The paragraph following the passage most likely discusses _____.

试卷相关题目

• 1In the last sentence of the passage, the word "they" refers to _____.

  A.return privileges

  B.all the factors

  C.buyer and seller

  D.money

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• 2According to the passage, which of the following is NOT a factor in complete understanding of price、

  A.Instructions that come with a product.

  B.The quantity of a product.

  C.The quality of a product.

  D.Warranties that cover a product.

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• 3According to the passage, the price system is related primarily to _____.

  A.labor and education

  B.transportation and insurance

  C.utilities and repairs

  D.products and services

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• 4The passage implies that cellulose is a very porous substance because it contains _____.

  A.millions of tiny holes

  B.a substance that dissolves it

  C.a substance that creates pressure

  D.liquid medicine

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• 5The passage implies that medicine in an osmotic pump pill will leave the pill when _____.

  A.the pill is swallowed

  B.the cellulose coating is dissolved

  C.enough pressure builds up in the pill

  D.the medicine is dissolved with water from the body

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• 6The atmosphere of the moon is _____ that of the earth.

  A.much the same as

  B.harder to see than

  C.much different from

  D.cleaner than

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• 7The surface of the moon is _____.

  A.so hot that it warms the earth

  B.much colder at all times than the earth

  C.about the same as that of the earth in terms of heat and cold

  D.sometimes much hotter, sometimes much colder than the earth

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• 8In talking about the question of where the moon came from, Professor Wetherill of the University of California said that he believes that the answer is _____.

  A.going to be found by 1990 at the latest

  B.that the moon was once part of the earth

  C.a chmd of gas and dust thom which both the earth and the sun were born

  D.probably something no one has thought of yet

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• 9Since earth creatures cannot breathe in the moon's atmosphere, we can safely say that _____.

  A.it is impossible for people to live on the moon

  B.people would need special equipment in order to live on the moon

  C.there is no way to grow food there

  D.no one would want to live there

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