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

试卷相关题目

• 1The 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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• 2All living organisms, regardless of their unique identity, have certain logical, chemical, and physical characteristics in common.

  A.as a result of

  B.considering

  C.on purpose

  D.whatever

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• 3There 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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• 4We were astonished to hear that their football team had won the champion.

  A.amazed

  B.amounted

  C.amused

  D.approached

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• 5An 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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• 6The 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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• 7The 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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• 8The latest census is encouraging.

  A.count

  B.statement

  C.agreement

  D.estimate

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• 9Academic records from other institutions often become part of a university's official file and can neither be returned to a student nor duplicated.

  A.borrowed

  B.purchased

  C.copied

  D.rewritten

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• 10While serving in the Senate in the early 1970s, Barbara Jordan supported legislation to ban discrimination and to deal with environment problems.

  A.list

  B.forbid

  C.handle

  D.investigate

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