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1课前导入-美文欣赏Chinatointroduce'forestchief'schemenationwideTreescoverahillsideinWuqi,Shaanxiprovince,thefirstcountyinvolvedintheConversionofCroplandtoForestandGrasslandProgram,inlastJune.BEIJING--Chinahasissuedaguidelinetoimplementaforestchiefschemenationwideamidthecountry'scontinuouseffortstoprotectforestsandgrasslands.ItwasissuedbythegeneralofficesoftheCommunistPartyofChinaCentralCommitteeandtheStateCouncilandurgedthattheforestchiefschemewillberolledoutnationwidebyJune2022.Generalforestchiefsshouldbeappointedinallprovincial-levelregions,saidtheguideline.Itclarifiedalllevelsofforestchiefs'responsibilitiesinprotectingforestandgrasslandresources.Underthescheme,Chinawillstrengthenecologicalprotectionandrestorationofforestsandgrasslands,promotelarge-scaleafforestation,andenhancemonitoringandsupervisionforforestandgrasslandresourcesbyutilizingmoderninformationtechnologies.Effortswillalsoencouragethepreventionandcontrolofharmfulpestsandplantdiseases,aswellasnaturaldisasterssuchasfires.Chinastartedtrialsoftheforestchiefschemein2017,andsofarupto23provincialregions,includingAnhui,JiangxiandChongqing,havealreadycarriedoutthetrialprogram,providingthefoundationfornationwideimplementation.Nationwideimplementationofthe'forestchief'schemeisakeystepinenhancinglocalresponsibilitiesinecologicalprotection,saidGuanZhiou,headoftheNationalForestryandGrasslandAdministration.Indicatorsmeasuringtheperformanceofforestchiefswillincludeforestcoverage,foreststockvolume,comprehensivevegetationcoverageofgrasslandandtheareaofdesertifiedlandrestored,whilespecifictargetswillbeM3U1NatureinthebalanceI2tailoredinaccordancewithlocalconditions,accordingtoGuan.HesaidhebelievesnationwideimplementationoftheschemewillhelppoolresourcesandstrengthtoenhancetheprotectionofChina'sforestandgrasslandresources.课中讲解I.根据词性和汉语提示，写出下列单词1．harmn.&vt.伤害，损害→harmfuladj.有害的，导致损害的→harmlessadj.无害的；无恶意的2．varyvi.改变，变化→varietyn.不同种类；变化，多样性；变种，变体→variousadj.各种不同的，各种各样的3．survivevi.生存，存活；vt.幸存，幸免于难→survivorn.生还者，幸存者→survivaln.生存，幸存4．producevt.生产→productionn.产量；生产→productn.产品→productiveadj.多产的5．extinctadj.已灭绝的→extinctionn.灭绝，绝种6．disappearvi.消亡；消失，失踪；灭绝→disappearancen.消失；灭绝→appearvi.出现→appearancen.出现；露面；外貌，外观7．agriculturen.农业，农学→agriculturaladj.农业的II.根据提示补全下列短语1.onaccountof...=dueto...由于，因为2.takeone’srevengeonsb.报复某人，向某人复仇3.doharmto...对……造成伤害4.soundthealarm发出警报5.behometo...是……的家园/栖息地6.awiderangeof.../awidevarietyof...各种各样的……7.judgefrom...根据……判断8.bealivewith...充满，到处都是（活的或动的东西）9.playasignificantrolein...