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单词名词与环境有关：dust,atmosphere,dioxide,garbage,carbon,pollution,environment,desertification其它：campaign,process,mask,citizen,strength,chemical,evidence,nutshell,protection单词动词forecast,cycle,melt,recycle,pollute,complain形容词frightening,mass,concerned,coastal,major,urgent副词absolutely短语词汇表cutdown,oneafteranother,haveabadeffecton,becaughtin,takein,giveout,inanutshell,lookthrough课文中forcenturies,asaresultof,climatechanges,inrecentyears,digup,wakeup,allday,prevent...(from)doingsth.,ifpossible,lookafter,getsb.todosth.,environmentalproblems,improvetheenvironment,collectinformation,thinkseriouslyabout,takeaway句式It's+adj.+todosth.例句：It'sdifficulttobreatheandthedustmakesmeill.语法1.不定式的用法2.but+不定式1.____adj.大量的；大规模的2.________n.化学药品adj.化学的3._______n.进程；过程4._______vt.预报；预告5.______v.重新利用；再循环6.______adj.紧急的7._____adj.恐怖的；吓人的（一）基本单词masschemicalprocessforecastrecycleurgentscary8._________adv.绝对地；完全地9.______n.公民；市民10.__________n.大气；气氛11.___________n.环境12.____vi.融化13.________n.污染14.________n.根据；证明15._______n.废料；垃圾absolutelycitizenatmosphereenvironmentmeltpollutionevidencegarbage1.__________adj.吓人的；可怕的_______vt.使害怕_____n.恐惧；害怕2._______n.力量；力气_________v.加强______adj.强壮的3.________adj.关心的；担心的_______n.关心4._____adj.主要的；多数的_______n.大多数5.________vi.抱怨；发牢骚_________n.抱怨6._________n.保护______v.保护frighteningfrightenfright（二）派生单词strengthstrengthenstrongconcernedconcernmajormajoritycomplaincomplaintprotectionprotect1.砍倒2.突然遭遇(风暴等)3.一个接一个地4.对……有坏影响5.阻止……做……6.吸收7.发出；放出8.简言之；概括地讲9.浏览（三）短语cutdownbecaughtinoneafteranotherhaveabadeffectonpreventsb.fromdoingtakeingiveoutinanutshelllookthrough1.concernedadj.挂念的，担心的；[课文原句]Ican’thelpbutfeelveryconcerned.我禁不住感到非常担心。（一）单词【归纳】concerned意为：①担心的，忧虑的（后常接介词about/for或that从句）；②感兴趣的，关注的（后常接介词about/with）；③有关的，有牵连的（后常接介词with/in）。如：HecalledthepolicebecausehewasconcernedforGillian’ssafety.Manypoliticiansaremoreconcernedwithpowerandcontrolthanwiththegoodofthepeople.Therewasnoevidencethathewasconcernedinanycriminalactivity.【拓展】asfarassb.isconcerned在某人看来asfarassth.isconcerned就某事而言havenoconcernfor...对……毫不关心havenoconcernwith...和……毫无关系用concern的适当形式填空。1.Theyoungmandidn’tshowmuch_________aboutit.2.Weare_________aboutthepollutionoftheenvironment.3.Pleasedon’tletmyillness_______you.concernconcernedconcern2.majoradj.主要的；多数的[课文原句]SandstormshavebeenamajordisasterformanyAsiancountriesforcenturies.几百年来，沙尘暴一直是许多亚洲国家面临的主要灾害。【归纳】major可作形容词、名词和动词。★作形容词时，意为：①主要的；②重要的，重大的；③较大的，大的。★作名词时，意为：①主修课程，专业课；②某专业的学生。★作动词时，常与majorin连用，意为“主修”。如：ThereisamajorproblemwithparkinginLondon.Whitmanisamajorpoet.Themajorpartofalittlebaby'slifeisspentinsleeping.Whatisyourmajor,EnglishorFrench?Phoebeisahistorymajor.Shemajoredinmathsandphysicsatuniversity.【拓展】majorityn.意为“大部分人，多数人”，多和the连用。如：Idisagreewiththemajorityonbothpoints.a/themajorityof...……的大多数beinthe/amajority构成多数，占大多数温馨提示1)major形容词，无比较等级，既不能和than连用，也不能与to连用。作定语，反义词为minor。2)a/themajority作主语时，谓语动词可用单数，此时强调一个整体；若强调其中各个成员时可用复数。【即学即练】写出下面句子中画线单词的词性及中文释义。1.Ageisamajorfactoraffectingchancesofemployment.________________2.Smokingisoneofthemajorcausesofcancer.________________3.IstudyChemistry,whilemytwinsisterisaFrenchmajor.__________________4.Lauraismajoringinpoliticalscience.________________形容词重要的形容词主要的名词某专业的学生动词主修3.processn.进程；过程[课文原句]Thisisaprocessthathappenswhenlandbecomesdesertbecauseofclimatechangesandbecausepeoplecutdowntreesanddigoutgrass.这是由于气候变化和人们伐树挖草，使土地变成荒漠化后产生的一种作用。【归纳】process既可作名词，也可作动词。★作名词时，意为：①过程；②工序。★作动词时，意为：①加工，处理；②审阅，审核；③（用计算机）处理。如：Gettingfitagainhasbeenalongslowprocess.Theyhavedevelopedanewprocessforproducingthismedicine.Twomillionworkersareprocessinggoodsforelectronicfirms.Itwilltakeaweekforyourpapertobeprocessed.Theinformationwillbeprocessedbycomputers.【拓展】●inprocess在进行中。如：Thosetwochangesareinprocessrightnow.●intheprocessofdoingsth.在做某事的过程中。如：Thecompanyisintheprocessofmovingtonewoffices.【即学即练】翻译下面句子。1.TeachinghimFrenchwasapainfulprocess.______________________________________2.Hernovelisintheprocessofbeingturnedintoatelevisionseries._______________________________________3.Howfastdoesthenewcomputerprocessthedata?_______________________________________教他法语是很吃力的事。她的小说正在被改编成电视连续剧。这台新计算机处理数据有多快?4.strengthn.力气，力量；强度；强项，长处[课文原句]TheChineseCentralWeatherStationcanforecastasandstormsomeweeksbeforeitarrivesinBeijing,butthestrengthofthestormsometimessurprisespeople.中国中央气象站能在沙尘暴到达北京前几周预报沙尘暴，但沙尘暴的力量有时很惊人。【归纳】strength意为：①力量，力气，体力；②优点，长处，优势；③浓度，强度；④人力，实力。如：Bettyhasspentherstrengthwithoutdoinganythinguseful.Mike'sstrengthasagenerallayinhisabilitytogaintherespectofhismen.Howisthestrengthofalcoholicdrinksmeasured?Whatisthetotalstrengthoftheenemyarmy?【辨析】strength,force,energy&power这几个词都有“力量”的含义，其区别在于：★strength指人的“体力，力气”。★force指物理意义上的“力”，也指“武力”。如：Theforceofthewindclosedthedoor.Thesoldierstooktheprisonersawaybyforce.★energy指人的“精力，活力”。如：ThemanagerlistenedcarefullytoJack'splanandadmiredhimforhisenergyandenthusiasm.★power可指人的某种能力，也可指机器的动力，还可指人、国家或某个机构的权力。如：Aftertheseriousdiseasehelostthepowerofspeech.Acarneedsalotofpowertogofast.Thepowersofapresidentaredefinedintheconstitution.5.complainv.抱怨；悲叹；发牢骚；控诉[课文原句]Hedoesnothingb