Traditional sources of energy like oil and gas may someday run out. "Demand for energy to

　　power our TVs and computers, drive our cars, and heat and cool our homes is rising rapidly throughout the world," Swain said. In the future when you turn on a light, an ocean wave could be providing the electricity!

　　8. The writer uses the two questions at the beginning of the passage to _______.

　　A. test the readers' knowledge about waves

　　B. draw the readers' attention to the topic

　　C. show Jamie Taylor's importance

　　D. invite the readers to answer them

　　9. The underlined phrase "picking up" (paragraph 1) is closest in meaning to _______.

　　A. starting again B. speeding up C. gathering D. improving

　　10. We can make better use of wave energy if we _______.

　　A. shorten its journey to thousands of homes

　　B. build more small power stations on the oceans

　　C. reduce the cost of turning it into electric power

　　D. quicken the steps of producing electricity

　　11. It can be inferred that some day we might not worry about ________.

　　A. air pollution B. our boat traffic

　　C. our power supply D. our supply of sea fish

　　BCCC

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