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1、检测题27. 阅读理解A Batteries are included, but the chargers not. The Nokia E-Cu concept phone doesnt need to plug in; it charges from any heat source. Designer Patrick Hyland says it can even work off the warmth of your pocket. The first time“it would take approximately seven hours to reach full charge, t
2、hen after that its continuously charging by keeping the phone in areas between 86 degrees and 104 degrees Fahrenheit. ”Thats one hot pocket.Hes put a thermo generator(热偶发电器)inside the phone that transforms heat into electric potential energy. To better conduct the heat to that little power plant in
3、your pocket, 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.Nokia doesnt have current plans to build the phone, so for now it remains a concept. But Hyland says hes open to anyone who wants to cooperate.F
4、or Americans this technology would certainly be convenient. It would also save a bit on energy bills and waste. “Annually, unwanted phone chargers produce 51, 000 tons of waste in addition to the greenhouse gases created by the production of the electricity needed to charge them, ”Hyland says. So a
5、charger-free phone is also a green phone. Though adapting our plug-in habits would help a group of people, most cell phone related energy use comes from leaving your charger plugged in all day unnecessarily.The real potential for charger-free cell phone technology is what it could enable places wher
6、e plugging in isnt 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
7、phone projects. Lets 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 doesnt have a battery or a charger.B. It is properly marketed and sells well.C. Its continuously charging from any area.D. It has a highly conductive copper cover.【解析】选D
8、。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. Whats the function of the underlined part“heat sinks”in Paragraph 2?A. To give off heat. B.
9、 To measure heat.C. To turn up heat. D. To supply heat.【解析】选A。推理判断题。画线部分后面“. . . like those normally used to keep electronics from overheating. ”作出了解释, 说明是用来散热的。3. From the last two paragraphs we can know that.A. Patrick is not ready to cooperate with othersB. power lines spread every corner of the
10、worldC. phone projects may help solve the energy crisisD. phones like the E-Cu have huge potential benefits【解析】选D。推理判断题。从后两段看出, 即使在没有电源的地方也可以使用这种手机, 结合“countless opportunities, aid and health advances”判断, 这种手机潜力无限、前景广阔。4. What is the best title of the text?A. Designer Patrick HylandB. Nokia Concept
11、Phone on SaleC. Charging Your Phone from PocketsD. Benefiting from Phone Technology【解析】选C。主旨大意题。全文介绍了这种没有电源也可以使用的手机。所以选C。B(2020天津模拟)I heard many parents complaining that their teenage children are rebelling(叛逆). I wish it were so. At your age you ought to be growing away from your parents. You shoul
12、d be learning to stand on your own feet. But take a good look at the present rebellion. It seems that teenagers are taking the same way of showing that they disagree with their parents. Instead of striking out boldly on their own, most of them are clutching(紧握)at one anothers hands for reassurance(安
13、慰).They claim they want to dress as they please. But they all wear the same clothes. Then set off in new directions in music. But somehow they all end up with listening to the same record together. Their reason for thinking or acting in thus-and-such a way is that many people are doing it. They have
14、 come out of their cocoon(茧)into a larger cocoon.It has become harder and harder for a teenager to stand up against the popularity wave and go his or her own way. Industry has firmly carved out a teenage market. These days every teenager can learn from the advertisements what a teenager should have
15、and be.And many of todays parents have come to award high marks for the popularity of their children. All this adds to a great barrier(障碍)for the teenager who wants to find his or her own path.But the barrier is worth climbing over. The path is worth following. You may want to listen to classical mu
16、sic instead of going to a party. You may want to collect rocks when everyone else is collecting records. You may have some thoughts that you dont care to share with your classmates at once, well, go to it. Find yourself. Popularity will come with the people who respect you for who you are. That is the only kind of popularity that really counts.【文章大意】本文鼓励青少年要有自己独立的思维, 不要依赖父母或随波逐流。5. In
