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

试卷相关题目

• 1The 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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• 2The 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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• 3The way that the osmotic pump pill works is based on a process called ______.

  A.cellulose

  B.osmosis

  C.pressure

  D.synthesis

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• 4The passage implies that the osmotic pump pill is better than other pills and capsules because_____.

  A.it releases medicine slowly over a long period of time

  B.the coating doesn't dissolve in the stomach

  C.the medicine in the pill can affect the body quickly

  D.it helps to build pressure in the body

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• 5What controls the migration of birds seems to be ______.

  A.dark, cloudy days and bright, sunny days

  B.direction of migration

  C.time between sunrise and sunset

  D.breeding habits

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• 6According 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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• 7In 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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• 8The paragraph following the passage most likely discusses _____.

  A.unusual ways to advertise products

  B.types of payment plans for service

  C.theories about how products affect different levels of society

  D.how certain elements of a price "package" influence its market value

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• 9The 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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• 10The 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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