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

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• 1The 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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• 2The 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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• 3The 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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• 4What 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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• 5The reported activity of the ant colony occurred in relation to _____.

  A.the position of the sun

  B.the day of the year

  C.the temperature

  D.the geographical location

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• 6According 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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• 7According 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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• 8In 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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• 9The 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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• 10The 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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