However, at times this balance in nature is ________, resulting in a number of possibly unforeseen effects.

试卷相关题目

• 1Criticism and self-criticism is necessary ________ it helps us to find and correct our mistakes.

  A.by that

  B.at that

  C.on that

  D.in that

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• 2John Dewey believed that education should be a preparation for life, that a person learns by doing, and that teaching must ________ the curiosity and creativity of children.

  A.seek

  B.stimulate

  C.shape

  D.secure

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• 3All things ________, the planned trip will have to be called off.

  A.considered

  B.be considered

  C.considering

  D.having considered

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• 4I’d rather you ________ make any comment on the issue for the time being.

  A.don’t

  B.wouldn’t

  C.didn’t

  D.shouldn’t

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• 5A peculiarly pointed chin is his most memorable facial ________.

  A.mark

  B.feature

  C.trace

  D.appearance

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• 6If she doesn’t tell him the truth now, he’ll simply keep on asking her until she ________.

  A.does

  B.has done

  C.will do

  D.would do

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• 7The patient’s health failed to such an extent that he was put into ________ care.

  A.tense

  B.rigid

  C.intensive

  D.tight

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• 8Does everyone on earth have an equal right ________ an equal share of its resources、

  A.by

  B.at

  C.to

  D.over

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• 9Americans eat ________ as they actually need every day.

  A.twice as much protein

  B.twice protein as much twice

  C.twice protein as much

  D.protein as twice much

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• 10In 1914, an apparently insignificant event in a remote part of Eastern Europe ________ Europe into a great war.

  A.inserted

  B.imposed

  C.pitched

  D.plunged

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