UNIT 4 Breaking boundaries（课件PPT）-【优化指导】2024-2025学年新教材高中英语选择性必修第二册（外研版2019）

UNIT 4　Breaking boundaries (单元主题语境：人与社会——打破边界) UNIT 4　Breaking boundaries 英语　选择性必修　第二册　（配外研版） 返回导航 UNIT 4　Breaking boundaries 英语　选择性必修　第二册　（配外研版） 返回导航 UNIT 4　Breaking boundaries 英语　选择性必修　第二册　（配外研版） 返回导航 UNIT 4　Breaking boundaries 英语　选择性必修　第二册　（配外研版） 返回导航 UNIT 4　Breaking boundaries 英语　选择性必修　第二册　（配外研版） 返回导航 UNIT 4　Breaking boundaries 英语　选择性必修　第二册　（配外研版） 返回导航 起初，斯诺在地 图上标出了所有死者曾 经居住过的确切地点 UNIT 4　Breaking boundaries 英语　选择性必修　第二册　（配外研版） 返回导航 UNIT 4　Breaking boundaries 英语　选择性必修　第二册　（配外研版） 返回导航 谢 谢 单元素养目标 文化、思维、学习 能力目标 能使学生思考产生边界问题的原因、打破边界的重要意义以及打破边界的措施，最终创造一个更加和谐、美好的世界；能够掌握it作形式主语的相关用法 单元素养目标 语言能力目标 核心单词 boundary，statistic，assist，tackle，vital，relieve，specialist，infectious，clinic，disinfect，outbreak，devotion，twin，ward，compensate，collaborate，realistic，minority，cast，mankind，joint，harmonious，mutual，rewarding，civil，civilian，division，liberty，dedicate，altogether，nobly，influential，communist 单元素养目标 语言能力目标 重点词块 take any chances，comrade in arms，put ...at risk，against all odds，step into one's shoes，in memory of，at a great cost，look to，die for，bring forth，dedicate to，be engaged in，in a larger sense，in vain 单元语法 it作形式主语 写作能力 写一篇演讲稿 单元话题导入 [品读话题短文] JOHN SNOW DEFEATS “KING CHOLERA①” Cholera used to be one of the most feared diseases in the world，until a British doctor，John Snow，showed how it could be overcome.This illness causes severe diarrhoea②，dehydration③，and even death.In the early 19th century，when an outbreak of cholera hit Europe， [背记话题词块] ①cholera n．霍乱 ②diarrhoea n．腹泻 ③dehydration n．脱水 单元话题导入 millions of people died from the disease.As a young doctor，John Snow became frustrated④ because no one knew how to prevent or treat cholera.In time，he rose to become a famous doctor，and even attended to Queen Victoria when she gave birth.However，he never lost his desire to destroy cholera once and for all⑤. ④frustrated adj.懊恼的；沮丧的；失意的 ⑤once and for all最终地；彻底地 ⑥contradictory adj.相互矛盾的；对立的；不一致的 ⑦subscribe to同意；赞同 单元话题导入 In general，doctors in those days had two contradictory⑥ theories to explain how cholera spread.One theory was that bad air caused the disease.The other was that cholera was caused by an infection from germs in food or water.Snow subscribed to⑦ the second [分析重难句式] Snow began by marking on a map the exact places where all those who died had lived. 分析：句中where 引导定语从句，先行词为places；who died 亦为定语从句，修饰先行词those。 单元话题导入 theory.It was correct，but he still needed proof.Consequently，when an outbreak of cholera hit London in 1854，Snow began to investigate.He discovered that in two particular streets the cholera outbreak was so severe that more than 500 people died in ten days.He was determined to find out why. 翻译：_______________ ___________________________________________。 单元话题导入 Snow began by marking on a map the exact places where all those who died had lived.There were multiple deaths near the water pump in Broad Street (especially house numbers 16，37，38，and 40).However，some households (such as 20 and 21 Broad Street，and 8 and 9 Cambridge Street) had had no deaths.These people worked in the pub at 7 Cambridge Street.They had been given free beer，and so had not drunk the water from the pump.Snow suspected that the water pump was to blame.What is more，in another part of London，a woman and her daughter had died of cholera after moving away from Broad Street ... (节选自人教版选择性必修第二册Unit 1) $$