Tom last month.

  A.dressed; got married with

  B.dressing; married to

  C.dressing; was married to

  D.dressed; married

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• 8– 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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• 9Did the manager agree ___this plan that day?

  A.to

  B.on

  C.against

  D.with

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• 10Unable to practise their traditions, many young Romans _______ illegal behavior, such as stealing, and were usually the main suspects when anything went missing.

  A.took in

  B.took on

  C.took up

  D.took to

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