選修6 Unit4 Global Warming全單元課件

1、Unit 3 Global WarmingWhat is energy? What do we use it for?heat , light , power, etc.Where does the energy come from? Sources of energyRenewable ?Non-Renewable?lEnergy is necessary in our life.lSources of energy are endless, so we dont have to worry about it.lThere is no trouble caused when we produ

2、ce energy from the sources.lWe can switch to other sources of energy if one is run out.Do you agree?What is greenhouse?What does it do?Where else do we see “greenhouse” effect?THE EARTH IS BECOMING WARMERBUT DOES IT MATTER?INTRODUCTION: Author _ Magazine _ Problem discussed_ What questions will the

3、author explores?Sophie ArmstrongEarth CareGlobal warmingHow has it come about?Does it matter?Para 1-4Para 5-6Part 1: How has it come about? Para 1 Para 2 Para 3 Para 4 How has the temperature increased? Who has done it? How has the Co2 developed? What has caused itthe topics of each paragraph Who ha

4、s done it? What has caused it？ How has the C02 developed? How has the temperature increased?Humans Burn fossil fuelsenergy“greenhouse” gasesTrap heat from the sunThe earth gets warm“Greenhouse” EffectTrue or False1. Greenhouse effect does damage to the earth by warming it up.2. Greenhouse effect is

5、due to human activities.3. Humans make the greenhouse effect more serious and therefore cause global warming.FFTHow?What researches have been done?About the researches:1. What are the results of each research?2. Are they related? How?3. What the future temperature will be like?CO/ / CO2 went up.Temp

6、erature increased.They are positively /directly related.It is uncertain yet.Part2: Does it matter?Negative effects Predictor_ _ temperature increase (maybe by_ degree.) Lead to _ A _futurePositive effects Predictor_ _ warming; _ environmental consequence; A_ futureJanice Foster5a catastropheGeorge H

7、ambleymildWith few bad Positive/bettergreatNegative /worseThinking after reading:1. Which idea do you believe about global warming and its effects? Why?2. Is there anything we can do about global warming?3. If the warming seems hard to slow down no matter what we do, will you keep on saving energy o

8、r reduce CO2?Films recommended: 1. 難以忽視的真相難以忽視的真相 愚蠢年代愚蠢年代2. 全球變暖大騙局全球變暖大騙局Useful language pointsUseful phrases1. Consume energy2. /3. Come about 4. Explore the questions5. A random phenomenon6. Make accurate measurement of7. Result in/lead to8. Be opposed to (opposite, opponent)9. Even if(though)10

9、. Keep on(carry on)11. On the one handOn the other handUseful words1. Graph; data2. Subscribe to3. Fossil Fuel4. Byproducts5. Quantity/range6. Tend to7. Trend8. Catastrophe9. Consequence10. State11. Mild(反反violent)Consume 1. Marthawouldconsumenearlyapoundofcheeseperday.2. Someofthemostefficientmicro

10、waveconsume70percentlesselectricitythantraditionalmodels.3. Newinformationdevices,likecomputer,Ipadorsmartphone,havechangedthewaypeopleconsumebooks.subscribe vi. 持有或者同意（某種觀點）持有或者同意（某種觀點） Ivepersonallyneversubscribedtotheviewthateithersexissuperiortotheother.vi.訂閱（書報雜志服務等） MyreasonforsubscribingtoNew

11、 Scientististokeepstepwithadvancesinscience.翻譯練習有很多雜志你可以訂閱來提高閱讀能力。Therearemanymagazinesto which youcansubscribetoimproveyourreadingability.fueln.燃料；刺激因素 Runningoutoffuel,thecarbrokedown. Herstressisalsoherfueltopushherforward.v.得到燃料;供以燃料，加燃料 Theystoppedatthepetrolstationtofuelup. Winningtheprizefuel

12、edhisenthusiasmaboutphotography.同根詞：refuelQuantity 1. Doctorsdoencouragea quantity of exercises,buttheyalsoinsistonabalanceddiet.2. Nowlargequantitiesofshoppingaremadethroughtheinternet.3. Youcanbeofferedalowerpriceifyoubuytheirgoodsin quantity.tend1. Peoplesubscribetotheviewthatthefattend toeatmore

13、.2. Mostpeopletend to befriendswiththosewhoaresimilartothemselves.3. Astowhetherglobalwarmingwouldleadtocatastrophe,mostpeopletend to/towards thenegativeviewpoint.4. Kidshave a natural tendency to believetheirparents.consequence1. Theconsequenceoflong-termairpollutionisthatmorepeoplesufferfromlungca

14、ncer.2. Parentsandadolescentstendstoholddifferentviews.Consequently/As a consequence,theyoftenarguewitheachother.3. Dontthinkyoucangetdrunkwith few bad consequences.4. Thestormdieddown,withtheconsequence that awholecitylayinruins.stateN. area or countryN. Situation or conditionV. to speak formally L

15、eaders of the states are meeting in Louisville. The old house is in a risky state. The police stated that he was arrested for abusing power.派生詞派生詞 statementIt 用法用法 （II）強調句）強調句結構：結構：It is that.(/who)作用：強調句子中某成分：作用：強調句子中某成分：主語、賓語主語、賓語, 狀語狀語特點：對原句結構時態(tài)和意義不產生影響。特點：對原句結構時態(tài)和意義不產生影響。1. It is humanactivities

16、thathaveledtoglobalwarming.=_2. It is theburningoffossilfuelsthathasresultedintheincreaseintemperature.=_Human activities have led to global warming.The burning of fossil fuels has resulted in the increase in temperature.1. It is how we consume energy that has to be improved.2. It is theheatfromthes

17、unthatweneedtowarmup.3. It was Lindathat/who/whom Iwastalkingtooverthephone.4. It was besidetheriverthatIlastsawheralone.5. It was yesterdaynotlastweekthatwehadthemeeting.Whydoyouforgetitsofast?6. It was notuntilyougrowupthatyouwillunderstandyouparents.7. It was whereyoutookthephotothatIhadtraveledl

18、astyear.書后練習書后練習page 29強調句的疑問強調句的疑問格式及回答格式及回答1. -Was it youthatcalledthepolice?-_2. Is it the greenhouseeffectthathasresultedinthetemperatureincrease?-_3. -Was it intheUSthatwemeteachotherforthefirsttime?-_4. -Where was it that yougotthewatch?-_5. How is it thattheGlobalwarmingcomesabout?-_6. Who wa

19、s it thatyouweretalkingtooverthephone?-_句型轉換練習：周報句型轉換練習：周報15-A3, A4強調強調句和定語從句的區(qū)別句和定語從句的區(qū)別1.It was ten oclock he came back.2.It was at ten oclock he came back. A. that B. when C. so D. which3. It is autumn leaves fall. 4. It is in autumn leaves fall. A. that B. when C. so D. which2022-2-26BABA1. 因為你沒關燈因為你沒關燈我們才浪費了許多電。我們才浪費了許多電。2. 二氧化碳的增加二氧化碳的增加導致溫室效應更嚴重。導致溫室效應更嚴重。3. 我們消耗能源的方式我們消耗能源的方式需要改善。需要改善。4. 燃燒化石燃料會釋放燃燒化石