Unit_4_(save_the_trees)Reading

Unit4SavethetreesReadingInthisunit,wearegoingtotalkaboutanotherofman’sbestfriendsonEarth,trees.BrainstormWhatcanwegetfromtrees?Use:pencil,chopsticks,tables,chairs,paper,etc.Eat:fruit,nuts(坚果)Wear:flower,shoes(rubber)橡胶Drink:tea(leaves),coffee(beans)WarmingupHowmuchdoyouknowabouttrees?Trytheshortquizbelow.fruitbranchleafrootPairwork:Discussthequestionbelow.Whatdotreesdoforus?Treestakeinharmfulgasesfromtheairandproduceoxygenforustobreathe.Treesaremajorfightersagainstairpollution.Choosetherightanswertothequestion.BBeforeyoureadLookatthetitleoftheinterviewonpage45.Thenanswerthequestionbelow.Manyofthethingsinourdailylivescomefromtrees.Forexample,paperpencils,andchairs.Whatcanwemakefromtrees?Writedownthreeexamples.Watchthemovieandfillinthechart:__________________produceoxygenforustobreathetakein____________________harmfulgasesfromtheairTreesinourdailylivesRebeccawantstoknowmoreabouttreesandhowtheyhelpus.SheisinterviewingDrJonesabouttrees.AReadthefirstpartoftheconversationandanswerthefollowingquestion.Whyaretreesmajorfightersagainstairpollution?Comprehension•Theykeeptheaircoolandclean.•Theytakeinharmfulgasesfromtheair.•Theyproduceoxygenforustobreathe.Readthesecondpartoftheconversationandanswerthefollowingquestion.ComprehensionWhatcanwegetfromtrees?FruitOilTeaandfurnitureReadthethirdpartoftheconversationandanswerthefollowingquestion.Howmanytreesdopeoplecutdowneveryyear?ComprehensionPeoplecutdownmillionsoftreeseveryyear.1.Treestakeinusefulgasesfromtheair.2.Treesproduceoxygenforustobreathe.Readline1-9,tellTorF.(朗读1-9行，判断正误）F吸收L5：harmful（有害的）TL6-7SecondReading3.Manythingscomefromtrees.Forexample,paper,andpencils.4.Infact,wecan’tgetalotmorefromtrees.Readline10-27,tellTorF.（朗读10-27行，判断正误）T来自L12-14FL16-17确切地说Newwords:•save•pine•discuss•branch•root•fight•against•example•harmful•gas•produce•拯救•松树•讨论•树枝•根•与……作斗争•反对•例子•有害的•气体•产生；生产Newwords:•oxygen•major•conversation•furniture•imagine•氧气•主要的•方便的•家具•想像；设想ReviewthetextRepeatthetextafterthetape.Readtheinterviewingroupsandfillintheblanks:Treeshelpusinmanyways.Treesfightagainstairpollution.Theykeeptheair______and_____.Theytakein_____________fromtheairand___________________forustobreathe.Treesmakeourlivesmore____________.Manyofthethingsinourdailylivescomefromtrees,suchas_______and________.Theyalsogiveus________,_____and_____.Alotof_________is________________.Therefore,weshouldstopcuttingdown_________oftreeseveryyearifwedon’twantaworldwithouttrees.coolcleanharmfulgasesproduceoxygenconvenientpaperpencilsfruitoilteafurnituremadeofwoodmillionsExercise:Completethenotesbelow.airpollutioncoolandcleanharmfulgasesmoreconvenientcomefromtreesmadeofwoodVocabularyproduceagainstfurnitureconvenientmajorLanguagepoints:1.Theykeeptheaircoolandclean.它们可以保持空气凉快和清洁。keepsth.+adj.使某物保持怎样的状态我们应该保持教室干净。Weshouldkeeptheclassroomclean.2.Theytakeinharmfulgasesfromtheairandproduceoxygenforustobreathe.takein意为“吸收”树能够吸收二氧化碳。Treescantakeincarbondioxide.Languagepoints:harmful是个派生词，即词根加后辍（suffix）e.g.use+ful=usefulbeharmfultosth.对……有害从工厂里排出的废水对我们的健康有害。Wastewaterfromfactoriesisharmfultoourheath.tobreathe是个动词不定式，作目的状语。3.They’remajorfighteragainstairpollution.fightagainst与……作斗争在我们城市我们必须要与空气污染作斗争。Wemustfightagainstairpollutioninourcity.Languagepoints:mainadj.主要的在大城市，空气污染是一个主要问题。Airpollutionisamainprobleminbigcities.4.Treesalsomakeourlivesmoreconvenient.树也让我们的生活更方便。makesb.+adj.意思是“使某人感到……”这个好消息使妈妈感到很开心。Thegoodnewsmademymumhappy.5.Infact,wegetalotmorefromtrees.infact(补充细节)确切地说我曾经在你家乡工作过，确切地说，在你爸爸公司附近。Ionceworkedinyourhometown,infact,nearyourfather’scompany.Languagepoints:6.Lookaroundthisroom.Alotofthefurnitureismadeofwood.环顾这个房间。很多家具由木头制成。lookaround意为“环顾”bemadeof意为“由……制成”（看得出原材料）bemadefrom表示“用……制作”（看不出原材料）Thedeskismade____wood.Paperismade_____wood.offromTrytofindoutsomecollocationsfromthearticleasmanyasyoucan.1.knowabout2.inmanyways3.takein4.inourdailylives5.comefrom6.forexample7.infact8.lookaround9.bemadeof10.cutdown11.millionsof12.stopdoingsth.1.了解2.在很多方面3.吸收4.在我们的日常生活中5.来自6.例如7.事实上8.环顾9.由……制成10.砍伐11.大量的；数以百万计的12.停止做某事Vocabulary:Completethesentenceswiththecorrectwords:1.Therescueteamcamequicklyands_____theoldwoman’slife.2.Youcand_________thisproblemwithyourclassmates.3.Howcanwef_______againstairpollution?4.Scienceandtechnology(技术)makesourlivesmorec__________.aveiscussightonvenientVocabulary:Completethearticlewiththewordsandphrasesfromthebox.Changetheirformsifnecessary.bemadeofinfactproduceharmfulmillionsoftakeinTreesareourbestfriendsonEarth.They(1)________oxygenforustobreathe,andthey(2)_______wastegasfromcarsandother(3)________gasesfromtheair.Treesalsomakeourlivesmorecomfortableandconvenient.Lookaroundandyouwillfindthatalotofproducts(4)___________wood.However,treesarenowindanger.Peoplecutdown__________treeseveryyear.Canyouimaginetheworldwithouttrees?(6)______,ifwedon’tstartprotectingthemfromnowon,we’llsoonloseourfriends,thetrees.producetakeinharmfularemadeofmillionsofInfact