Unit 2 Saving the earth. Topic 3 What can we do to protect the environment? 复习公开课课件（23张PPT）

课件23张PPT。Unit2 Topic3
第34讲 九年级上册 │ 基础过关protectionorganizationrecyclingagreementelectricityI. 词形变化1. protect (动词)—______________ (名词)
2. organize (动词)—______________ (名词)
3. recycle (动词)—_______________ (名词)
4. agree (动词)—_______________ (名词)
5. electric (形容词)—_______________ (名词)
6. battery —_______________ (复数)
7. act (动词)—________ (名词)—_________ (形容词) actionactive batteries│ 基础过关weighhistorydifferentplanter8. weight (名词)—______________ (动词)
9. historical (形容词)—_____________ (名词)
10. difference (名词)—_______________ (形容词)
11. plant (动词)—_______________ (名词)
12. German (名词)—_______________ (形容词；名词)
13. nod —_______________ (过去式)
14. shake —________ (过去式)—_________ (过去分词) Germanyshook shaken noddedI. 词形变化│ 基础过关work for…spread the message about…both sides of …plastic bagsencourage sb. to do sth. 1. 为……工作________________________________________________
2. 宣传有关…… ______________________________________________
3. ……的两面_________________________________________________
4. 塑料袋_____________________________________________________
5. 鼓励某人去做某事___________________________________________
6. 软饮料罐___________________________________________________
7. 赶快_______________________________________________________
8. 放弃做某事_________________________________________________
9. 关掉_______________________________________________________Ⅱ. 重点词组soft drink canshurry upgive up doing sth.turn/shut off│ 基础过关instead of… 10.（是） ……而不是……_____________________________________
11. 带一个布袋_______________________________________________
12. 呼救_____________________________________________________
13. 毕竟；终归_______________________________________________
14. 全世界___________________________________________________
快餐_____________________________________________________
在不久的将来_____________________________________________
17. 达到……的最高时速_______________________________________
18. 用完；耗尽_______________________________________________take a cloth bagcry for helpafter allall over the worldin the near future reach a top speed of… run out fast foodⅡ. 重点词组│ 基础过关face many difficultiesdifferent types/kinds of treeseven though/ even iftake a shower in people’s everyday/daily life Ⅱ. 重点词组use sth. to do/ for dong sth.be used for doing sth 19. 用某物做某事______________________________________________
20. 被用做某事________________________________________________
21. 面临许多困难______________________________________________
22. 不同种类的树______________________________________________
23. 即使；尽管________________________________________________
24. 淋浴______________________________________________________
25. 捡起垃圾__________________________________________________
26.在人们的日常生活中_________________________________________
27. 短途旅行(两种表达方法) _____________________________________have a short journey/travel a short distancepick the litter up/pick up the litter│ 基础过关III. 考点解析1. We all know that you’re working for an organization that protects the environment. 意思是“我们都知道你在为一个环保组织工作。”
work for… 意为“为……工作”
e.g. He ________________________ in Shanghai.
他在上海为一家外资公司工作。 works for a foreign company│ 基础过关III. 考点解析2. We should use both sides of paper, and reuse plastic bags.
意思是“我们应该把纸的两面都使用，并重复使用塑料袋。”
both 修饰复数名词；而 either 修饰单数名词。
e.g. There are a lot of trees on ___________________. 在路的两边有许多树。
= There are a lot of trees on ___________________. both sides of the road either side of the road│ 基础过关ought toshouldoughtn’t to III. 考点解析3. First, you ought to shut off the electricity when you leave a room.
意思是“首先，当你离开房间的时候，应该随手关灯。”
⑴ ought to 是情态动词，表示“应该；应当”，语气比 should 强，指道义上应该做的事，有时含有责备或督促的语气。should 指主观上感到有责任或义务去做。
e.g. ① You _________ help your mother do some housework.
你应该帮你妈妈做些家务。
② We ________ study hard. 我们应该努力学习。
其否定形式：“ought not to / oughtn’t to+ 动词原形”。
e.g. ③ You ___________ get up so late in the morning.
你早晨不应该起这么晚。│ 基础过关III. 考点解析⑵【辨析】shut off, shut down/turn on ,turn off/turn up,turn down/ open ,close
①shut off意为“切断，中断(供水、供气、供电)”。
②shut down意为“停产，停工，关闭(公司、 工厂) ”。
③turn off/on —般指关闭/打开电器(自来水、电灯、收音机)、仪器等。
④turn up,turn down一般把音量调高，调低。
⑤open ,close意为打开，关闭（门、窗、盒子等）。
( ) It’s too noisy. Please help me ______ the radio.
A. shut off B. shut down C. turn off│ 基础过关V. 语法梳理并列句
并列句是由并列连词把两个或两个以上的简单句连在一起构成的句子，
连词前可用逗号，也可不用逗号。
1. 表示并列关系，常用and。
e.g. His father is a teacher and his mother is a nurse.
他的父亲是一位老师，母亲是一位护士。│ 基础过关V. 语法梳理2. 表示转折关系，为了更强调前后两句的对比关系，常用but, while，意为“而”, 用or表示“否则”。
e.g. I bought my sister a present, but she didn’t like it.
我给妹妹买了一件礼物，但她不喜欢。
Tom does housework every day while his sister does nothing.
汤姆每天做家务，而他妹妹却什么也不做。
Hurry up, or you’ll be late. 快点，否则你会迟到。
3. 表示因果关系，常用so。
e.g. Her mother is ill, so she has to stay at home and look after her.
她母亲生病了，所以她不得不待在家里照顾她。│ 基础过关andbutorso当 堂 训 练用and, but, or或so填空。
⑴He is old, ______he looks very young.
⑵She didn’t work hard, ____she failed in examination.
⑶Hurry up, _____ you’ll catch the bus.
⑷Hurry up, ____ you’ll miss the bus.
(5)Terry Fox is a Canadian athlete.In 1980,he lost one leg,__he ran across Canada to raise money for sick people.│ 基础过关|看图写话|The smoke (from the factory) is harmful to our health _____________________________________________.smoke, harmful, health│ 基础过关|看图写话|The tree was cut down (by the man) ______________________________.tree, cut│ 基础过关|看图写话|It’s not a good habit to spit everywhere ________________________________.not, habit, spit│ 基础过关|看图写话|Linda is watering the flowers while Jack is reading __________________________________________.whileLindaJack│ 基础过关|看图写话|It’s not allowed to speak here _____________________ ___.not, allow What can we do to protect the environment/ to be a greener person?Homework:
Write a passage!Beginning1. Environment is very important to us.It’s our duty to protect the environment.And what should we do to protect it / become a greener person?
2. As we all know, all kinds of pollution is becoming more and more serious.we have only one earth,the earth is crying for help.What should we do to protect it /become a greener person?Bodyin our daily life:at home,at school,in public…
should…shouldn’t
ought to….oughtn’t to
had better…had better not…
Ending1.If we can do these things, we are greener persons. Our planet will become more and more beautiful!
2.Let’ s do everything we can to protect the environment,we’ll have a better and cleaner planet in the future.That’s all for today.
Thank you!