The real potential for charger-free cell phone technology is what it could enable places where plugging in isn’t an option, like rural areas in the developing world.

　　Cell phones are spreading faster than power lines and bringing with them countless opportunities, aid and health advances. A phone like the E-Cu, if it ever comes to be, would enable all manner of expanded aid and development by phone projects. Let’s hope Patrick finds a partner.

　　【文章大意】本文介绍的是一种不用插入电源、在口袋里即可获得电能的手机。

　　1. What do we know about the E-Cu phone?

　　A. It doesn’t have a battery or a charger.

　　B. It is properly marketed and sells well.

　　C. It’s continuously charging from any area.

　　D. It has a highly conductive copper cover.

　　【解析】选D。细节理解题。根据第二段“. . . the E-Cu(E for energy, Cu for copper)is coated by copper backing with heat sinks like those normally used to keep electronics from overheating. ”可知, 这种手机有一个铜制的后盖, 可以防止电器过热, 所以有一个导热性很强的盖子。

　　2. What’s the function of the underlined part“heat sinks”in Paragraph 2?

　　A. To give off heat.

　　B. To measure heat.

　　C. To turn up heat.

　　D. To supply heat.

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