Unit3 SectionB重点知识讲解与总结2023-2024学年人教版八年级英语下册

Unit3 Could you please clean your room? SectionB 第4课时P21-P22 1. snack n. 点心，小吃，快餐（可数名词）junk food垃圾食品(不可数) 2. stress n.精神压力,心理负担(不可n)=pressure 作名词，还可意为“重音；重读” →adj. stressful紧张的,有压力的→adj. stressed 焦虑不安的 Kids these days already have ___________ __________ from school-如今,孩子们已经有来自学校的足够的压力。 1 these days,如今,现在,目前= nowadays I get on well with my classmates these days. ② too much stress太多的压力 ③under the stress在压力之下 3. waste ①n.浪费,垃圾,废物(不可数n) a waste of time/money 浪费时间/钱 I hate waste.我讨厌浪费 Housework is a waste of their time.家务活是浪费他们的时间 ②v浪费 waste time浪费时间waste food/water浪量食物/水 waste time/money on sth.在某物上浪费时间/金钱 waste time/money（in） doing sth.浪费时间/金钱做某事 People shouldn't waste food.人们不应该浪费食物。 ③ adj无用的,浪费的,荒废的 waste paper/water废纸/废费 We shouldn't throw waste paper around. 我们不应该乱扔废纸。 3. in order to = so as to为了（后面跟动词原形,表目的，可以放在句首,可放在句未） 否定形式：in order not to do sth. 为了照顾他的父母,鹿晗回到了中国。In order to look after his parents， Lu Han returned to China. She started at five in order not to be late. 为了不迟到,她5点钟就出发了。 in order that为了...... = so that 以至于......， 后面跟句子（in order that也表示目的，其后接从句，可以与 in order to 进行同义替换。） 她很早出发以便她能准时到达She set out early________ _________ ________ she could arrive on time.= She set out early________ ________ she could arrive on time. = She set out early ________ ________ ________ arrive on time. 5. provide v.提供.供应.(同义词offer提供) → provider (n)供应者 provide sth for sb= provide sb with sth为某人提供某物. offer sb sth =offer sth to sh.为某人主动提供某物 我们国家为学生提供免费教科书。Our country ________ students ________ free textbooks=Our country ________ free textbooks ________students. He has to ___________ food and clothes____________ his family. 他得养家糊口, 6. anyway adv而且,加之 这个太贵,而且颜色也不适合你 It's too expensive and anyway the color doesn't suit(适合） you. any way任何方法,任何方式 第5课时 SectionB P22 1. depend 依靠，信赖→ n. dependence依靠,信赖 → dependent (adj)依赖的,从属的,取决于... depend on = depend upon取决于，依靠,信赖 The society depends on different kinds of talents.社会依靠不同种类的人才