No sulfur and no phosphorus(磷) ____present in this product .

试卷相关题目

• 1Truth and honesty____always best policy.

  A.are

  B.is

  C.have been

  D.become

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• 2Ignorance and negligence____this mistake.

  A.cause

  B.have caused

  C.has caused

  D.are

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• 3The wheel and axle____a rotating lever.

  A.is

  B.was

  C.are

  D.were

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• 4There____in this room.

  A.are too many rooms

  B.are too much room

  C.are plenty of rooms

  D.is plenty of room

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• 5A large number of cars____parked in front of my house.

  A.is

  B.are

  C.was

  D.has

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• 6Every hour and every minute____important.

  A.are

  B.were

  C.is

  D.will

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• 7In each room____ten students.

  A.are

  B.is

  C.there is

  D.there was

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• 8____from the tenth floor when the policeman pointed his pistol at him.

  A.Jumped down the burglar

  B.Down the burglar jumped

  C.The burglar jumping down

  D.Down jumped the burglar

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• 9____do we go for picnics .

  A.Certainly

  B.Sometimes

  C.Seldom

  D.Once

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• 10Only when you have acquired a good knowledge of grammar ____write correctly.

  A.you will

  B.you can

  C.can you

  D.can’t you

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