Unit 1 Science and Scientists(课件PPT)-【优化指导】2025-2026学年高中英语选择性必修第二册（人教版2019）

UNIT 1　SCIENCE AND SCIENTISTS (单元主题语境：人与社会——科学与科学家) UNIT 1　SCIENCE AND SCIENTISTS 高中英语　选择性必修　第二册　R 返回导航 UNIT 1　SCIENCE AND SCIENTISTS 高中英语　选择性必修　第二册　R 返回导航 单元素养目标 语言能力目标 核心单词 severe，contradictory，infection，subscribe，proof，multiple，household，suspect，blame，handle，intervention，link，raw，pure，substantial，decrease，statistic，transform，microscope，thinking，protein，cell，virus，finding，initial，framework，solid，cast，shadow，rainbow，pour，concrete，mechanic，defend，assistant，missile，leadership，outstanding，gifted，abstract，concept，astronomer，brilliant，fault，shift，vivid UNIT 1　SCIENCE AND SCIENTISTS 高中英语　选择性必修　第二册　R 返回导航 单元素养目标 语言能力目标 重点词块 once and for all，subscribe to，water pump，thanks to，theoretical framework，break out，in charge of，come down with，above all 单元语法 表语从句 写作能力 写一篇关于科学精神的文章 UNIT 1　SCIENCE AND SCIENTISTS 高中英语　选择性必修　第二册　R 返回导航 单元话题导入 [品读话题短文] In 1928，another important finding was made by biologist① Alexander Fleming.Before he went on holiday，Fleming left a dish of bacteria② in his laboratory.When he came back，he noticed something strange.He double-checked③ and saw a blue mould④ in the dish around which the bacteria had been destroyed. [背记话题词块] ①biologist n．生物学家 ②a dish of bacteria细菌培养皿 ③double-check v．复核；仔细检查 ④a blue mould一种蓝色的霉菌 UNIT 1　SCIENCE AND SCIENTISTS 高中英语　选择性必修　第二册　R 返回导航 单元话题导入 This blue mould was in fact the natural form of penicillin⑤，which Fleming perceived⑥ could be used to kill bacteria.A few years later，penicillin was being mass-produced and helping to save the lives of millions.Fleming remained humble about the amazing outcome of his discovery.“Nature made penicillin，” he said，“I just found it.” ⑤the natural form of penicillin青霉素的自然形态 ⑥perceive vt.察觉，注意到，发觉 ⑦a joint effort共同努力 ⑧nothing like一点儿也不像 ⑨go out 出去；(火或灯光)熄灭；(新闻或消息)发布 UNIT 1　SCIENCE AND SCIENTISTS 高中英语　选择性必修　第二册　R 返回导航 单元话题导入 During World War Ⅱ，when Fleming's discovery was first helping to cure people，the US Navy was looking for ways of improving the accuracy of their missiles.The navy turned to Eckert，an engineer，and Mauchly，a physicist，to deal with the problem and produce a machine to do the job in a joint effort⑦.Although they only finished after the war in 1946， [分析重难句式] With 18，000 tubes，thousands of circuits and 6，000 switches，it used so much energy that when it was turned on，the lights in the local town went out! UNIT 1　SCIENCE AND SCIENTISTS 高中英语　选择性必修　第二册　R 返回导航 单元话题导入 it did not matter.This huge machine was the world's first computer，but it was nothing like⑧ our computers today.It measured 100 feet long by over 10 feet high and weighed over 30，000 kilograms. [分析重难句式] 分析：主句用了“so ...that ...”句型，引导结果状语从句，其中包含when引导的时间状语从句。 UNIT 1　SCIENCE AND SCIENTISTS 高中英语　选择性必修　第二册　R 返回导航 单元话题导入 With 18，000 tubes，thousands of circuits and 6，000 switches，it used so much energy that when it was turned on，the lights in the local town went out⑨！ (节选自北师大版选择性必 修第四册Unit 12) [分析重难句式] 翻译：___________________________________________________________________________________________________________________________ 它有18 000个显像管，数千条电路和6 000个开关，耗电量特别大，以至于当它启动的时候，当地镇上的灯都熄灭了！ UNIT 1　SCIENCE AND SCIENTISTS 高中英语　选择性必修　第二册　R 返回导航 谢 谢 To raise new questions，new possibilities，to regard old problems from a new angle，requires creative imagination and marks real advance in science. —Albert Einstein & Leopold Infeld 提出新的问题、新的可能性，从新的角度看待老问题，需要创造性的想象力，标志着科学的真正进步。 ——阿尔伯特·爱因斯坦和利奥波德·英费尔德 单元素养目标 文化、思维、学习能力目标 了解中外科学家的重要贡献及其性格特点和高尚品格，深入理解科学精神的内涵；深化对科学及科学研究本质的认识，学会批判性地思考；能够在阅读中主动发问，探究答案，从而深化对文章主题和内涵的理解，并在实践中体会该阅读策略的作用 $$