It is hard to tell whether we are going to have a boom in the economy or a ________.

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• 1The ________ form childhood to adulthood is always critical time for everybody.

  A.conversion

  B.transition

  C.turnover

  D.transformation

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• 2If you want this painkiller, you’ll have to ask the doctor for a ________.

  A.transaction

  B.permit

  C.settlement

  D.prescription

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• 3The passage tells us that proof of life on Mars would ________.

  A.make clear the complex chemistry in the development of life

  B.confirm the suggestion that bacterial fossils traveled to Earth on a meteorite

  C.reveal the kind of conditions under which life originates

  D.provide an explanation why life is common in the universe

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• 4By saying “With Mars the scientific stakes are arguably higher than they have ever been” (Line 1, Par

  A.4), the author means that ________.A.with Mars the risks involved are much greater than any previous space ventures

  B.in the case of Mars, the rewards of scientific exploration can be very high

  C.in the case of Mars, much more research funds are needed than ever before

  D.with Mars, scientists argue, the fundamental interests of science are at issue

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• 5What is the main goal of sending human missions to Mars、

  A.To find out if life ever existed there.

  B.To see if humans could survive there.

  C.To prove the feasibility of large-scale space ventures.

  D.To show the leading role of science in space exploration.

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• 6His use of color, light and form quickly departed from the conventional style of his as ________ he developed own technique.

  A.descendants

  B.predecessors

  C.successors

  D.ancestors

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• 7Failure in a required subject may result in the ________ of a diplom

  A.A.refusal

  B.betrayal

  C.denial

  D.burial

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• 8To help students understand how we see, teachers often draw an ________ between an eye and a camer

  A.A.image

  B.analogy

  C.denial

  D.axis

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• 9A 1994 World Bank report concluded that ________ girls in school was probably the single most effective anti-poverty policy in the developing world today.

  A.assigning

  B.admitting

  C.involving

  D.enrolling

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• 10The author of report is well ________ with the problems in the hospital because he has been working there for many years.

  A.acquainted

  B.informed

  C.accustomed

  D.known

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