《Unit1Ifeveryonestartstodosomething,theworldwillbesaved.课件》初中英语外研社版九年级上册57194.ppt

unit 1,module 12,look at the following pictures. what pollution is it?,rubbish pollution,air pollution,water pollution,noise pollution,light pollution,air pollution,water pollution,light pollution,noise pollution,rubbish pollution,our beautiful world,earth song by michael jackson,what should we do to save the planet?,turn off the lights when you leave the room.,turn off the shower while you are washing your hair.,stop riding in cars.,take your own bags when shopping.,stop using paper napkins.,free talk,what may cause pollution? why do many of the factories pollute the air and rivers? do you think plastic bottles can be recycled into clothing?,recycle plastic bottles into clothing,what can you see in picture 1? what about the second picture?,free talk,1,factory pollute recycle waste,listen and answer the questions.,where is the place in the second picture? what may be the relationship between the man and the children?,teacher and students.,in a recycling centre.,2,listen again and complete the sentences.,the factory is causing a lot of _. there should be some _ to stop the pollution. we can _ waste products, such as _ and paper in a recycling centre.,pollution,rules,recycle,glass,2,listen and answer the questions.,1. why is lingling worried about the future?,because of pollution.,2. who thinks up the idea of making a green school?,lingling.,3,3. what are the three problems that the friends talk about and the one solution?,the three problems are water pollution, air pollution and many cars on the roads. one solution is to make their school a green school.,complete the notes.,pollution problems,if the rivers are polluted, _ _. 2. in some places, pollution from factories _ _. 3. the cars on the roads _ _.,use the water for their crops,farmers cant,spreads over cities and villages. it makes people ill, and may even kill them,use so much oil,and cause pollution as well,3,what the students can do,4. support a green school: every class _ _ which can be _. then the school _ to help students _. 5. students learn _. that means _.,waste,collects,recycled or used again,sells the waste,in poor areas,ways to save energy,less waste,do you have any good ideas of being green in daily life?,free talk,7 ways to go green in life,账单,read and work out the meaning from the conversation.,everyday english, its no use such as ? nice idea!,是没有用的,比如说？,好主意！,choose one of the expressions in everyday english and make a conversation.,pair work,1.,a: could you tell me the right time, please? b: well, my watch says five past two, but its no use relying on it, because it has been gaining and losing these days. a: youll have to get it fixed. b: yes, i will.,2.,a: hi, kate! what places have you been to in china? b: oh, ive been to many places. a: such as ? b: do you know about xian? i went there last month.,3.,a: the vacation is coming. how about going traveling? b: nice idea! would you like to travel with the agency or by yourself?,read and guess where the speakers will link words.,after our lesson on the environment, im worried about the future. students at a green school also learn ways to save energy and recycle at home.,pronunciation and speaking,after our lesson on the environment, im worried about the future. students at a green school also learn ways to save energy and recycle at home.,listen and mark the words which the speaker links.,listen again and repeat.,after our lesson on the environment, im worried about the future. students at a green school also learn ways to save energy and recycle at home.,- we should stop the factories from polluting the river. - i agree. and we should stop them from polluting the air as well.,work in pairs. say what you should do with pollution problems.,for example:,1. if the rivers are polluted, ,pollute v. 污染；弄脏 we should not pollute our rivers with waste. 我们不应让废弃物污染我们的河川。 she thinks these books pollute the minds of children. 她认为这些书腐蚀儿童的心灵。,language points,pollution n. 污染；污染物 people are becoming increasingly worried about pollution. 人们对污染越来越感到忧虑。 the air pollution has become a big problem. 空气污染已成为大问题。