Unit7Thenaturalworld课件译林版八年级英语上册

Thenaturalworld主讲教师：马漂亮八上U7welcome011、Coralreefslooklikerocks,buttheysupportalotoflifeinjustasmallarea.珊瑚看起来像岩石，但它们在一块区域内维系着大量生命。support①vt维持，养活，支持，维护TheenvironmentofMarscouldnotsupportlife.②un支持supportfor…对。。。的支持with/withoutone’ssupport在某人的支持下/没有某人的支持insupportofsb/sth支持某人/某事

ShespokeinsupportofTom’splan.2、Thepolariceishometoanimalslikepolarbearsandpenguins.极地冰原是北极熊和企鹅等动物的家园。behometo是。。的栖息地/家园，是。。的所在地Thissmalltownishometothefamouspoet.athome在家里makeyourselfathome请随便,别拘礼makesomebodyfeelathome使某人感到宾至如归3、Yes,theclimateindesertsissoawfulthatonlyafewanimalsandplantscanlivethere.是的，沙漠的气候非常恶劣，只有少数动植物能够在那里存活。so…that…如此。。以至于。。。①so+adj/adv+that从句Itwasso

cold

outside

that

we

had

to

stop

the

game.②so+many/much/few/little(少）+n+that从句Therearesomanypeopleinthehallthatwecan’tfindaseat.③so+adj+a/an+cn单数+that从句Thisissodifficultaproblemthatfewstudentscanworkitout.such+n+that…reading021、Anecosystemincludesallthelivingandnon-livingthingsinanarea.生态系统包括一个区域内所有的生物和非生物。includevt①包括，包含Doesthepriceincludepastage（邮费）？②将。。列为。。的一部分，把。。算入Youshouldincludesomeexamplesinyourarticle.includedadj包括在内的，无比较级Everyonelaughed，meincluded.including介词包括包含在内Thewholefamilywilltoursomebigcities，includingBeijingandShanghai.1、Anecosystemincludesallthelivingandnon-livingthingsinanarea.生态系统包括一个区域内所有的生物和非生物。living①adj活着的，活的，现存的，在使用的livingthings生物Thelivingplantsmaketheroomlooknice.②生计，生活方式，活着的人makealiving谋生Sheearnsherlivingbysellinghandicrafts.non-livingadj非生物的，无生命的2、Itcoversaround71%oftheearth’ssurfaceandproducesabout70%oftheearth’soxygen.它覆盖了地球约71%的表面，产生了地球上约70%的氧气。around①adv大约=aboutWereachedBeijingaroundeighto‘clockinthemorning.②adv周围附近Icouldhearlaughter（笑声）allaround.③介词在。。周围，到处，围绕，绕着HeandhisparentsaregoingtotravelaroundBeijingthissummer.3、Itholdsplentyofsaltwater,andthewaterrisestothesky,fallsontothelandsandthenreturnstotheocean.它（海洋）容纳大量海水，水分升上天空，落到陆地上，然后流回海洋。holdvt（held，held）①容纳，包含Theclassroomcanholdover100students.②举行召开holdanevent/aparty/acompetitionholdthesportsmeeting举行运动会③拿着，握住Hewasholdinghisfather’shand.④使保持（在某位置），支撑。。的重量Holdyourheadup.3、Itholdsplentyofsaltwater,andthewaterrisestothesky,fallsontothelandsandthenreturnstotheocean.它（海洋）容纳大量海水，水分升上天空，落到陆地上，然后流回海洋。raise表示人为的某物上升，raisehands举手，提高价格raiseprice，养育孩子raisechildrenrise表示自然地上升，价格上涨pricerise，太阳升起thesunrisesrise（rose，risen）vi升起，增加，提高后不接宾语raise（raised，raised）vt抬起，举起，提起后接宾语3、Itholdsplentyofsaltwater,andthewaterrisestothesky,fallsontothelandsandthenreturnstotheocean.它（海洋）容纳大量海水，水分升上天空，落到陆地上，然后流回海洋。return①vi返回，回去，回来=come/gobackreturnfrom…从。。回来returntosp回到某地return不和back一起连用②vi恢复，重现Thereisachancethecancerwillreturn.