Unit13重点知识2022-2023学年人教版九年级英语全册.docx

1、 九年级Unit 13重点知识一 词形词块拓展 fish n.鱼，鱼肉fish/fishes（pl.）(作“鱼肉”不可数；作“鱼”可数)fisherman n.渔民；钓鱼的人 advantage n.advantages（pl.）优点；有利条件 disadvantage 不利因素；障碍 the advantages/ disadvantages of. .的优点/缺点wood n. 木，木头wooden adj. 木制的；木头的 industry n. 工业；行业industrial adj. 工业的 science n. 科学 scientist n. 科学家 scientific adj.

2、 科学上的；科学的 scientific study 科学研究 law n. 法律；法规lawyer n. 律师 thirst n. 口渴；渴望 thirsty adj. 口渴的；渴望的 be thirsty for 渴望；可求 afford v. 承担得起(后果)；买得起 affordable adj. 负担得起的 afford to do sth. 负担得起做某事 recycle v. 回收利用；再利用recyclable adj. 可回收再利用的二 重点短语the bottom of the river 河底 relate to 涉及；有关throw litter into the ri

3、ver 往河里扔垃圾 too much rubbish and waste 太多的垃圾和浪费物land/air/noise/ water/ waste pollution 土地/空气/噪音/水/垃圾污染cut down air pollution 减少空气污染 other advantages 其他的优势takeaway food 外卖食品 reusable bags 环保袋子keep public places clean and beautiful 保持公共场所干净美观make a difference 影响；有作用 hear of 听说lead to 带来；导致 set up a web

4、site 创建一个网站a bowl of shark fin soup一碗鱼翅羹 bring back to life 带回到生活中be harmful to 对.有害 at the top of. 在.顶部或顶端the food chain 食物链 environmental protection group 环境保护组织develop laws 立法 too strong to be endangered 太强了以至于不会有危险scientific studies 科学研究 cant afford to do sth. 承受不起做某事take part in 参加 begin with.

5、以.开始save electricity 省电 turn off 关掉pay for 付费；付出代价 take action 采取行动add up 加起来 use public transportation 使用公共交通工具paper napkins 餐巾纸 throw away 扔掉；抛弃put sth. to good use 好好利用某物 build.out of.用.建造.pull.down 拆下，摧毁 upside down 上下颠倒；倒转bring back 恢复；使想起；归还 be known for doing sth. 因做某事而闻名play a part in doing

6、sth. 在做某事方面起作用；参与做某事use.to do sth. 用.做某事三. 知识点affordaffordsaffordedaffordedaffordv.买得起；能做afford + n./pron./to do sth.常与can(could),cant ( couldnt ) 等连用1. I _ afford the new suit, so I decide to buy a similar one in the secondhand market.（盲填）2. Miss Taylor never wastes money on anything too expensive

7、or anything unnecessary, even though she can afford _（buy） it.四写作 谈论环境问题并提出建议 写作任务：某英文报纸上有一个“市长信箱” 栏目，假如你是李华，最近你发现你市存在一些环境问题。请你给市长先生写一封信，简要分析造成这些问题的原因并提出你自己的建议。审清题目内容：存在的环境问题、造成的原因以及建议 文体：书信，信的主题部分为说明文 人称：以第一人称和第三人称为主 时态：以一般现在时为主 Dear Mr. Mayor, Im a student in No.38 Middle School. Ive lived in this

8、 city for 14 years. I like this city, but there are some environmental problems here, so Id like to talk with you.自我介绍及写信目的 I hope the environment here gets better and better. Yours sincerely Li Hua表达希望 First, there is white pollution everywhere in the city. People use too many disposable（一次性) thing

9、s, such as plastic cups, bottles, bags and lunch boxes. People throw them away after only using them once. I think the government should make laws to limit the use of them so that people will use their own cups, lunch boxes and chopsticks instead of disposable ones. Second, it has been hazy（雾蒙蒙） in

10、winter in recent years. Thats partly(在一定程度上) because there are more and more cars on the road and they give off too much waste gas. I think the government should encourage more people to use new energy vehicles and take buses and use shared bikes so that public transportation will be made good use of.列举环境问题给市长的一封信