C.offer people in developing countries access to pure water
D.gain a deeper understanding of the photosynthesis process
答案:B 细节理解题。根据文章最后一段可知,这项发明的目的就是给穷人送电。科学家希望这项技术能在发展中国家得到广泛使用。故选B项。
31.The main idea of this passage is ________.
A.an introduction to the history of artificial leaves
B.a mixture of water power and solar energy
C.giving energy to the poor
D.an invention copying photosynthesis
答案:D 主旨大意题。根据第二段可知研究人员已经发现了一种模仿光合作用的方法。其余段落主要介绍这一发现的详细内容。故选D项。
D
Bobby Moresco grew up in New York's Hell's Kitchen, a tough workingclass neighborhood on Manhattan's West Side. But Hell's Kitchen lies right next door to Broadway, and the bright lights attracted Bobby. Being stagestruck was hardly what a street kid could admit to his friends. Fearing their ridicule,he told no one when he started taking acting lessons at the age of 17.
Moresco struggled to make that long walk a few streets east. Then he moved to Hollywood, where he drove a cab and worked as a waiter. My father said, “Stop this craziness and get a job;you have a wife and daughter.” But Moresco kept working at his chosen craft.
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