Noise, in the technical sense, implies a random chaotic disturbance _______.

试卷相关题目

• 1The ________ teacher said that the ________ structure of water makes it an excellent medium for life.

  A.chemical; chemistry

  B.chemistry; chemistry

  C.chemical; chemical

  D.chemistry; chemical

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• 2Your cough ought________ before it gets any worse.

  A.to see

  B.to be seen

  C.to see to

  D.to be seen to

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• 3He was ______maths when I entered his room.

  A.working hard at

  B.working at hard

  C.work hard on

  D.worked at

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• 4When I saw a pen lying on the ground, I stopped ________.

  A.to pick up it

  B.to pick it up

  C.picking up it

  D.picking it up

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• 5As the teacher ＿＿the problem, some of the students ＿＿ to sleep.

  A.explained ; was going

  B.was explaining ; went

  C.was explaining ; was going

  D.explained ; went

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• 6He asked:“My bike has been stolen and I will have to buy one.He said that his bike ________ stolen and he ________ have to buy one.

  A.was，would

  B.has，will

  C.has been，will

  D.had been，would

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• 7The music is a little bit too noisy.Would you please ＿＿＿＿?

  A.turn it on

  B.turn it down

  C.turn it up

  D.turn it off

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• 8We have visited the temple ________ from the 14th century.

  A.dates

  B.dated

  C.dating

  D.to date

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• 9________ ought to be no trouble because he knew the answers.

  A.It

  B.There

  C.He

  D.That

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• 10The fire sent everyone ________ all directions.

  A.running; in

  B.to rim; for

  C.to run; in

  D.running for

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