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1、第第1頁(yè)頁(yè)/共共30頁(yè)頁(yè)Skim the letters and find who the writers are and what their purpose of writing the letters is. 第第2頁(yè)頁(yè)/共共30頁(yè)頁(yè)The first letter is written by a student who is asking for suggestions for his project global warming.The second letter is written by an editor of Earth Care magazine. He offers th

2、e student some suggestions on what to do about global warming. 第第3頁(yè)頁(yè)/共共30頁(yè)頁(yè)Earth CaressuggestionsCan you carry it out?ReasonsList Earth Cares suggestions and then in groups, discuss whether you think you can carry out each suggestion. If you are not using electrical appliances, turn them off.YesSave

3、 energy第第4頁(yè)頁(yè)/共共30頁(yè)頁(yè)YesSave energyYesSave energyYesSave energyIf youre cold, put on more clothes instead of turning up the heat.Motor vehicles use a lot of energy, so walk or ride a bike if you can.Recycle cans, bottles, plastics and newspapers and buy things made from recycled materials.第第5頁(yè)頁(yè)/共共30頁(yè)頁(yè)

4、YesSave energyYesPlants absorb carbon dioxide from the air.Plant more trees.Get your parents or friends to buy products that are made to save energy.第第6頁(yè)頁(yè)/共共30頁(yè)頁(yè)YesTogether, individuals can make a difference.Talk with your family and friends about global warming and tell them what youve learned.第第7頁(yè)

5、頁(yè)/共共30頁(yè)頁(yè)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. electrical applianceheatride a bike第第8頁(yè)頁(yè)/共共30頁(yè)頁(yè) _ cans, bottles, plastics

6、 and newspapers. 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 materialsenergyPlant treesglobal warmingRecycle第第9頁(yè)頁(yè)/共共30頁(yè)頁(yè)第第10頁(yè)頁(yè)/共共30頁(yè)頁(yè)1. I am doing a project on behalf of my school about glob

7、al warming. on behalf of 代表代表一方，一方， 作為作為的代言人的代言人 (通常在句中作狀語(yǔ)通常在句中作狀語(yǔ))e.g. Im writing on behalf of my mother to express her thanks for your gift. 我代表我母親寫信我代表我母親寫信, 對(duì)你的禮物表示感謝。對(duì)你的禮物表示感謝。 He spoke on behalf of all the members of the staff. 他代表全體教職員工講了話。他代表全體教職員工講了話。第第11頁(yè)頁(yè)/共共30頁(yè)頁(yè)2. Sometimes I feel that in

8、dividuals can have little effect on such huge environmental problems.有時(shí)候我覺得像這樣一個(gè)巨大的環(huán)境問題，個(gè)有時(shí)候我覺得像這樣一個(gè)巨大的環(huán)境問題，個(gè)人是起不了什么作用的。人是起不了什么作用的。 have an/some/much/little/noeffect on對(duì)對(duì)有有/有一些有一些/很多很多/幾乎沒有幾乎沒有/沒有影響沒有影響(作用作用)The advertisements _ sales.這些廣告對(duì)銷售額并沒有起到多大作用。這些廣告對(duì)銷售額并沒有起到多大作用。The medicine _ his illness.這藥

9、對(duì)他的病一點(diǎn)作用也沒有。這藥對(duì)他的病一點(diǎn)作用也沒有。didnt have much effect onhave no effect on第第12頁(yè)頁(yè)/共共30頁(yè)頁(yè)3. advocate 用作動(dòng)詞用作動(dòng)詞, 表示表示“擁護(hù)、提倡擁護(hù)、提倡”時(shí)時(shí), 后接名詞或動(dòng)名詞形式后接名詞或動(dòng)名詞形式, 如如: He advocates reforming the prison system. 他主張改良監(jiān)獄制度。他主張改良監(jiān)獄制度。 用法歸納用法歸納: advocate sth. 提倡提倡, 擁護(hù)某事?lián)碜o(hù)某事 advocate doing sth. 提倡提倡, 擁護(hù)做某事?lián)碜o(hù)做某事 advocate tha

10、t + 從句從句 主張主張, 提倡提倡 特別提示特別提示: advocate后接從句時(shí)后接從句時(shí), 從句謂語(yǔ)需用從句謂語(yǔ)需用 “should do”表示虛擬表示虛擬, should可以省略?？梢允÷浴５诘?3頁(yè)頁(yè)/共共30頁(yè)頁(yè)4. commitment n. 表示表示“承諾承諾, 保證保證” make a commitment to sb./sth. “對(duì)某人對(duì)某人/某事做出承諾某事做出承諾” Our company has a commitment to quality and customer service. 我們公司對(duì)質(zhì)量和顧客服務(wù)有承諾。我們公司對(duì)質(zhì)量和顧客服務(wù)有承諾。commit

11、v. 1) 使承擔(dān)義務(wù)使承擔(dān)義務(wù); 使作出保證使作出保證; 使表態(tài)使表態(tài)2)做做(不合法的、錯(cuò)的或愚蠢的事不合法的、錯(cuò)的或愚蠢的事); 犯犯commit suicide 自殺自殺第第14頁(yè)頁(yè)/共共30頁(yè)頁(yè)5. Individuals can make a difference. make a difference 有影響；很重要有影響；很重要 make some difference to 對(duì)對(duì).有些關(guān)系有些關(guān)系 make no difference to 對(duì)對(duì). 沒有關(guān)系沒有關(guān)系That makes no difference to me.那對(duì)我沒有影響。那對(duì)我沒有影響。Exercise c

