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专家解题:2013年职称英语考试理工类A级完形填空历年真题及答案解析2

来源:北京赛车投注 发布时间:2014-08-28

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文章摘要:专家解题:2013年职称英语考试理工类A级完形填空历年真题及答案解析2,为毛本赛季所有奖项全部都是总决赛打完才揭晓?库里拿mvp的时候,第一轮就领了。一个当家球星好一场歇3,4场?这是能力问题,能扯到什么优点缺点我也是服。只能说,被推的是霍福德,试试被退的是詹姆斯,杜兰特,这样的,这个赛季就别想再出来打球了。NBA联盟很商业化的,会保护更大牌的球员,会考虑更大的商业价值,联盟肯定还是希望詹姆斯进总决赛的。,一个没有顶级后卫只能拿中产合同的三流中等有什么勇气在这儿叫嚣可以防住联盟唯一的全票MVP。当年高三毕业照背后明星很多同学都是错的,然后也漏掉了我的名字,我还真的不在乎。曼联青训出品,以前对阵我魔的时候各种神扑,扑的这帮前锋都蒙了。。

  考题类型:完形填空
  Better Solar Energy Systems: More Heat, More Light
  Solar photovoltaic thermal energy systems, or PVTs, generate both heat and electricity, but ______ (51) now they haven't been very good at the heat-generating part compared to a stand-alone solar thermal collector. That's because they operate at low temperatures to cool crystalline silicon solar cells, ______ (52) lets the silicon generate more electricity but isn't a very efficient way to gather heat.
  That's a problem of economics. Good solar hot-water systems can harvest much more energy than a solar-electric system at a substantially lower ______ (53). And it's also a space problem: photovoltaic cells can ______ (54) up all the space on the roof, leaving little room for thermal applications.
  In a pair of studies, Joshua Pearce, an associate professor of materials science and engineering, has devised a ______ (55) in the form of a better PVT made with a different kind of silicon. His research collaborators are Kunal Girotra from Thin Silicon in California and Michael Pathak and Stephen Harrison from Queen's University, Canada.
  Most solar panels are made with crystalline silicon, but you can also make solar cells out of amorphous silicon, commonly known______ (56) thin-film silicon. They don't create as much electricity, but they are lighter, flexible, and cheaper. And, because they ______ (57) much less silicon, they have a greener footprint. ______ (58), thin-film silicon solar cells are vulnerable to some bad-news physics in the form of the Staebler-Wronski effect.
  "That means that their efficiency drops when you______ (59) them to light-pretty much the worst possible effect for a solar cell," Pearce explains, which is one of the ______ (60) thin-film solar panels make up only a small fraction of the market.
  However, Pearce and his team found a ______ (61) to engineer around the Staebler-Wronski effect by incorporating thin-film silicon in a new ______ (62) of PVT. You don't have to cool down thin-film silicon to make it work. In fact, Pearce's group discovered that by heating it to solar-thermal operating temperatures, near the boiling ______ (63) of water, they could make thicker cells that largely  ______ (64) the Staebler-Wronski effect. When they applied the thin-film silicon directly to a solar thermal energy collector, they also found that by baking the cell once a day, they  ______ (65) the solar cell's electrical efficiency by over 10 percent.
  56. (    )
  A. for
  B. by
  C. as
  D. with
  专家解析:
  第一步:回归横线句子56,北京赛车投注:即:Most solar panels are made with crystalline silicon, but you can also make solar cells out of amorphous silicon, commonly known______ (56) thin-film silicon.
  第二步:对比分析四个选项,只有选项A和选项C能和横线前的单词known组成短语,known for是因为…而出名的意思,known as是作为…而出名的意思,对比可见,选项C填入此处符合原文意思,故正确答案为C选项。
  57. (    )
  A. retrieve
  B. merge
  C. exchange
  D. require
  专家解析:
  第一步:回归横线句子57,即:And, because they ______ (57) much less silicon, they have a greener footprint.句子的意思是:而且因为他们____更少的silicon,他们更环保。
  第二步:对比分析四个选项,A选项是挽回的意思,D选项是需要的意思,B选项是融合的意思,C选项是交换的意思;对比可见,选项D填入此处符合原文意思,故正确答案为D选项。
  58. (    )
  A. unfortunately
  B. certainly
  C. luckily
  D. immediately
  专家解析:
  第一步:回归横线句子58,即: ______ (58), thin-film silicon solar cells are vulnerable to some bad-news physics in the form of the Staebler-Wronski effect.句子的意思是:___,thin-film silicon solar cells已遭受一些不好的……。
  第二步:对比分析四个选项,B选项是必须的意思,C选项是幸运的意思,A选项是不幸的意思,D选项是立刻的意思;对比可见,选项A填入此处符合原文意思,故正确答案为A选项。
  59. (    )
  A. cover
  B. relate
  C. face
  D. expose
  专家解析:
  第一步:回归横线句子59,即:That means that their efficiency drops when you______ (59) them to light-pretty much the worst possible effect for a solar cell,句子的意思是:那就是说当你把他们___在光线下时,他们的效率下降了……
  第二步:对比分析四个选项,A选项是覆盖的意思,D选项是暴露的意思,B选项是相关的意思,D选项是面对的意思;对比可见,选项D填入此处符合原文意思,故正确答案为D选项。

  60. (    )
  A. restrictions
  B. advances
  C. reasons
  D. strengths
  专家解析:
  第一步:回归横线句子60,即:Pearce explains, which is one of the ______ (60) thin-film solar panels make up only a small fraction of the market.句子的意思是:Pearce解释说,这就是其中一个_____,thin-film solar panels占有了一小部分市场。
  第二步:对比分析四个选项,A选项是限制的意思,B选项是增长的意思,F选项是强项的意思,C选项是原因的意思;对比可见,选项C填入此处符合原文意思,故正确答案为C选项。

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