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托福阅读推断题范例(7)

2015-07-31 16:17:49来源：网络

　　【托福阅读推断题范例(7)】托福阅读推断题本质是逻辑推理型事实信息题。新东方在线托福网为大家带来托福阅读推断题范例(7)，希望对大家托福备考有所帮助。更多精彩尽请关注新东方在线托福网!

　　查看全部：托福阅读推断题范例及答案

　　托福阅读推断题例题

　　例题7：Electricity from Wind

　　… In principle, all the power needs of the United States could be provided by exploiting the wind potential of just three states—North Dakota, South Dakota, and Texas.

　　Paragraph 3: Wind power has a significant cost advantage over nuclear power and has become competitive with coal-fired power plants in many places. With new technological advances and mass production, projected cost declines should make wind power one of the world’s cheapest ways to produce electricity. In the long run, electricity from large wind farms in remote areas might be used to make hydrogen gas from water during periods when there is less than peak demand for electricity. The hydrogen gas could then be fed into a storage system and used to generate electricity when additional or backup power is needed.

　　Paragraph 4: Wind power is most economical in areas with steady winds. In areas where the wind dies down, backup electricity from a utility company or from an energy storage system becomes necessary. Backup power could also be provided by linking wind farms with a solar cell, with conventional or pumped-storage hydropower, or with efficient natural-gas-burning turbines. Some drawbacks to wind farms include visual pollution and noise, although these can be overcome by improving their design and locating them in isolated areas.

　　Based on the information in paragraph 3 and paragraph 4, what can be inferred about the states of North Dakota, South Dakota, and Texas mentioned at the end of paragraph 1?

　　They rely largely on coal-fired power plants.

　　They contain remote areas where the winds rarely die down.

　　Over 1 percent of the electricity in these states is produced by wind farms.

　　Wind farms in these states are being expanded to meet the power needs of the United States.

　　答案见下一页>>>>


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　　更多托福阅读题型相关知识点，尽请关注>>>>新东方在线托福阅读！

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