单词：nitrous oxide-oxygen anesthesia
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Well, that's limelight. What exactly was it? Well it was the burning of calcium oxide in a very intense flame. And when did the job of a limelighter begin? Oh, famously, the first recorded instance in
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研究报告：人类少吃肉对环境有好处 A new study says one of the best ways to curb greenhouse gas emissions is to eat less meat. In fact, the study says meat consumption in the developed should be cut by 50 percent per person by 2050. 一份
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1. What is the man's initial reason for visiting the dentist? A. He wanted to have a filling replaced. B. He needed to have a tooth pulled. C. He came in for a dental check up. 2. What problem does the dentist discover when he takes a look in the pat
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One main goal in the renewable energy field is to find an efficient, inexpensive way to split water into hydrogen and oxygen. The hydrogen could then be used as a fuel source for vehicles or fuel cells. Typically, an electric current breaks the water
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Addressing Climate Change through Diet A new study says one of the best ways to curb greenhouse gas emissions is to eat less meat. In fact, the study says meat consumption in the developed should be cut by 50 percent per person by 2050. Meat producti
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托福听力中细节题目庞杂，转折、对比、问答、强调、解释等等，整个听力过程中都需要高度戒备，以防掉入ETS挖的陷阱中去。本文就且集中探讨一下细节题中常见的一类：举例细节题。 首先
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