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高中英语 Unit 20 New Frontiers Section Ⅲ Lesson 2 Lesson 3—Pre-reading学案(含解析)北师大版选修7-北师大版高二选修7英语学案

高中英语 Unit 20 New Frontiers Section Ⅲ Lesson 2 Lesson 3—Pre-reading学案(含解析)北师大版选修7-北师大版高二选修7英语学案_第1页
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高中英语 Unit 20 New Frontiers Section Ⅲ Lesson 2 Lesson 3—Pre-reading学案(含解析)北师大版选修7-北师大版高二选修7英语学案_第2页
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高中英语 Unit 20 New Frontiers Section Ⅲ Lesson 2 Lesson 3—Pre-reading学案(含解析)北师大版选修7-北师大版高二选修7英语学案_第3页
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Section Ⅲ Lesson 2 & Lesson 3—Prereading[原文呈现]PIONEERS OF SCIENCEIf you had to choose the single most important discovery of the 20th century, you would have a real dilemma① on your hands. In just 100 years, the world changed completely. Amazing discoveries were made② in medicine, communications③ and transport, not to mention④ our knowledge⑤ of the world and space. Medical advances ranged⑥ from discovering the causes of diseases under microscopes⑦ to surgical procedures⑧ replacing diseased organs with donated⑨ ones. Communications changed with the introduction of mobile phones and the way we correspond⑩ went from writing letters to emailing. We started flying around the world and meanwhile⑪ , scientists figured out⑫ how to split⑬ the atom, previously thought to be the smallest particle of matter in the universe ⑭ .Although it is impossible to choose the most important discovery, it is possible to single out⑮ a few pioneers of the 20th century. Here are five of them.[读文清障]①dilemma/dI'lem /ə n.困境,进退两难的窘境 in a dilemma 处于进退两难的境地②make a discovery 发现③communication n.通讯④not to mention 更不用说⑤knowledge n.知识,学问⑥range vi.(在一定范围内)变动,变化 range from ... to ...从……到……不等⑦microscope/'maIkr skp/əəʊn.显微镜⑧procedure/pr 'si d/əː ʒə n.步骤;程序⑨organ/'ɡ n/ɔː ən.器官donate/d'neIt/əʊvt.捐赠;赠送replacing diseased organs with donated ones 是 现 在 分 词 短 语 作 定 语 , 修 饰surgical procedures。⑩correspond/ k rI'sp nd/ˌ ɒɒvi.通信;符合⑪meanwhile/'mi nwaIl/ːadv.同时(=meantime)⑫figure out 弄清楚,弄懂⑬split/splIt/vi.分开,分离⑭ 过去分词短语作定语,修饰 the atom。⑮single out 挑选出,选拔出(~for/as)科学发展的先驱者[第 1~2 段译文]如果要选择 20 世纪最重要的一个发现...

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高中英语 Unit 20 New Frontiers Section Ⅲ Lesson 2 Lesson 3—Pre-reading学案(含解析)北师大版选修7-北师大版高二选修7英语学案

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