1、Using language,What can we do about global warming,Preview: 1代表on behalf of 2對(duì)幾乎沒(méi)有影響have little effect on 3承擔(dān)義務(wù)have a commitment 4有能力做have the power to do 5眾人拾柴火焰高Together,individuals can make a difference 6 忍受 put up with 7由于 as a result of 8只要so long as 9對(duì)漫不經(jīng)心be casual about 10等等and so on 11節(jié)約能源be

2、 economical with energy 12 振奮你的精神refresh your spirit 13最后也是最重要的Finally and most importantly 14你的貢獻(xiàn)有價(jià)值Your contribution counts.,Word study,commitment put up with electrical so long as circumstance be casual about economical,tolerant; bear belief; an opinion do sth using less time or money connected w

3、ith electricity; using electricity only if not showing much care or thought; not care about sth condition ,situation,Column A,Column B,What has caused the global warming?,Human activity- burning of fossil fuels., Greenhouse effect- greenhouse gases- we need those gases., Huge quantities of extra car

4、bon dioxide-from 1957 to 1997-from around 315 parts per million to around 370 parts per million.,The effects of global warming,Negative effects: 1 cause the sea level to rise; 2 severe storms; 3 droughts; 4 famine; 5 destruction of species 6 flood,Positive effects: 1 make plants grow faster; 2 crops

5、 will produce more; 3 make life better,What can we do about global warming?,Learning Aims: 1To foster(培養(yǎng)) the students ability in skimming and looking up information and improve the students reading ability. 2To develop the students sense of cooperation with others to solve problems. 3To develop stu

6、dents sense of environmental protection.,Skim the letters and find who the writers are and what their purposes of writing the letters are.,Skimming,The first letter is written by a student named Ouyang Guang . The purpose is to ask for suggestions for his project global warming. The second letter is

7、 written by an editor of Earth Care magazine. The purpose is to offer Ouyang Guang some suggestions on what to do about global warming.,Skan the first letter What opinion can you get from his letter?,As an individual, he can have no effect on environmental problems,Scan the second letter 1.Does Eart

8、h Care agree with Ouyang Guangs opinion that individuals can have no effect? 2.List Earth Care suggestions in the chart on page30, and discuss whether you can carry out each suggestion, give your reasons.,No, Earth Care agrees that together, individuals can make a difference.,If you are not using el

9、ectrical appliances, turn them off.,Yes,Save energy,If youre cold, put on more clothes instead of turning up the heat.,Yes,Save energy,Motor vehicles use a lot of energy, so walk or ride a bike if you can.,Yes,Save energy,Recycle cans, bottles, plastics and newspapers and buy things made from recycl

10、ed materials.,Yes,Save energy,Get your parents or friends to buy products that are made to save energy.,Yes,Save energy,Plant more trees,Yes,Plants absorb carbon dioxide from the air,Talk with your family and friends about global warming and tell them what youve learned.,Yes,Together, individuals ca

11、n make a difference.,Careful reading： Read the text carefully and fill in the blanks.,What can we do about global warming? Turn a(n) _ off when youre not using it. Put on more clothes instead of turning up the _. Walk or _ instead of taking motor vehicles. _ cans, bottles, plastics and newspapers.,e

12、lectrical appliance,heat,ride a bike,Recycle, Buy things made from _ _. Buy products that are made to save _. _ in your garden or your school yard. Talk with your family and friends about _.,recycled materials,energy,Plant trees,global warming,Language study 1.Sometimes I feel that individuals can h

13、ave little effect on such huge environmental problems. 有時(shí)候我覺(jué)得像這樣一個(gè)巨大的環(huán)境問(wèn)題，個(gè)人是起不了什么作用的。 have an/some/much/little/noeffect on 對(duì)有/有一些/很多/幾乎沒(méi)有/沒(méi)有影響（作用） The advertisements _sales. 這些廣告對(duì)銷售額并沒(méi)有起到多大作用。 The medicine _his illness. 這藥對(duì)他的病一點(diǎn)作用也沒(méi)有。,didnt have much effect on,had no effect on,2.However，I still thi

14、nk people should advocate improvements in the way we use energy today. 然而我仍認(rèn)為人們應(yīng)該支持改善日常能源的消耗方式。 句子含有一個(gè)定語(yǔ)從句，先行詞是_,意為“_”，關(guān)系詞可用_，并在定語(yǔ)從句中作_。 I like the way_you solved the problem. I like the way_ you thought of.,the way,方式，方法,in which/that/省略,方式狀語(yǔ),in which/that/省略,which/that/省略,3I would appreciate any s

