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发表于 2016-7-24 10:18:11
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分页标题#e#
答案与解析
1.B 细节理解题。根据第二段第一句可知,通过研究动物是否在镜子中识别自己可以测试它们的自我意识。
2.D 推理判断题。根据第二段最后一句可知,作者提到猿和海豚是因为它们和人一样可以识别镜中自己的形象,是人们已知的有智力的动物;再根据第三段,一个亚洲象也通过了该测试,也加入到有智力的行列里,故选D项。
3.B 细节理解题。根据倒数第二段,三个大象中只有Happy通过了镜子测试,也就是说只有她能识别镜中自己的形象,因此这是她有别于其他大象的地方,故选B项。
(二)(2011·江苏高考)
According to the US government, wind farms off the Pacific coast could produce 900 gigawatts of electricity every year. Unfortunately, the water there is far too deep for even the tallest windmills (see picture) to touch bottom. An experiment under way off the coast of Norway, however, could help put them anywhere.
The project, called Hywind, is the world's first large??scale deepwater wind turbine (涡轮发电机). Although it uses a fairly standard 152??ton, 2.3??megawatt turbine, Hywind represents totally new technology. The turbine will be fixed 213 feet above the water on a floating spar ( see picture), a technology Hywind's creator, the Norwegian company StatoilHydro, has developed recently. The steel spar, which is filled with stones and goes 328 feet below the sea surface, will be tied to the ocean floor by three cables (缆索); these will keep the spar stable and prevent the turbine from moving up and down in the waves. Hywind's stability (稳定性) in the cold and rough sea would prove that even the deepest corners of the ocean are suitable for wind power. If all goes according to plan, the turbine will start producing electricity six miles off the coast of southwestern Norway as early as September.
To produce electricity on a large scale, a commercial wind farm will have to use bigger turbines than Hywind does, but it's difficult enough to balance such a large turbine so high on a floating spar in the middle of the ocean. To make that turbine heavier, the whole spar's centre of gravity must be moved much closer to the ocean's surface. To do that, the company plans to design a new kind of wind turbine, one whose gearbox (变速箱) sits at sea level rather than behind the blades (see picture).
Hywind is a test run, but the benefits for perfecting floating wind??farm technology could be extremely large. Out at sea, the wind is often stronger and steadier than close to shore, where all existing off??shore windmills are planted. Deep??sea farms are invisible from land, which helps overcome the windmill??as??eyesore objection. If the technology catches on, it will open up vast areas of the planet's surface to one of the best low??carbon power sources available.
1. The Hywind project uses totally new technology to ensure the stability of ________.
A. the cables which tie the spar to the ocean floor
B. the spar which is floating in deep??sea water
C. the blades driven by strong and steady sea wind
D. the stones filled in the spar below the sea surface
2. To balance a bigger turbine high on a floating spar, a new type of turbine is to be designed with its gearbox sitting
________.
A. on the sea floor
B. on the spar top
C. at sea level
D. behind the blades
3. Wide applications of deepwater wind power technology can
________.
A. solve the technical problems of deepwater windmills
B. make financial profits by producing more turbines
C. settle the arguments about environmental problems
D. explore low??carbon power resources available at sea
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