Some people say that Mars should be protected as a wildlife reserve where we do everything possible to avoid pollution, on the _______ that life could exist on it.

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• 1We are sparing no efforts to create _____ more peaceful and more advanced world, ____ place where everyone enjoys his life and freedom.

  A.a; a

  B./; the

  C.the; a

  D.the; the

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• 2--- I need to advertise for a roommate for next term. --- _______？Mary is interested.

  A.Why bother

  B.Why not

  C.So what

  D.What for

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• 3After several sleepless nights, Mr. Smith ______ a perfect solution to the financial problems of his company.

  A.kept up with

  B.put up with

  C.came up with

  D.ended up with

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• 4_____ we have enough evidence, we can't win the case.

  A.Once

  B.As long as

  C.Unless

  D.Since

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• 5Two years ago, she bought an expensive mountain bike and then she persuaded me to buy _______.

  A.this

  B.that

  C.it

  D.one

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• 6— It's my treat today. Is there anything particular you would like to have? —______ you choose is fine with me.

  A.Whatever

  B.Which

  C.Anything what

  D.No matter what

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• 7He pretended not to care but that remark ________ his real opinion on the matter.

  A.put away

  B.put out

  C.gave away

  D.gave out

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• 8Isn't it time that children ________ to bed since it is too late?

  A.went

  B.had gone

  C.have gone

  D.go

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• 9While she was in Paris，she developed a ________ for fine art.

  A.way 　　　　　　　

  B.relation

  C.taste

  D.habit

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• 10Oldfashioned phones matter when wireless networks ________in disasters.

  A.turn down

  B.turn out

  C.break down

  D.break out

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