All living organisms, regardless of their unique identity, have certain logical, chemical, and physical characteristics in common.

试卷相关题目

• 1There is an abundant supply of cheap labor in this country.

  A.a steady

  B.a plentiful

  C.an extra

  D.a stable

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• 2We were astonished to hear that their football team had won the champion.

  A.amazed

  B.amounted

  C.amused

  D.approached

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• 3An important part of the national government is the Foreign Service, a branch of the Department of the State.

  A.a unity

  B.a division

  C.an embassy

  D.an invitation

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• 4Medicine depends on other fields for basic information, particularly some of their specialized branches.

  A.conventionally

  B.obviously

  C.especially

  D.inevitably

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• 5Since the Great Depression, the United States government has protected farmers from damaging drops in grain prices.

  A.slight

  B.surprising

  C.sudden

  D.harmful

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• 6The most crucial problem any economic system faces is how to use its scarce resources.

  A.puzzling

  B.difficult

  C.terrifying

  D.urgent

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• 7Human facial expressions differ from those of animals in the degree to which they can be deliberately controlled and modified.

  A.sufficiently

  B.noticeably

  C.intentionally

  D.absolutely

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• 8The Constitutions, vague nature has given it the flexibility to be adapted when circumstances change.

  A.imprecise

  B.concise

  C.unpolished

  D.elementary

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• 9The expedition reached the summit at 10:30 that morning.

  A.top of the mountain

  B.bottom of that morning

  C.starting point

  D.site

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• 10The latest census is encouraging.

  A.count

  B.statement

  C.agreement

  D.estimate

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