12、an make a great difference to your health.鍛煉對(duì)你的健康產(chǎn)生很大的影響。鍛煉對(duì)你的健康產(chǎn)生很大的影響。第第15頁(yè)頁(yè)/共共30頁(yè)頁(yè)6. We don not have to put up with pollution. put up with 忍受，容忍忍受，容忍e.g. He couldnt put up with the noise, so he kept the windows shut all day long. 他忍受不了嘈雜聲，所以整天窗戶緊他忍受不了嘈雜聲，所以整天窗戶緊 閉。閉。第第16頁(yè)頁(yè)/共共30頁(yè)頁(yè)I cant put up wit

13、h her another day she never stops complaining.她整天抱怨，我一天也不能忍受了。她整天抱怨，我一天也不能忍受了。第第17頁(yè)頁(yè)/共共30頁(yè)頁(yè)7. It is OK to leave an electrical appliance on so long as you are using it if not, turn it off! so long as 只要，也可以用作只要，也可以用作as long ase.g. You will do all right so long as you follow my advice. 只要你聽我的建議只要你聽我的建

14、議, 你一定會(huì)做好的。你一定會(huì)做好的。 I am happy so long as you are happy. 只要你高興，我就高興。只要你高興，我就高興。第第18頁(yè)頁(yè)/共共30頁(yè)頁(yè)8. Recycle cans, bottles, plastic bags and newspapers if circumstances allow you do. circumstance n. 環(huán)境，情況環(huán)境，情況e.g. I know I can trust her in any circumstance. 我知道我在任何情況下都能信任她。我知道我在任何情況下都能信任她。 You should soon

15、 accommodate yourself to the new circumstance. 你應(yīng)盡快適應(yīng)新環(huán)境。你應(yīng)盡快適應(yīng)新環(huán)境。第第19頁(yè)頁(yè)/共共30頁(yè)頁(yè)under the circumstances under no circumstances在這種情況下，既然如此在這種情況下，既然如此絕不，無論如何不絕不，無論如何不第第20頁(yè)頁(yè)/共共30頁(yè)頁(yè)9. Your contribution counts! 你的貢獻(xiàn)有價(jià)值。你的貢獻(xiàn)有價(jià)值。 count n. 計(jì)數(shù)；計(jì)算計(jì)數(shù)；計(jì)算 vt. 計(jì)算；指望，依賴計(jì)算；指望，依賴 vi. 計(jì)數(shù)；有價(jià)值計(jì)數(shù)；有價(jià)值=mattercount nothing

16、 一點(diǎn)價(jià)值都沒有一點(diǎn)價(jià)值都沒有count on =depend on /rely on 指望；依賴指望；依賴First impression really do count.第一印象確實(shí)很重要。第一印象確實(shí)很重要。You can count on him to help you.你可以指望他幫忙。你可以指望他幫忙。第第21頁(yè)頁(yè)/共共30頁(yè)頁(yè)I. 根據(jù)句意及所給單詞的首字母或漢語(yǔ)提根據(jù)句意及所給單詞的首字母或漢語(yǔ)提示，寫出所缺單詞的正確形式。示，寫出所缺單詞的正確形式。1. The cool water r_ John after his long sleep.2. This is a form

17、al party so youd better not wear c_ clothes.3. I was asked to give a short p_ on the aims of the plan.refreshedcasualpresentation第第22頁(yè)頁(yè)/共共30頁(yè)頁(yè)4. The companys _ (承諾承諾) to providing quality at a reasonable price has been vital to its success.5. It is very difficult to see doctors, so many people _ (提倡

18、提倡) building more hospitals.6. Its the best result that could be expected under the _ (情況情況).circumstances commitmentadvocate第第23頁(yè)頁(yè)/共共30頁(yè)頁(yè)7. Youll need three large c_ of paint.8. I got out of the car but left the m_ running.9. They decided to set up a(n) _ (核的核的) power station.10. Ill heat it up in

19、the _(微波爐微波爐).ansotor nuclearmicrowave第第24頁(yè)頁(yè)/共共30頁(yè)頁(yè)II. 根據(jù)漢語(yǔ)提示，補(bǔ)全下列句子。根據(jù)漢語(yǔ)提示，補(bǔ)全下列句子。1. Im writing _ (代表我母親代表我母親) to express her thanks for your gift.2. I _ (再也再也不能忍受不能忍受Ivy了了) she never stops complaining.3. I dont care about the price, _ _ (只要這塊只要這塊兒表質(zhì)量好兒表質(zhì)量好). on behalf of my mother cant put up with

20、 Ivy any more so long as the watch is of good quality第第25頁(yè)頁(yè)/共共30頁(yè)頁(yè)4. If you know a foreign language you can tell your foreign friends about _ _ (你的家你的家 庭、學(xué)習(xí)等情況庭、學(xué)習(xí)等情況). 5. To the doctors disappointment, the medicine _ (對(duì)這個(gè)病人幾乎不起作用對(duì)這個(gè)病人幾乎不起作用). your family, your study and so onhas little effect on th

21、e patient第第26頁(yè)頁(yè)/共共30頁(yè)頁(yè)6. In sport _ (重要的是重要的是) is not the winning but the playing. 7. The doctor told Paul to _ _ (少抽煙少抽煙). what really counts cut down on smoking第第27頁(yè)頁(yè)/共共30頁(yè)頁(yè)8. I dont mind your knowing it _ (只要事情不進(jìn)一步發(fā)展只要事情不進(jìn)一步發(fā)展).9. If you want to save energy, youd better not use the air conditioner, the heater _ (等等等等) when it is not necessary.so long as it goes no furtherand so on第第28頁(yè)頁(yè)/共共30頁(yè)頁(yè)第第29頁(yè)頁(yè)/共共30頁(yè)頁(yè)感謝您的觀看。感謝您的觀看。第第30頁(yè)頁(yè)/共共30頁(yè)頁(yè)