Chapter6Reading顧秀云PollutionfightersPeriod11/222/223/22pollution4/22thebestpollutionfighters

Trees5/22pollutionfightersbeinterestedinthebiggestandoldestlivingthingsmakesb./sth.+adj.ontheendofbreathepureandcoolairthank……for……take…from…h(huán)armfulgasrelease…into…1.污染斗士2.對……有興趣3.最大最古老生物4.使某人某物……5.在……末端6.呼吸純凈清涼空氣7.因……而感激……8.吸收，拿走9.有害氣體10.釋放【Pre-reading】6/2211.1.5公頃12.保持某人某物……13.也，和，不但而且14.經(jīng)過（方式）保護15.連接到一起16.與……交流17.相互18.處于危險19.砍伐20.反抗污染最強力量oneandahalfhectareskeepsb./sth.+adj.aswellasprotectbyjoin……togethercommunicatewithoneanother=eachotherbeindangercutdownthebestfightersagainstpollution7/22【Extensivereading】Q1Whoaretalking?Q2Whataretheydoing?Q3Whataretheytalkingabout?Q4WhatisDoctorRay?Q5Whatarethebestpollutionfighters?PS:Cantreescommunicatewitheachother?8/22【Intensivereading】Judyhasdrawnagraphabouttheirinterview.Trytofillintheblanks9/22treespollutionfightersnaturalairconditionersstreets____________and_____________morebeautifullessnoisypencilbenchrubberpaperfruitnutsbeanscomefromtreesstreetsair__________________theair______________theair______theair______theairtakeharmfulgasfromreleaseoxygenintocoolclean10/22Whatelsedoweknowaboutthetreesfromtheinterview?Readtheparagraph‘Thankyou,Judy……butwedon’tknowhow.’.Discusswithyourgroupmembers.Thenaskandanswerlikethis:S1:Whatelsedoyouknowabouttrees?S2:Theycan…………11/22Whatisthepresentsituationoftrees?12/22Wecutdownandburnmillionseveryyearbutwereplacehardlyanyofthem.almostnoneofthem13/22Theyareindangernow!!!!!!知識鏈接

14/22當(dāng)前我國森林資源面臨巨大危機，海南島熱帶雨林在過去40年中由1300萬畝，減至367萬畝。我國寶貴原始森林長久受到亂砍濫伐，毀林墾荒，森林火災(zāi)以及病蟲害破壞，原始林每年降低5000平方公里據(jù)聯(lián)合國糧農(nóng)組織預(yù)計，因為砍伐熱帶雨林，每年向大氣層多釋放15億噸二氧化碳15/22植樹節(jié)每年3月12日Tree-plantingDay/ArborDay而日本國內(nèi)森林覆蓋率近64%,是世界上森林覆蓋率最高國家之一中國森林覆蓋率18.2%，只有全球平均水平2/3，排在世界第139位我國是1979年開始有植樹節(jié)，今年是第33個植樹節(jié)凡是條件具備地方，年滿11歲中華人民共和國公民，除老弱病殘者外，每人每年義務(wù)植樹3棵至5棵16/22DiscussionWhatshouldyoudo?Let'splanttreestogethertoday!17/221234【Treasurehunting】3trees=15airconditioners,so10trees=?給出一個樹木相互交流例子？樹木怎么保護他們自己不受害蟲傷害？樹木怎么傳遞水和養(yǎng)分？5樹對空氣有哪兩個主要作用呢？18/22Findthefacts（TrueorFalse）19/22competition20/22對…有興趣makesb./sth.+adj.communicatewith污染斗士在…末端有害氣體beinterestedinthank…for…吸收，拿走釋放cutdown連到一起相互砍伐處于危險與…交流protectbyjoin……togetherbeindangerbreathepurea