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ETS官方托福样题阅读部分：风电

2015-07-17 16:02:39来源：网络

　　26. Based on the information in paragraph 1, which of the following best explains the term wind farms?

*Farms using windmills to pump water
*Research centers exploring the uses of wind
*Types of power plant common in North Dakota
*Collections of wind turbines producing electric power

　　Paragraph 1 is marked with an arrow .

　　27. The word emit in the passage is closest in meaning to

*use
*require
*release
*destroy

　　28. 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.

　　Paragraph 3 and paragraph 4 are marked with arrows .

　　29. According to paragraph 3, which of the following is true about periods when the demand for electricity is relatively low?

*These periods are times when wind turbines are powered by hydrogen gas.
*These periods provide the opportunity to produce and store energy for future use.
*These periods create storage problems for all forms of power generation.
*These periods occur as often as periods when the demand for electricity is high.

　　Paragraph 3 is marked with an arrow .

　　30. In paragraph 4, the author states that in areas where winds are not steady

*power does not reach all customers
*wind farms cannot be used
*solar power is more appropriate
*backup systems are needed

　　Paragraph 4 is marked with an arrow .

本文关键字: ETS官方 托福阅读样题

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