In order to raise the efficiency of the water supply, measures should be taken to ________.

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• 1The author says that in some hot and dry areas it is advisable to ________.

  A.build big lakes to store water

  B.construct big pumping stations

  C.channel water from nearby rivers to cropland

  D.build small and cheap irrigation systems

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• 2According to the author, the water price should ________.

  A.correspond to its real value

  B.be reduced to the minimum

  C.stimulate domestic demand

  D.take into account the occurrences of droughts

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• 3As indicated in the passage, the water problem ________.

  A.has been exaggerated by some experts in the field

  B.is underestimated by government organizations at different levels

  C.poses a challenge to the technology of building reservoirs

  D.is already serious in certain parts of the world

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• 4What is the real cause of the potential water crisis、

  A.The world population is increasing faster and faster.

  B.Half of the world’s water resources have been seriously polluted.

  C.Humanity has not placed sufficient value on water resources.

  D.Only half of the world’s water can be used.

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• 5The author’s purpose in writing the passage is ________.

  A.to persuade young children not to worry about criticism

  B.to stress the importance of positive reinforcement to children

  C.to discuss the skill of combining criticism with encouragement

  D.to teach young athletes how to avoid burnout

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• 6According to the passage, when people grow fond of one particular brand of a product, its sales will ________.

  A.decrease gradually

  B.remain at the same level

  C.become unstable

  D.improve enormously

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• 7The first paragraph tells us that a new product is ________.

  A.not easily accepted by the public

  B.often inferior to old ones at first

  C.often more expensive than old ones

  D.usually introduced to satisfy different tastes

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• 8Marketers need to know which of the four stages a product is in so as to ________.

  A.promote its production

  B.work out marketing policies

  C.speed up its life cycle

  D.increase its popularity

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• 9The author mentions the example of “backpacks” (Line 4, Par

  A.2) to show the importance of ________.A.pleasing the young as well as the old

  B.increasing usage among students

  C.exploring new market sections

  D.serving both military and civil needs

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• 10In order to recover their share of the world market, U.S. auto makers are ________.

  A.improving product quality

  B.increasing product features

  C.modernizing product style

  D.re-positioning their product in the market

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