15、uggestions you may have. 我希望能得到你們的建議。 appreciate表示“感激”、“贊賞”等，通常為及物動(dòng)詞，其后可接名(代)詞、動(dòng)名詞、名詞性從句等作賓語(yǔ)，但不能接不定式。如： I really appreciate a good cup of tea. 有好茶一杯，我就真樂(lè)在其中了。 We shall appreciate hearing from you again. 能再次收到你的來(lái)信，我們將十分感激。 I appreciate that you have come here so early. 感謝你來(lái)得這么早。,其后不直接跟 if 引導(dǎo)的從句，若語(yǔ)義上需

16、要接這類從句，需借助 it。如： I would much appreciate it if you would arrange this for us. 如果你能替我安排這事，我將非常感激。 appreciate后只能接“事”作賓語(yǔ)，而不能接“人”作賓語(yǔ)（注:這與thank 的用法不同)。如： 我們感謝你的幫助。 We appreciate your help. / We thank you for your help.,4Together，individuals can make a difference. 眾人拾柴火焰高。 make a difference(to sb./sth.)意為

17、“對(duì)某人/某物起作用、有影響”，difference前面可以加不同的修飾詞，如no/some/little/much等。 Exercise can _your health. 鍛煉對(duì)你的健康產(chǎn)生很大的影響。 It _what you say. 無(wú)論你怎么說(shuō)對(duì)我都沒(méi)有影響。,make a great difference to,makes no difference to me,5It is OK to leave an electrical appliance on so long as you are using itif not，turn it off!只要你在使用電器設(shè)備，你便可以把它開

18、著。如果不用就把它關(guān)掉！ if not在本句中是if you are not using it的省略形式。 if so如果這樣 if any若有 if necessary如果有必要 I think youd better take a taxi. _，maybe youll miss it.我想你最好打的去，否則可能會(huì)誤車的。 Point out errors，_.若有錯(cuò)誤，請(qǐng)指正。 Have you got a free evening next week？_，lets have dinner together. 下周你哪個(gè)晚上沒(méi)事？如果沒(méi)有事，我們?nèi)コ燥埌伞?Take this camer

19、a with you，_. 如果有必要，帶上照相機(jī)去吧。,If not,if any,If so,if necessary,6.It takes a lot of energy to make things from new materials, so, if you can, buy things made from recycled materials. 用新原料造東西需要大量能源，因此，只要有可能，就買那些用回收材料制成的物品吧。 句中it為形式主語(yǔ)，take意為需要/消耗(時(shí)間、勞力等)，take作此含義時(shí)通常不可用于被動(dòng)語(yǔ)態(tài)。made from recycled materials是

20、過(guò)去分詞短語(yǔ)作定語(yǔ)。 It takes sth. to do sth. 做某事需要 To be honest，it _to tell the truth. 老實(shí)說(shuō)，說(shuō)出真相需要很大勇氣。 比較：It takes sb. time to do sth.某人花費(fèi)時(shí)間做某事。 It took him three hours to fix that washing machine.,takes great courage,即境活用 Perseverance is a kind of qualityand thats what_to do anything well. Aone takes Bone i

21、s taken Cit takes Dit is taken 解析：選C。句意：毅力是一種品質(zhì)，是一種做好任何事情都需要的品質(zhì)。表語(yǔ)從句中隱含一個(gè)句型：It takes .to do sth.。,7. Your contribution counts！你的貢獻(xiàn)有價(jià)值。 count n.計(jì)數(shù)；計(jì)算 vt.計(jì)算，計(jì)數(shù)；認(rèn)為；指望,依賴 vi.計(jì)數(shù)；有價(jià)值=matter count nothing 一點(diǎn)價(jià)值都沒(méi)有 count on=depend on/rely on 指望，依賴 First impressin really do count. 第一印象確實(shí)很重要。 You can count on

22、him to help you. 你可以指望他幫忙。,Discussing,could we, as an individual, do something about global warming?,turn electrical appliances off walk or ride a bike recycle cans, bottles, plastics plant trees buy products that are made to save energy educate others,I. 根據(jù)下列各句句意及所給單詞的首字母或漢語(yǔ)提示，寫出各單詞的正確形式。 1. Youll need three large c_ of paint. 3. I got out of the car but left the m_ running. 4. They decided to set up a(n) _ (核的) power station. 5. Ill heat it up in the _ (微波爐).,Practise,cans,motor,nuclear,microwave,II. 根據(jù)括號(hào)內(nèi)的提示將下列句子補(bǔ)充完 整。 If s