,知识链接,to _ nature is to help ourselves, or we will be punished. (连云港2010) a. protect b. prevent c. provide d. pollute the local people had to move away because of the serious _. (pollute),a,pollution,2. they use so much oil and cause pollution as well.,oil n. 石油；油；油画颜料 the price of oil has gone up. 石油的价格已经上涨了。 drop the slices into the oil and fry until golden brown. 将切片倒进油里，煎至金棕色。 he is good at painting in oils. 他擅长画油画。,animal oil 动物油 coal oil 煤油 cooking oil 烹调用的油 corn oil 玉米油 salad oil 色拉油 vegetable oil 植物油, 菜油 pour oil on (the) flame(s) 火上浇油 burn the midnight oil开夜车； 工作到深更半夜,知识链接,cause v. 引起；导致；使发生 what caused his death? 他的死因是什么? im afraid i am causing you much trouble. 我担心我给你增添麻烦。, what can we do to _ bird flu from spreading? try not to buy or eat chickens that have not been checked. (2013 泉州) a. prevent b. cause c. discover many accidents _ by careless drivers last year. (2011北京) a. are caused b. were caused c. have caused d. will cause,a,b,3. its no use talking about things we cant do.,its no use doing sth.是固定句型，意思是“做某事没用 / 只是白费力气” 。在这个句型中，动词-ing形式是主语，it 是形式主语。 it is no use crying over spilt milk. 覆水难收。（谚语） it is no use talking without doing. 光说不做是没有用的。,eugenes never willing to change any of his opinions. its no use _ with him. a. to argue b. arguing c. argued d. having argued 给他提建议没有用, 他不会听你的。（its no use doing sth.）,b,its no use giving advice to him. he wont follow your suggestion.,这种动词-ing作主语、it 作形式主语的句型还有： it is no good doing sth. 做某事不好 / 没用 / 不行 its a waste of time / money doing sth. 做某事是白费时间 / 金钱 its fun doing sth. 做某事很有趣,知识链接,it is no good talking to him because he never listens. 跟他讲没用，因为他从来不听。 its a waste of time trying to talk to her when shes in this mood. 在她目前的心情下，找她谈是白费时间。 its great fun playing golf. 打高尔夫球很有意思。,4. such as .?,such as 例如；诸如 in this paragraph there are many nouns, such as boy, girl, and book. 这一段里面有很多名词，例如男孩、女孩和书本。 i know many of them, such as john, peter, and tom. 我认识他们当中的很多人，例如约翰、彼得和汤姆。,such as 和 for example 的用法与区分 1) such as一般用来列举同类人或物中的几个例子，插在被列举的例子和前面的名词之间，as后没有逗号。在使用such as时应注意后面列举事物的数量不能等于前面所提事物的总和; 2) for example一般只举同类人或物中的一个为例, 作插入语, 可置于句首、句中或句末。 for example, air is invisible. 例如，空气是看不见的。 he, for example, is a good student. 例如，他就是个好学生。,知识链接,5. , every class collects waste which can be recycled or used again.,waste 在这里是做名词，意思是“废料；废弃物” put all the waste in this bag. 把所有垃圾放进这只袋子里。 a lot of poisonous waste from the chemical works goes into the river. 化工厂把许多有毒废水排入河中。 注意：表示不同种类的废弃物时， waste可用复数形式,waste (n.) - “废物”。普通用词，概念广泛，指任何被丢弃的东西。 rubbish (n.) - “垃圾，废物”。普通用词，指任何成堆的、破损的、用过的或无用的东西，尤指弃掉的垃圾堆。也可作引申用。指愚蠢无用的话语和思想。,waste & rubbish,知识链接,industrial waste must be prevented from polluting our rivers. 必须阻止工业废物污染河流。 the rubbish must be thrown away. 这些垃圾必须扔掉。 he is talking rubbish. 他在说废话。,waste v. 浪费；滥用 in order not to waste electricity, turn off all the lights when you go out. 为了不浪费电,出门时把所有的灯关掉。 i dont like to waste your time. 我不愿浪费你的时间。,知识链接,recycle v. 回收利用；再使用 we should try to recycle all our waste paper. 我们应该把所有废纸回收再利用。 glass can be recycled from old bottles. 利用旧瓶子可以再生玻璃。 one thing you cant recycle is wasted time. 唯一无法回收利用的是你浪费掉的时间。,(2012浙江丽水) today people are encouraged to _ paper, plastic and water for a better environment. a. use b. waste c. recycle d. make,c,前缀re-的意思是“重新；再次”， cycle的意思是“循环”，那么recycle的意思就是“再循环、回收利用”,现在，轮到你来猜啦！下面这些单词是什么意思： rewrite, retell, rebuild, regain, reuse,6. that means less waste.,less adj. 较小的；较少的 it would be good to have less pollution. 如果污染更少的话就好了。 the doctor advises me to eat less meat. 医生劝我少吃肉。 注意： less是little的比较级, 修饰不可数名词,(2009黄冈中考) thanks to the policy, the government is sending home-electric machines to farmers, they can pay much _ (少的) money.,less,(2008咸宁中考) -if there are _ people driving, there will be _ air pollution. -yes, the air will be fresher. a. less; less b. less; fewer c. fewer; fewer d. fewer; less 解析：less 是litter 的比较级，fewer 是few 的比较级。由“空气将更清新” 可知首句意为“如果有更少的人驾车，将会有更小的污染”。people 是可数名词， air pollution 是不可数名词，故选d。,d,(2007广东中考) the doctor told mary to eat _ vegetables and _ meat because she was getting fatter and fatter. a. much; little b. more; less c. many; few d. more; fewer 解析: more 是形容词much 或many 的比较级，less 是little 的比较级，fewer 是few 的比较级。根据句意“医生告诉玛丽吃更多的蔬菜、更少的肉，因为她正变得越来越胖”可排除a、c 选项；另因为meat 是不可数名词，要用less 修饰