单词：direct-heated cathode
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This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Batteries of the future need to deliver more energy, and they need to be smaller. Researchers at MIT think they have developed a technology that can, a
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模块（1） In recent years , xx has caused a heated debate on ( 1 ). The factors for ( 2 ) .First of all ,( 3 ).Then , there comes a case that ( 4 ). Moreover , ( 5 ) . Especially when ( 6 ) . Indeed, these unique points can be collected theo remi
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饶舌:Tech N9NE - Check Yo Temperature 相关介绍 ：2008年9月是Tech N9NE事业的一个里程碑，他的双CD专辑《Killer》突破100万张的销售记录。2009年4月7日，Rock The Bells 2009 Festival邀请他来做演出，今年10月的
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1.结构不平行 例：I was able to raise my TOEFL score by studying hard and I read lots of books. 当使用连词将一系列的单词联接起来的时候，应当使用词性相同或同一类型的短语。 2.不知所云 例：Many companies
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