在……中充当重要角色/起重要作用10.maintainabalancebetweenAandB在A与B间保持平衡11.withanareaof...占地……12.amassof.../massesof...大量的……313.bemadeupof...由……构成（=consistof...）14.feedon...以……为食15.inturn转而，相应地，因此；轮流，依次16.breakdown（使）分解；（机器或车辆）出故障，坏掉；（谈判、关系、合作等）失败，破裂；（健康或精神等）崩溃，垮掉17.breathelifeinto...给……带来起色，注入活力18.buildup逐渐增加，扩大；增强，提高19.Foronething,...Foranotherthing,...一方面，……另一方面，……20.takein欺骗，使上当；摄入，吸收；理解，领会III.重点知识点解析知识要点1harmn.[U]（可用no,great,much,alotof修饰）伤害，损害vt.伤害，损害(教材P1)Thehumanracehasdonemuchharm.人类已经造成了很多危害。【用法详解】doharmtosb./sth.=dosb./sth.harm对某人/某物有害meannoharm(tosb.)（对某人）无恶意Thereisnoharmin(sb’s)doingsth./Itdoesnoharm(forsb.)todosth.做某事没有什么坏处。harmsth.损害某物（指人或国家的机会、前景、利益、声誉或形象等）-damage,hurt如：Hemaylookfierce,buthemeansnoharm.他可能看上去很凶，但并无恶意。Hardworkneverdidanyoneanyharm.努力工作对任何人都绝无害处。Hemaysayno,butthere'snoharminasking/itdoesnoharmtoask.他可能拒绝，但问一问也无妨。【归纳拓展】词性转换：harmfuladj.有害的↔harmlessadj.无害的；无恶意的常见搭配beharmful/harmlesstosb./sth.对……有害/无害【即时巩固】单句语法填空①It’sjustabitofharmless(harm)fun.开个小玩笑罢了，并无恶意的。②Fruitjuicescanbeharmfultochildren’steeth.4知识要点2morethan超过，多于；不仅仅是；很，非常(教材P2)Withanareaofaround5.5millionsquarekilometres,theAmazonrainforestismorethanhalfthesizeofChina.亚马孙雨林占地约550万平方公里，是中国面积的一半以上。【用法详解】morethan的用法主要有：(1)在“morethan+数字”结构中，morethan意为“超过，多于”，相当于over；反义短语为lessthan。如：Donotwritemorethan200words.写的东西不要超过200字。注意“morethanone+可数名词单数”意为“不止一个……”，其含义表复数概念，但形式是单数，即当此结构做主语时，其后的谓语动词用单数形式，类似用法还有manya（“许多……”）。如：Morethanonemeaningisincludedinsomelegalterms.有些法律术语有不止一个含义。(2)在“morethan+n.”结构中，morethan意为“不止，不仅仅是”。如：He’smorethanacoach;he'safriend.他不只是教练，更是朋友。(3)在“morethan+adj./adv./v.”结构中，morethan意为“很，非常”，相当于very(much),extremely。如：Hewillbemorethanhappy(=extremelyhappy)tocomewithus.他巴不得和我们一起来。Shewasmorethanalittleshaken(=extremelyshaken)bytheexperience.这次经历对她产生了极大的震动。I’msureconditionsovertherewillmorethansatisfyyourrequirements.我确信，那边的条件会大大满足你的要求。(4)“morethan+句子（句中常含有can或could）”结构意为“非……所能……，是……难以……的”。如：Theheattherewasmorethanhecouldbear.那里的高温令他难以忍受。【归纳拓展】与than相关的其他短语：moreAthanB与其B，倒不如Alessthan少于，不足ratherthan而不是not/nomorethan至多，不超过nolessthan多达otherthan除……之外（就没有了）-but,except如：Ihavenoambitionsotherthantohaveahappylifeandbefree.我没有雄心大志，只求自由自在地过幸福生活。TheexhibitionatBoston'sMuseumofFineArtsismoreaproduction演出thanitisamuseumdisplay.波士顿美术博物馆的展览与其说是一次博物馆展出，倒不如说是一场精心设计的展演活动。Nolessthan35percentofthecountryisprotectedintheformofparksandnaturesanctuaries该国多达35%的地区以公园和自然保护区的形式受到保护。知识要点3varietyn.[C,usu.sing.]不同种类；[U]变化，多样性；[C]变种，变体(教材P3)Theforest’sdifferentlevelssupportanunbelievablevarietyofwildlife.雨林的不同层次支撑种类多到难以置信的野生动物生活繁衍。【用法详解】a(w