外研九上Module6Unit2Rememberthreesreducereuseandrecycle導(dǎo)學(xué)案

1、Module 6 Save our worldUnit 2 Remember three words: reduce, reuse and recycle課型：讀寫(xiě)課【學(xué)習(xí)目標(biāo)】1.掌握詞匯 waste、energy、pollution、recycle、reusable、reduce、reuse、repair、environmental、hopeless、necessary、plastic、sort、harm、material詞組句型 instead of、do harm to、make a difference 

2、to、Its+adj.+to do 、stop from能夠使用本單元的新詞匯；2.能夠通過(guò)閱讀，從生活細(xì)節(jié)中采取措施來(lái)保護(hù)環(huán)境，保護(hù)地球，進(jìn)而培養(yǎng)學(xué)生的憂(yōu)患意識(shí)和主人翁意識(shí)。3.能根據(jù)關(guān)鍵詞復(fù)述課文，并發(fā)表自己的看法?！菊n前準(zhǔn)備】1、課前朗讀本模塊的詞匯（學(xué)生自己朗讀、領(lǐng)讀或齊讀）2、四人一組口頭檢查詞匯拼寫(xiě)情況?！緦W(xué)習(xí)過(guò)程】1、 復(fù)習(xí)Unit 1. 2、 背景知識(shí)。Saving Our Natural ResourcesThe problemIn 1991 the worlds population was 5.4 billion people and growing expon

3、entially at a rate of 1.8%. This meant that in 1992 there were another 97 million people to feed, house and clothe. Even then one out of every five people went hungry and didnt have drinking water. More and more our resources are being tapped to the point of exhaustion. Non-renewable resources such

4、as minerals, metals and fossil fuels must be conserved. Perpetually renewable resources such as flowing water as well as solar and wind energy must be used and potentially renewable resources such as our air, water, soil and animal and plant life must be cared for. Our air:The 1990 Federal Air Toxic

5、s Inventory ranked Passaic County as 6th in the State of New Jersey for toxic emissions. 52% of those toxins were found to come from manageable sources. Of these, 38% were from mobile sources (with cars and trucks making up 29%) and 9% from non-road vehicles such as lawnmowers and boats. Another 32%

6、 were from solvents such as those used in degreasers, pesticides and cleaners.Our water:The earth has a huge amount of water, yet only about 1% is fresh and usable. In 1988, the New Jersey Department of Environmental Protection (NJDEP) found that 71% of our monitored streams and rivers were too poll

7、uted from bacteria to allow swimming. They also found that 28% of our coastal waters had to be closed to shellfish harvesting.Our soil: According the NJDEP, as of 1992, only 2% of New Jersey residents participated in hazardous waste collection events, so the chances of toxins from used motor oil, pe

8、sticides, cleaners and solvents are being dumped onto the ground and eventually polluting our ground water is very high.3、多層閱讀。a 快速默讀文章，回答下面的問(wèn)題：Do you open a window instead of turning on air conditioning?Do you buy things produced local instead of made aboard?Do you take your own cloth bag when shop

9、ping instead of using plastic bags?Do you sort the waste before throwing it away?b.再次閱讀文章，選擇答案：Which things you should do if you want to be green?A. Buy the latest fashions B. Choose local productsC. Waste energy when things are made D. Buy things from abroadE. Repair things F. Use paper cups and ba

10、gsG. Throw things away H. Burn things c.小組討論：完成下列表格We shouldWe shouldntreason Reduce（use less）1.saveThis saves money and reduces pollution and waste going into the environment.2buy anything that is unnecessary.3Reuse（use again）12Throw broken things and buy new ones3Use a paper cup or a paper bag.Rec

11、ycle （changethings intosomething else）1It saves energy2Throw things away or burn them.34、語(yǔ)言知識(shí)歸納。 請(qǐng)精讀文章，找出并寫(xiě)下疑難問(wèn)題_ 結(jié)隊(duì)或小組內(nèi)交流，記下仍然解決不了的問(wèn)題_ 語(yǔ)言點(diǎn)導(dǎo)學(xué)： Do you care about protecting the environment and saving energy?你關(guān)心環(huán)保和節(jié)能嗎？care about可以表示"關(guān)心，重視；介意，在乎&qu

12、ot;。如：Most parents care very much about their childrens future. 大多數(shù)父母都特別關(guān)心自己孩子的將來(lái)。  【拓  展】care這個(gè)詞的用法很多。care for sth. 用于否定句或疑問(wèn)句中，常與would 連用，表示"愿意或同意做某事；希望或喜歡做某事"。如：Would you care for going

