If ________ unsolved, the problem of food safety may lead to more serious results.

试卷相关题目

• 1Little ________ about her own safety, though she was in great danger herself.

  A.did Rose care

  B.Rose did care

  C.Rose does care

  D.does Rose care

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• 2Those who are not admitted to university, ________, may attend some other courses or classes for adult higher education.

  A.though important

  B.if possible

  C.unless necessary

  D.if ever

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• 3---David has made great progress recently. ---_____, and______ .

  A.So he has; so you have

  B.So he has; so have you

  C.So has he; so have you

  D.So has he; so you have

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• 4No sooner __________ these words than the warden hit him on the head with the soup spoon.

  A.did he say

  B.has he said

  C.had he said

  D.does he say

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• 5---What is she afraid of?    ---______in public.

  A.To speak

  B.Speaking

  C.Speaks

  D.Spoke

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• 6Never before _________ in greater need of modern public transport than it is today.

  A.is the city

  B.was the city

  C.has the city been

  D.had the city been

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• 7If the weather is fine, we'll go. If ______, ______.

  A.not; not

  B.no; no

  C.not; no

  D.no; not

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• 8Only by practising a few hours every day ________ be able to play the piano well.

  A.you would

  B.would you

  C.you will

  D.will you

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• 9The flowers his friend gave him will die unless _________ every day.

  A.watering

  B.watered

  C.is watered

  D.waters

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• 10At the foot of the mountains ____________.

  A.lying a village

  B.lies a village

  C.lie a village

  D.does a village lie

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