③vt，回报，回应teturnasmile/greeting回报以微笑/问候Shephonedhimseveraltimesbuthewastoobusytoreturnhercall.④n回来，归来，返回Iwasabitboredaftermyreturnfromtheholiday.4、Thisgoesonandon,sotheoceanisjustlikethe“heart”oftheearth.这个过程循环往复，所以海洋就如同地球之“心”。goon①（情况，形式）继续下去，持续Wehopetheniceweatherwillgoonfortheweekendpicnic.②继续（做某事）goondoingsth继续做正在做的事goontodosth继续做另一件事③（灯）亮，通（电），开始运行（反义词gooff）Thelightgoeson.④（时间）流逝，过去Astimegoeson,wewillunderstandtheimportanceofhealth.⑤发生，进行What’sgoingonhere？5、Plantsinwetlandshelpgetridofpollutionandmakethewaterclean.湿地中的植物有助于去除污染，净化水质。getridof清除，摆脱Weshouldgetridoftherubbishintime.Iwanttogetridoftheseoldclothes.6、Wetlandscanalsohelppreventfloods.湿地还能帮助防洪。preventvt防止阻止preventsth预防/阻止某事/物Weshouldtakeactiontopreventpollution.prevent…fromdoingsth阻止。。。做某事Thesedifficultiesneverpreventedherfromfollowingherdreams.7、Duringheavyrains,wetlandsstorewaterlikegiantspongs.暴雨期间，湿地像巨大的海绵块一样储存水分。store①vt贮存，贮藏，保存Peopleoftenstorefoodinthefridgesummer.②vt存储，记忆storedata/information存储数据/信息③cn商店，储备，贮存物Iboughttwopensatthestore.astoreofwood木料储备8、Theyactlikethe“kidneys”oftheearth.它们就像地球之“肾”。act①vi充当，起作用，行动actas担任，充当，起。。。作用acttodosth采取行动做某事Thegovernmentshouldacttoprotecttheenvironment.②v扮演，表演actout将。。表演出来Ithinkheactedbettertonight.Let’sactoutthestory.③n表演者Heisthemosttalentedactinourclass.9、Forestsmakeupnearlyathirdoftheearth’slandarea.森林占地球陆地面积的近三分之一。makeup①形成，构成bemadeupof由。。组成/构成Theteamismadeupoftenplayers.②编造（故事，谎言等）Don’tmakethingsup.不要再编造了。③化妆Shespentanhourmakingupbeforegoingout.分数表达法：分子用基数词，写在前面，分母用序数词，写在后面。当分子大于一时，分母加s。onethirdthreefifths10、Plantstheretakeincarboondioxidefromtheairandproduceoxygen.那里的植物从空气中吸收二氧化碳并产生氧气。takein①吸收吸入Fishtakeinoxygenthroughtheirgills.②理解领会Ittookmeawhiletotakeinwhathewassaying.takedown拆除记录takeafter(外貌或行为）像（父或母）takeaway拿走拿开takeoff脱掉起飞takeout取出takeup开始做，占据11、Therefore，peopleoftencallforeststhe“lungs”oftheearth.因此，人们常把森林称之为地球之“肺”。thereforeadv因此所以Theweatherwasbad.Therefore,wedecidedtostayathome.12、WelcometoSciencewithDoctorTed.欢迎来到“泰德博士讲科学”。welcometo欢迎来到（某地）；欢迎参加（某活动）Welcometoourcity！welcome单独使用，表达欢迎之意。Welcome！Sitdown，please.13、Itplaysanimportantroleinslowingdownclimatechange.它在减缓气候变化方面发挥着重要作用。playarole发挥作用，有影响playarolein…在。。方面起作用/有影响Schoolsplayanimportantroleineducation.playtheroleof…扮演。。的角色Hewillplaytheroleofateacherinthemovie.slowdown(使）减缓；（使）减速；（使）慢下来Youshouldslowdownwhenyoudriveonawetroad.Slowdown,Youaretalkingtoofast.14、Sadly,we’refacingaseriousproblemwithoceanpollution.不幸的是，我们正面临着海洋污染这一严重问题。sadlyadv不幸地悲伤地moresadlymostsadlysadadjsadnessnSadly，hefailedtheexamagain.15、Therearemillionsoftonsofplasticintheoceanandit’sverydifficulttogetridofit.海洋中有数百万吨塑料，而且很难去除它。tonn吨tonsof许多，很多=alotof/

