Most experts agree that human activities such as the clearing of large areas of forests, and farming on a large scale _________ the problem of global warming.

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• 1____________ the rising birth rate and immigration, the declining death rate also ____ the population growth.

  A.In consequence of; caused

  B.In addition to; resulted in

  C.In terms of; resulted from

  D.In spite of; accounted for

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• 2A cell phone could ___________the energy which could activate your brain.

  A.give away

  B.give off

  C.give back

  D.give up

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• 3He made up his mind to devote his life _____ pollution ______happily．

  A.to prevent; to live

  B.to prevent; from living

  C.to preventing; to live

  D.to preventing; from living

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• 4Victor apologized for _________ to inform of the change in the plan.

  A.his being not able

  B.his not being able

  C.him not to be able

  D.him to be not able

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• 5I decide to ____________ a more positive attitude after hearing the moving story of the disabled singer.

  A.adapt

  B.adopt

  C.accept

  D.arrange

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• 6To 'stick to something' means that you continue to do it and don't ______.

  A.give in

  B.put off

  C.give up

  D.put up

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• 7Alexander tried to get his work _______in the medical circles.

  A.to recognize

  B.recognizing

  C.recognize

  D.recognized

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• 8She doesn't speak ____________her friend, but her written work is excellent.

  A.as well as

  B.so often as

  C.so much as

  D.as good as

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• 9Pratt failed many times but he finally ____________ to find a successful way to solve the problem.

  A.broke out

  B.broke up

  C.broke down

  D.broke through

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• 10Changing the design of a new product may ______ the risk of its production in the market.

  A.bring about

  B.come about

  C.bring up

  D.come up

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