Unit 4 Natural Disasters 词汇课件-2023-2024学年高中英语人教版（2019）必修第一册

Unit 4 Natural Disasters Period 3 —Language Focus 01 02 03 Learn about the usages of new words, chunks and sentence patterns Observe and summarize the features of descriptive language Reconstruct the text (why, what, how). Learning goals: Rack your brain and list some disasters? earthquake tornado wildfire drought landslide tsunami flood typhoon volcanic eruption “灾难” Disaster tragedy Catastrophe 1.disaster n. 灾难，灾害 environmental disasters a natural disaster disaster area disaster recovery a disaster film / movie 熟词生义 1.Losing your job doesn’t have to be such a disaster . 2.As a father , he’s a disaster ． 环境灾害 自然灾害 灾区 灾后恢复 灾难片 disaster 还可以表示“不幸；祸患；彻底失败的人（或事）”。 It seemed as if the world were coming to an end! 2.as if 意为： 似乎；好像 1.Listen to the thunder! It seemed as if it is going to rain. 2.He opened his mouth as if he would say something. 表语从句 方式状语从句 1.He talks as if he knew everything about it. 2.He went on working as if nothing had happened. 3.It seems as if the meeting would never end. 如果从句所表示的情况没有依据，只是表示一种假设、愿望、怀疑或推测，那么就用虚拟语气。 虚拟情况 从句谓语 as if/as though 引导的从句 与将来事实相反 与过去事实相反 与现在事实相反 一般过去时 （be动词一般用were） 过去完成时 would/might/could+动词原形 p113 3.deadly [ˈdedli] =fatal 教材原句：... ..., one of the most deadly earthquakes of the 20th century had begun,..... (1) adj. 致命的，致死的，极度的，彻底的 We sat in deadly silence. My mother’s face turned deadly pale after she heard the bad news. (2)adv. 死一般地；极其；非常 归纳拓展： （1）die v. 死；消失，死亡（不能与表示时间段的状语连用） （2）death n. 死，死亡 （3）dead adj. 死的；失去生命的（可与表示时间段的状语连用） the dead n. [pl.] 死者 （4）dying adj. 垂死的；临终的 p103 4.damage 【ˈdæmɪdʒ】v.&n. 教材原句... ... a quake that even caused damage more than 150 kilometres away in Beijing. (1) n. 损坏；损失 Smoking can do damage to our health. Smoking can damage our health. （2）vt. 损害；破坏 短语积累： be seriously/badly damaged 遭受严重损害 be slightly damaged 轻微受损 p102 教材原句 In less than one min