Unit 1 Science and Scientists Reading and Thinking 知识点课件-2023-2024学年高中英语人教版（2019）选择性必修第二册

Unit 1 Science and Scientists Reading and Thinking John Snow Defeats “King Cholera” Language Points 1. As a young doctor, John Snow became frustrated because no one knew how to prevent or treat Cholera. 作为一位年轻医生，约翰斯诺变得沮丧，因为没有人知道如何预防或治疗霍乱。 2. In general, doctors in those days had two contradictory theories to explain how cholera spread. 总的来说，当时的医生对霍乱的传播有两种相互矛盾的解释。 contradictory adj. 互相矛盾的；互相对立的 be contradictory to… 与……矛盾、相反 e.g. His remark was contradictory to the truth. 他的叙述与事实矛盾。 【拓展】 contradict v. 反驳; 与……相矛盾 contradiction n. 抵触; 矛盾; 矛盾的说法 3. One theory was that bad air caused the disease. 有一种理论认为是恶劣的空气导致了这种疾病。 本句中that bad air caused the disease是that引导的表语从句, that在从句中不作成分, 没有意义, 只起连接作用。 翻译： 我曾经梦想能在那个城市有个三居室(three-bedroom)的房子。 My dream was that I could have a three-bedroom house in that city. 【思考】请找出课文中的表语从句。 4. Snow subscribed to the second theory. subscribe v. 认购(股份)；定期订购； 定期缴纳(会费) ; 定期捐款赞助 【拓展】 subscribe to 同意, 赞成 Each employee may subscribe for up to￡2,000 worth of shares. You can subscribe to the magazine for as little as $32 a year. She subscribes to an environmental action group. 每名员工可认购价值最高达2,000股的股票。 你可以以每年32美元的价格订阅这本杂志。 她加入了一个环保行动组织。 斯诺同意第二种理论。 翻译： This illness causes severe diarrhea, dehydration, and even death.这种疾病会导致严重的腹泻、脱水，甚至死亡。 5. He discovered that in two particular streets the cholera outbreak was so severe that more than 500 people died in ten days. 他发现，在两条特定的街道上，霍乱爆发非常严重，10天内就有500多人死亡。 本句是复合句, 其中discovered后跟that引导的宾语从句。在宾语从句中, 含有so…that….引导的结果状语从句。 【语境应用】完成句子。 1) 他对子女很严格。He ________________ his children. 2)你对那个男孩太严厉了。You are too _____________ the boy. 3) 我感到胸口剧烈疼痛_____________________ 4)他们受到了严惩。 ________________________________ is severe with severe on (upon) I felt a severe pain in the chest. 【归纳】 be severe on/with 对……严厉 be severe with oneself 严于律己 severe adj. 1. 极为恶劣的; 十分严重的2. 严厉的; 重的 3.严厉的; 苛刻的 They were severely punishe