2017年外研版必修三Module6 Period 1课堂10分钟达标含解析 Ⅱ. Read the passage again and choose the best answers. 1. Which of the following is NOT the advantage of a dam according to the passage? A. To control a river’s water flow. B. To improve navigation and to control flooding. C. To reduce the population of some species of animals. D. To produce hydro-electric power. 【解析】选C。细节理解题。从第一段可知A、B、D三项正确, 从第四段的. . . but they can also harm the environment. Species that use rivers to reproduce are often hurt by dams. 可知造成某些动物物种数量减少是大坝带来的负面作用, 故C项不对。 2. The third paragraph mainly tells us ________ . A. how hydro-electric power is produced B. what a turbine is and how it works C. how the magnets and the metal coils work D. how the falling water passes through a turbine 【解析】选A。主旨大意题。第三段主要告诉我们水电是怎样通过一些设备产生的, 故答案为A。
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