The introduction of gunpowder gradually made the bow and arrow ________, particularly in Western Europe.

试卷相关题目

• 1For three quarters of its span on Earth, life evolved almost ________ as microorganisms.

  A.precisely

  B.instantly

  C.initially

  D.exclusively

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• 2The authors of the United States Constitution attempted to establish an effective national government while preserving ________ for the states and liberty for individuals.

  A.autonomy

  B.dignity

  C.monopoly

  D.stability

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• 3As an industry, biotechnology stands to ________ electronics in dollar volume and perhaps surpass it in social impact by 2020.

  A.contend

  B.contest

  C.rival

  D.strive

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• 4Equipment not ________ official safety standards has all been removed from the workshop.

  A.conforming to

  B.consistent with

  C.predominant over

  D.providing for

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• 5Some day software will translate both written and spoken language so well that the need for any common second language could ________.

  A.descend

  B.decline

  C.deteriorate

  D.depress

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• 6Whoever formulated the theory of the origin of the universe, it is just ________ and needs proving.

  A.spontaneous

  B.hypothetical

  C.intuitive

  D.empirical

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• 7The future of this company is ________: many of its talented employees are flowing into more profitable net-based businesses.

  A.at odds

  B.in trouble

  C.in vain

  D.at stake

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• 8The growth of specialization in the 19th century might be more clearly seen in sciences such as ________.

  A.sociology and chemistry

  B.physics and psychology

  C.sociology and psychology

  D.physics and chemistry

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• 9We can infer from the passage that ________.

  A.there is little distinction between specialization and professionalisation

  B.amateurs can compete with professionals in some areas of science

  C.professionals tend to welcome amateurs into the scientific community

  D.amateurs have national academic societies but no local ones

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• 10The author writes of the development of geology to demonstrate ________.

  A.the process of specialization and professionalisation

  B.the hardship of amateurs in scientific study

  C.the change of policies in scientific publications

  D.the discrimination of professionals against amateurs

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