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1、PartVLesson3WhiteBikesontheRoad学习目标话题语境绿色生活与环保课时词汇therefore,disappear,tracking,destination常用短语comeupwith,thanksto,putforward重点句式beallowedtodosth.单元语法构词知识：词性转换%川川川勿川勿勿勿W川出出出川I川川出川川川川川1川川,EJ国窃明Mlaif辟犯I三三三三三三三三三三三单词巧练写准记牢I.核心单词练习：请根据所给的词性和词义写出单词1.vi.消失，不见2.n.跟踪3.n.目的地；终点4.n.(车辆等的)停放5.adv.因此；由此6.n.小径，小道
2、II根据下列汉语，写出本课时的英语短语1.被允许做某事2 .回到3 .幸亏4 .享受的好处5 .尝试不同的方法6 .对方便7 .大量8 .受欢迎9 .想出，想到“川川川川川川川川卅川川川川川川川川川川川川川川川川川h0Q0*I要1点1讲解11三三三三三三三三三A第一版块：重点单词1. thereforeadv,因此；由此(教材Pae)Amsterdamisagoodcityforcyclingbecauseit,sflatandthereforeconvenientforbikes.阿姆斯特丹是个适合骑行的城市，它地势平坦，因此方便骑行。用法归纳副词，意为“因此；所以”。在句中作插入语时，后面
3、才有逗号。如：He,therefore,feltunabletowelcomeherintotheparty.因此，他感觉不能够欢迎她来参加这个派对。(2)当引导或连接一个分句时，后面没有逗号Itwashereyesterday,thereforeitcannotbelost.(3) therefore前没有and时，前面用分号Hewasbusy,andthereforecannotcome.Hewasbusy;thereforehecannotcome.(4)在口语中很少用therefore,正常用that*swhy(5)正式文体中，therefore可以和because,as相应使用Bec
4、auseheisyoung,hethereforeneedsmoresleep.即学即练单句语法填空/同义句转换TheSummerPalaceisworthavisit.,Iplantohavealookatitthissummerholiday.Exercisingisofgreatbenefittobothourphysicalandmentalhealth,andyoushouldworkoutregularly.Cyclingisactuallyagoodkindofexercise.Asaresult,IgocyclingwithmyfriendseverySunday.-CyCli
5、ngisactuallyagoodkindofexercise.,IgocyclingwithmyfriendseverySunday.名师点拨：(1) thereforead因此，正式用词，表示严密的推理。(2)so因此，常用于会话和日常文体中，推论不必严密。2. disappearvi.消失，不见(教材Pa?)Soonafter,however,problemscameupandthe“whitebikeswalldisappeared-thievesstolethemallinamatterofweeks!然而不久就出了问题，“白色自行车”全都消失了，小偷在几周内偷光了所有的车！合作探究
6、体会disappear的用法和意义Manybeautifulfisharefastdisappearingbecauseoftheseverepollution.因为污染严重，许多美丽的鱼类正在快速绝种。HcdisappearedintotheClark.他消失在黑暗中。Iwatchedherdisappearfrommyhorizon.我看着她从我的视线消失。ThesundisappearedbehindtheCIOUdS.太阳消失在云丛后面。用法归纳disappearbehind/into消失在后/中disappearfromsight/view从视线中消失即学即练单句语法填空/完成句子T
7、hetraindisappearedviewandIknewmybestfriendwouldnevercomeback.(2)Theimageshowsthegas,dust,andstarsthatswirlaroundtheblackholebefore(disappear)intoit.(3)Bythe1920s,wolveshadpractically(disappear)fromtheYellowstonearea.(他们的误解消除了)afteralongtalk.ShCwasamazedthatthecreaturesuddenly(从视线中消失了).Thecarfinally(
8、消失在黑暗中).词语拓展：appearancen.出现；外表disappearancen.消失名师点拨：(l)dis是否定前缀，表示“不，非,相反，如disabled(残疾的),disagree,dislike,disappear,dishonest,discourage(使灰心)，disadvantage等。(2)appear的系动词用法：看起来，显得，似乎sb.sth.appearsadj.作表语sb.appearstosb.+adj.作表语e.g.HCappearedquiteWeIL他看来挺健康。=Helookedquitewell.Iappeartoyourichandfortuna
