Unit6Earthfirst阅读教材P68－69中的材料，选出最佳选项1．Whatisreallygreen?A．Papershoppingbagsarebetterthanplasticones.B．Removethepowerplugsupply，anditstopsusingpower.C．Eatinglocalfoodisgoodfortheenvironment.D．It'sbettertotakeashowerthanabath.2．Whyarepeopleadvisedtotakeareusablebag?A．Becauseplasticbagscauseenvironmentalproblems.B．Becauseplasticbagsaredifficulttoproduce.C．Becausepaperbagsareadangertowildanimals.D．Becausetheprocessofmakingpaperbagsismorecomplicated.3．What'sconnectedwithenergysaving?A．Eatinglocalfood.B．Eatingtransportfood.C．Producingfoodbyourselves.D．Usinglessenergyduringfoodproduction.4．Whichwayofthefollowingissavingenergy?A．Tospend8minutestohaveabath.B．Totakeashowermorethan8minutes.C．Totrytotakeabathinsteadofashower.D．Tokeepyourshowertimeasshortaspossible.[答案]1－4BADDWordsandPhrasesdevotev．致力，献身，倾注(教材P65)Now，sheisamodelandperformanceartistdevoted/devotingtooceanconservation.现在，她是一名致力于海洋保护的模特和行为艺术家。[例1]Heisdeterminedtodevotehislifetoscience.他决心把毕生精力贡献给科学事业。[例2]Iwanttobeateacherverymuchanddevotemyselftoteaching.我很想当老师，一生致力于教学工作。[造句]你必须专心于工作。Youmustdevoteyourattentiontoyourwork.[知识拓展](1)devoteone'slife/time/energyto(doing)sth.把某人的生命/时间/精力献给……devoteoneselfto致力于；献身于；专心于(2)devotedadj.挚爱的；忠实的bedevotedto(doing)sth.献身于；专心致志于(3)devotionn.奉献；忠诚[即学即练]单句语法填空①Healwaysdevoteshisattentiontohelping(help)thehomelesschildren.②Devoted(devote)tohisresearch，healmostforgoteverythingabouthimself.③Weappreciatedhisdevotion(devote)totheproject.[小片段助记]Theoldscientistisdevotedtostudyingspace，andthespiritofdevotiondeserveslearningfrom.Hesaidhewouldgoondevotinghimselftothesciencefield.reserven．(野生生物)保护区；贮存v．保留；贮存；预订(教材P65)HellofromSanjiangyuanNationalNatureReserve(SNNR)．你好，这里是三江源国家自然保护区。[例1]Afriendcanbeareserveofhelpintimesoftrouble.朋友可以在困难的时候提供帮助。[例2]Theseseatsarereservedforspecialguests.这些座位是留给贵宾的。[造句]为了保护野生动物，应该多建立野生动物保护区。Toprotectwildanimals，morewildlifereservesshouldbesetup.[知识拓展](1)withoutreserve毫无保留keepsth.inreserve保存某物以备用(2)reservesth.forsb.为某人预留某物reservetherighttodosth.保留做某事的权利[即学即练]单句语法填空①Whentalkingtoafriend，weshouldbefrankwithoutreserve.②Wealwayskeepsomemoneyinreserve，justincase.③Adoubleroomwithabalconyhasbeenreservedforhim.damagev．&n．破损，损害，损伤(教材P65)Inrecentyears，wehaveseenlargeareasofwetlandthatweredamagedbyhumanactivity.近年来，我们看到大片湿地被人类活动破坏。[例1]Manybuildingsandcarshavebeendamagedintheexplosion.许多大楼和汽车在这次爆炸中受损。[例2]Thestormdidagreatdealofdamagetotheoldhouses.暴风雨给那些旧房屋造成了很大损坏。[造句]吸烟会损害你的健康。Smokingcandamageyourhealth.[知识拓展]sufferdamage遭受损坏do/causedamageto给……造成损坏[即学即练]单句语法填空①Manybuildingsandroadsweredamaged(damage)badlywhentheheavysnowstruckthatcity.②Theearthquakebrokeatmidnight，causinggreatdamagetothecity.[名师点津]damage指部分性“损坏，破坏”，一般可以修复；而destroy指彻底地“毁坏，破坏”，一般不能或很难再修复。(教材P65)We'vealsoseendroughtsandfloodscausedbythesechanges，whichaffectthewatersupplydownstream.我们还看到了由这些变化引起的干旱和洪水，这些变化影响了下游...
