It is vital that every piece of equipment ______ before the experiment.

试卷相关题目

• 1World leaders at the G20 summit conference in London decided to ______$1．1trillion（万亿）to supporting world economic growth and trade．

  A.collect

  B.spend

  C.devote

  D.pay

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• 2______animals like wolves and bears usually hunt for small animals for food．

  A.Meat-eaten

  B.Meat-eating

  C.Eating—meat

  D.Eaten-meat

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• 3_____ to sunlight for too much time, as the doctors say, will do harm to one's skin.

  A.Being exposed

  B.Having exposed

  C.Exposed

  D.After being exposed

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• 4--- What can I do for you? --- I'd like to buy a present for my son, _______ at a proper price but of great use.

  A.one

  B.the one

  C.which

  D.that

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• 5The box is ______ with “Made in China”.

  A.marked

  B.carved

  C.covered

  D.signed

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• 6I ______, but my mother didn't ______ .

  A.wanted ; allow

  B.hoped to ; allow me to

  C.wanted ; allow it

  D.hoped ; allow it

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• 7_____the stress of examination is over, we can all relax.

  A.When

  B.Even if

  C.for

  D.Now that

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• 8The officials of the National Ministry of Information Industry advise people to limit the personal information  they make______about themselves online．

  A.available

  B.affordable

  C.acceptable

  D.valuable

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• 9We often say that something is “as light as air”, but air is__________light.

  A.hardly

  B.rather

  C.so

  D.really

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• 10My watch ______ 2 minutes. Would you be so kind as to set it backwards?

  A.gains

  B.gets

  C.wins

  D.loses

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