The underlined words “natural law” in the third paragraph refer to the fact that ________.

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• 1People in some areas gain a source of heat by _________.

  A.keeping their livestock downstairs

  B.protecting their livestock from the cold

  C.sharing their houses only with their cows

  D.living on the second floor with their livestock

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• 2What did people begin to consider as electricity was no longer cheap、

  A.The climate of their areas.

  B.The energy for their houses.

  C.The fashions for their houses.

  D.The building materials for their houses.

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• 3In the dark forests ______, some large enough to hold several English towns.

  A.stand many lakes

  B.lie many lakes

  C.many lakes lie

  D.many lakes stand

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• 4There was never any time for Kate to feel lonely, ______ she was an only child.

  A.ever since

  B.now that

  C.even though

  D.even as

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• 5Months ago we sailed ten thousand miles across this open sea, which _______ the Pacific, and we met no storms.

  A.was called

  B.is called

  C.had been called

  D.has been called

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• 6From the passage, we can conclude that __________.

  A.people will no longer consider building materials in the future

  B.energy-saving buildings will become more popular in the future

  C.almost all people will move into the houses heated by large rocks

  D.energy engineers will devote themselves only to modern technology

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• 7The machine Babbage designed would solve difficult maths problems _________.

  A.in one operation with few mistakes

  B.in more than one operation without any mistakes

  C.in more than one operation with slight mistakes

  D.in one operation without any mistakes

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• 8Babbage failed to continue his research work in 1828 mainly because _______.

  A.he was in poor health

  B.he almost ran out of money

  C.his co-workers argued with him

  D.he spent all his money on his bills

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• 9Babage explained his new idea to the government officials, expecting that _________.

  A.they would agree to his plan

  B.they would pay for his new idea

  C.they would support him with money

  D.they would exhibit his new design

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• 10From the passage, we can infer that __________.

  A.Babbage failed to be a famous scientist at Cambridge

  B.Babbage always had new ideas but gave them up easily

  C.Babbage always needed support from the government officials

  D.Babbage was the first designer of the modern computer

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