The following statements are true concerning the significance of the finding EXCEPT that

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• 1Before people found stone objects and animal bones in the north of European Russia, some experts thought human beings lived in that area about

  A.30 thousand years ago

  B.20 thousand years ago

  C.28 thousand years ago

  D.15 thousand years ago

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• 2What did scientists think was true、

  A.Each person has a fixed weight range.

  B.Each person has a weight range of 9 kg.

  C.Each person wants to control his weight.

  D.Each person wants to eat to his heart’s content.

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• 3What did Ethan Sims make his subjects do、

  A.Battle their genetic inheritance.

  B.Increase their weight.

  C.Stay at home.

  D.Lower their weight.

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• 4What happened to the eight fat people after they left the hospital、

  A.They went mad.

  B.They killed themselves.

  C.They were back to normal weight.

  D.B.They killed themselves.C.They were back to normal weight.D.They attempted suicid

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• 5What did Jules Hirsch do in his study、

  A.He let the eight fat people skip supper.

  B.He let the eight fat people skip breakfast.

  C.He let the eight fat people run every morning and evening.

  D.He gave the eight fat people a liquid formula providing 600 calories a day.

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• 6Which is the most important discovery among the findings

  A.A long elephant tusk.

  B.Ancient stone tools.

  C.123 bones from animals.

  D.mammoth tusk covered with small cuts

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• 7How old is the tusk、 About years old

  A.25 thousand

  B.28 thousand

  C.36 thousand

  D.40 thousand

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• 8What did the ancient people need to survive in the extremely cold environment

  A.the ability to do the unexpected

  B.a high level of social development

  C.thick clothes

  D.small animals to feed on

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• 9Gardening can bring lifelong happiness because

  A.it is a profitable business.

  B.it can improve a gardener's ability to remake nature.

  C.a gardener can enjoy a very happy relationship in marriage.

  D.nature is an unexhausted source of joy

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• 10The research of the US university found that most people feel happy when they

  A.are at leisure.

  B.take the job of gardening.

  C.are after their goals.

  D.own great properties.

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