According to the author, the greatest mistake of our forefathers was that ________.

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• 1The author’s attitude towards the current situation in the exploitation of natural resources is ________.

  A.positive

  B.neutral

  C.suspicious

  D.critical

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• 2According to the passage what is the best for both parents and children、

  A.They should adjust themselves to sharing the family expenses.

  B.Children should leave their parents when they are grown-up.

  C.Adult children should visit their parents from time to time.

  D.Parents should support their adult children when they are in troubl

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• 3The word “hassles” in the passage (Line 3, Par

  A.3) probably means ________.A.agreements

  B.worries

  C.disadvantages

  D.quarrels

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• 4One of the disadvantages of young adults returning to stay with their parents is that ________.

  A.there will inevitably be inconveniences in every day life

  B.most parents find it difficult to keep

  C.the young adults tend to be overprotected by their parents

  D.public opinion is against young adults staying with their parents

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• 5Which of the following does not account for young adults returning to the nest、

  A.Young adults find housing costs too high.

  B.Young adults are psychologically and intellectually immature.

  C.Young adults seek parental comfort and moral support.

  D.Quite a number of young adults attend local schools.

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• 6It can be inferred from the third paragraph that earlier generations didn’t realize ________.

  A.the interdependence of water, soil, and living things

  B.the importance of the proper use of land

  C.the harmfulness of soil destruction and river floods

  D.the value of the beauty of nature

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• 7To avoid correcting the mistake of our forefathers, the author suggests that ________.

  A.we plant more trees

  B.natural science be taught to everybody

  C.environmental education be directed toward everyone

  D.we return to nature

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• 8What does the author imply by saying “living space... is figured... also in cubic volume above the earth” (Lines 7-8, Par

  A.3)、A.Our living space on the earth is getting smaller and smaller.

  B.Our living space should be measured in cubic volume.

  C.We need to take some measure to protect space.

  D.We must preserve good living conditions for both birds and animals.

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• 9People in the 18th and 19th centuries used to sleep about 9.5 hours a night because they had ________.

  A.no drive and ambition

  B.no electric lighting

  C.the best sleep habits

  D.nothing to do in the evening

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• 10According to Dr. David, Americans ________.

  A.are ideally vigorous even under the pressure of life

  B.often neglect the consequences of sleep deficit

  C.do not know how to relax themselves properly

  D.can get by on 6.5 hours of sleep

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