13、60;for a walk with me? 愿意和我一起去散步嗎？care for還有"照看；照顧"的意思，與take care of和look after同義，常用于被動(dòng)語(yǔ)態(tài)中。如：Old people are cared for by the whole society老年人受到整個(gè)社會(huì)的照顧 it does harm to our environment. 對(duì)我們的環(huán)境有害Harm 作名詞，意為“損

14、害；傷害”，應(yīng)和介詞to連用。如：Smoking does harm not only to the smokers but also to people around them. 吸煙不僅危害吸煙者，而且還殃及周?chē)娜??！就?展】harm 還可以作動(dòng)詞。如：Lots of houses were harmed in the Wenchuan earthquake. 汶川地震中大量房屋受損。 harm對(duì)應(yīng)的形容詞是harmful, 意為“對(duì)有害的；可致?lián)p傷的”，也應(yīng)和介詞to連用。如Sleeping too much is as harmful to health as sleeping to

15、o little. 睡得太多太少都會(huì)危害健康。do harm to“對(duì)有害處” do good to “對(duì)有好處”如：Ill never do harm to them.A holiday will do good to you. In fact,even the simplest everyday activities can make a real difference to the environment.其實(shí)，即使是最簡(jiǎn)單的日常小事也能對(duì)環(huán)境產(chǎn)生很大影響。make a difference to“對(duì)產(chǎn)生重大影響”everyday是形容詞，意思是“日常的”、“普通的”。如：We 

16、;learn everyday English. The man wore everyday clothes.【拓    展】every day 是副詞短語(yǔ)，意思是“每天”、“天天”的意思。如：How do you go to school every day?I pay visits to Mr. Green every day. Us

17、e things for as long as possible.as long as possible.是as+adj/adv as possible 這樣一種結(jié)構(gòu)，表示“盡可能?！?相當(dāng)于as+adj/adv+as one can,強(qiáng)調(diào)形容詞或副詞。如：See these men as soon as possiblePlease come to school as quickly as possible.(同義句)Please come to school as quickly as _ _ We should repair them if we can instead of throw

18、ing them away.instead of 意為“代替，而不是”instead of是介賓短語(yǔ)，后面常接名詞、代詞、動(dòng)詞 + ing 形式充當(dāng)賓語(yǔ)。 如：1.We'll ask Li Mei instead of Mary. 我們將去問(wèn)李梅而不問(wèn)瑪麗【拓    展】instead意為“代替”“替代”，作副詞用，通常位于句尾。如位于句首時(shí)常用 逗號(hào)與后面閣開(kāi)。instead 在順接句子中作“代替”講，而在轉(zhuǎn)折（或逆轉(zhuǎn)） 句子中作“然而”講。如：1.Lily isn't here. Ask Lucy instead. Lily不在這兒，

19、去問(wèn)Lucy吧. 2.she didn't answer me, instead, she asked me another question. 她沒(méi)有回答我，反而問(wèn)了我另外一個(gè)問(wèn)題?？祭海╥nstead；instead of）1. He never studies. _, she plays basketball every day. 2. She stayed at home all day _ going to work.3. I like watching TV at home instead of go out on Sundays.A B C D4. 我喜歡英語(yǔ)而不是數(shù)學(xué)

20、。_We should also buy products made from recycled materials.made from recycled materials. 這是過(guò)去分詞作定語(yǔ)后置的用法如：The glass broken by my son has been swept away.考例：“Things _ never come again!” I couldnt help talking to myself. A. lost B. losing C. to lose D. have lost【拓    展】be made&

21、#160;of與be made frombe made of“由構(gòu)成”，能看出原材料如： The desk is made of wood. The knife is made of metal. be made from“由構(gòu)成、制成成品”，被制成的東西看不出原材料如：The paper is made from the wood.reduce reduce的意思是“縮減（體

22、積、數(shù)量、價(jià)格等）；減少；減??；降低”，常和from, to, by等介詞連用。如： He reduced his weight from 98 to 92 kilos. 他的體重從98公斤減少到了92公斤。 He reduced his weight by 6 kilos. 他的體重減少了6公斤?！就卣埂?reduce 的名詞形式是 reduction。如The shop will sell all the clothes at a huge reduction.這家商店將大幅度降價(jià)賣(mài)掉所有的衣服。考例：翻譯下面的句子。1. 我們應(yīng)該學(xué)會(huì)在考試前減小壓力(pressure)。_2. 玩電腦游戲太多對(duì)健康有害。_3. 你知道你每天產(chǎn)生多少?gòu)U棄物嗎？_朗讀課文，寫(xiě)出下列重