Unit 1 Science and scientists Learn about Language课件-2022-2023学年高中英语人教版（2019）选择性必修第二册

Unit 1 Science and Scientist Period 4: Predicative clauses 复习-判断题 1.Who will win the match is still unknown. 2.I want to know what he has told you. 3.The fact is that we have lost the game. 4.It is uncertain whether he can come to Jenny’s birthday party or not. 5.He has made it clear that he will not give in. 6.I would appreciate it if you could let me know in advance whether you will come or not. 7.That’s why we’ve given you the letter. 8.The old man’s suggestion is that we (should) save more money for the future. 主语从句 宾语从句 表语从句 主语从句 宾语从句 宾语从句 表语从句 表语从句 1.John Snow became frustrated because no one knew how to prevent or treat cholera. 2.Another theory was that cholera was caused by an infection from germs in food or water 3.That's what John Snow discovered when an outbreak of cholera hit London. 4.The exact places Snow marked on the map were where the deceased had lived. 5. That's why the woman die of cholera. 6.It seems as if it were the end of the world. (1)句1中became后接________作表语；句2-6中作表语的是________。 (2)句2中的连接词________ 在句中只起连接作用，无含义，不可省。 (3)句5和6中引导表从的连词有含义，分别为“_______”和“_______”。 预习检测 从句 frustrated that 为什么 好像 1.The truth was that the water had been infected by waste. 2.My concern is whether cholera is still a problem 3.The question is what we can do. 思考：句2可以用“if”来引导吗？that和what区别？ that、whether与 what引导的表语从句 总结 1.that ____ 意义，在表从中_____成分,起______作用，_____省略 2.whether起 _____ 作用，意为“_______”，在句中也不作成分 （注意：if ______引导表语从句)。 3.连接代词 what, which, who, whom, whose 除起 ______ 作用外，还可在从句中作 ______________，且各有词义。 无 不充当 连接 不能 连接 是否 不能 连接 主、宾、表、定 ^什么 【典例1】0.2min 1.My hometown is no longer ________ it used to be. 2.This is ________I should have done first of all. 3.What surprised me most was________ the thin girl should have won three gold medals. 4.All I know is ________ I read in the papers. 5.The amazing thing about the spring is________ the colder the temperature gets, the hotter the spring! 6.Thanks to their intervention干预, it turned out ________the problem was solv