9、te.在你看来我似乎又富有又幸运。(3)Itappearstometobeamistake.=Itseemstometobeamistake.在我看来这似乎是个错误。3. trackingn,跟踪(教材P37)In1999,thewhitebikeswreturnedtoAmsterdamthistimewithacomputertrackingsystemtorecordtheireverymove!1999年，”白色自行车”回到了阿姆斯特丹，这次车安装了电子跟踪系统以记录它们的“一举一动”！用法归纳(1) thetrackingsystem跟踪系统(2) trackn.轨道，铁轨；足迹，痕
10、迹；车辙；跑道V.跟踪；追踪trackdown追踪到，追查到keep/losetrackof了解/不了解的情况beontheright/wrongtrack思路正确/错误trackandfield田径；田径运动即学即练单句语法填空/完成句子Thereissomethingwrongwiththe(track)system.(2)Tocarryouttheresearch,we(track)4,000speciesofmammals,birds,reptiles,fishandamphibianswithinthreeyears.(3)Asadoctor,Brookshastokeeptrack
11、thelatestdevelopmentsinmedicine.(3)That,snottheanswerbutyou*retherighttrack.Ifinditdifficultto(了解的情况)myoldfriendnow.Ive(不记得)howmanycartoonbooksmyparentsboughtformewhenIwasinkindergarten.Hesmadeagoodscorein(田径运动项目).名师举例：trackvt.追踪；跟踪(I)Thehuntertrackedthedeerandkilledit.猎人追踪那只鹿，并射杀了它。(2) Theytrackedt
12、heplanebyradar.他们用雷达追踪那架飞机。(3)Noeffortsmustbesparedintrackingdowntheleakofinformation.必须尽一切努力查出消息是如何泄漏的。4. destinationn.目的地；终点(教材P37)Thuspeoplewhowantedtousethemhadtotakethemtoanotherspecialparkingplaceneartheirdestinationandleavethemthere.因此，使用者到达目的地之后，必须将自行车停放到附近的专用停车场。用法归纳ourfinaldestination我们的最终
13、目的地arriveat/reachonesdestination到达目的地apopularholiday/touristdestination一个受欢迎的度假/旅游目的地即学即练单句语法填空WithmanyChinesenowtravellingabroadforSpringFestival,theirchoiceof(destination)hasexpandedalongwiththeirgrowinginterestinforeignculturesandservices.(2)Yangshuoisnamedasoneofthetop10(destination)intheworld.5
14、. benefitn.利益，好处有益于；有助于；得益于；得利于用法归纳benefitsb.sth.对某人/物有益benefitfrom/by从中获益；得益于AbenefitB=BbenefitfromA为了某人的利益forthebenefitofsb.forone*sbenefitbeofbenefitto对有益处havethebenefitof得益于bebeneficialtosb.sth.对某人/某物有益即学即练单句语法填空/完成句子ASweknow,booksarethesourceofknowledge.Ibenefitagreatdealreading.(2)IfIamluckyen
15、oughtobeelected,Iwillmakeeveryefforttoservethebenefitsofstudentsandourclub.(3)ItissaidthatYogaisofgreatbenefithumanhealth.众所周知，骑自行车对健康和环境都有益。Asweallknow,cyclinghealthandtheenvironment.我希望你将从我的建议中受益。Ihopeyoumysuggestions.为了全体公民的利益，中国一直在推进公立医院的改革。Chinahasbeenpushingthereformofpublichospitalsallitscitizens.词汇发散：1. forthebenefitofsb.=forthegoodofsb.forone,sbenefit=foronesgoodbeofbenefittosb.=dogoodtosb.2. getb
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