lotsofTherearetonsofbooksinthelibrary.16、Ifwedon’t,theplasticwillharmthebalanceoftheoceanecosystem.如果我们不这样做，塑料将会损害海洋生态系统的平衡。harm①vt伤害损害Hewouldneverharmanyone.②un伤害损害doharmto对。。有害Badlivinghabitsdoharmtoyourhealth.harmfuladj有害的harmlessadj无害的beharmful/harmlessto对。。有害/无害Juicecanbeharmfultochildren’steeth.grammar03一、动词以及基本句型（u7合并到u6）.1、有些及物动词后面可以跟两个宾语，通常情况下一个指人，一个指物，指人的叫间接宾语，指物的叫直接宾语。这类动词结构是：S+V+IO+DOHepassesmeanotebook.Hermotherboughtherasmallbed.Sheshowedussomephotos.=Sheshowedsomephotostous.2、有些及物动词后常跟宾语补足语，用来补充说明宾语的行为或状态等。这样的句子结构是：S+V+DO+OCThenewsmadetheoldwomansad.宾语补足语常由adj、n、介词短语、v-ing、v-ed、不定式等形式充当。二、并列连词and,but,or和so.Wearesinginganddancing.Doyougotoschoolbybusoronfoot?Becareful,oryouwillcutyourfinger.Itwaslate,soIwenthome.and和，又表示并列关系表示顺承关系but但是表示转折关系，所连接的成分在意义上往往相反或相对or或者表示选择关系否则表示与上文条件相反的结果so因此，所以表示因果关系，常用来连接两个简单句二、并列连词and,but,or和so.①表示“和”的意思时，and通常用于肯定句中，or用于否定句和疑问句中。但在否定句中，如果所连接的两部分都有否定词，则用and。Hedoesn’tlikeblackorblue.Therobothasnoeyesandnoears.②and和or还可以构成句型“祈使句+and/or+陈述句”，表示在以祈使句为条件下的假设或相反的假设，意为“。。。,就/否则。。。”Startoffnow,andyouwillseehim.Getupearlytomorrow,oryouwillmisstheearlytrain.③because和so不能连用。1、Quiteafewdesertplantsalsogiveanimalsfood.相当多的沙漠植物也为动物提供食物。quiteafew相当多，不少

用于修饰可数名词复数。Therearequiteafewstudentsplayingontheplayground.2、Thedeepoceanisn’twarm,brightornoisy.深海不暖和、不明亮，也不嘈杂。noisyadj充满噪声的，吵闹的ItwassonoisythatIcouldnothearmyselfspeak.noisen噪声makeanoise/makenoises制造噪声Wordpower041、Theoceanwaterisbecomingdirtierbecauseofdifferenthumanactivities.由于人类的各种活动，海水正变得更脏，这导致珊瑚慢慢地死亡。cause①vt使发生，造成，导致

尤指不好的事情=leadtocausesbtodosth使某人做某事Hisillnesscausedhimtomissthematch.②cn原因理由thecauseof…。。。的原因=thereasonforTheheavyrainisthecauseofhisbeinglate.2、What’smore,climatechangeisgreatlydamagingtheocean’senvironment.此外，气候变化极大地破坏着海洋环境。damage①v损害毁坏Severalcarsweredamagedintheaccident.②un损坏损失损害Thestormdidn’tdomuchdamage.Integration051、ZhalongNatureReserveisinHeilongjiangProvinceinthenorth-eastofChina.扎龙自然保护区位于中国东北部的黑龙江省。inthenorth-eastof在。。的东北部inthe+表方向的词+of表示方位结构Shenyangisinthenorth-eastofChina.east东west西south南north北south-east东南south-west西南north-west西北north-east东北BeijingisinthenorthofChina.2、Theareaprovidesfoodandcoverforalotofwildlife.这片区域为许多野生动物提供食物和栖息地。cover①unun躲避处，避难所，庇护所Everyoneranforcoverwhenitstartedtorain.②cn罩子盖子封面Thereisadustcoveroverthepainting.③vt范围为，占coveranareaof…占地面积为。。Itcoversanareaof14000squarekilometers.④vt覆盖掩盖cover…

withsth用某物把。。覆盖，becoveredwith..被覆盖⑤vt包括涉及Thebookcoverseightunits.3、ManybirdsliveinZhalongallyearround,whilesomegothereonlyforashortstay.许多鸟类常年栖息在扎龙，而有些鸟类去那里只是短暂停留。allyearround全年，一年到头Theweatherhereiswarmallyearround.alldaylong一整天全天allnightlong整夜，通宵allsummerlong整个夏天，一整个夏季4、Thiswillleadtolessspaceforwildlife.这将导致野生动植物的（生存）空间越来越少。leadto①导致=cause/

resultin/bring

aboutThiswillleadtomanyproblemsinthefuture.②leadvledled造成（后果），导致，领导，带领leadsbtodosth导致/促使某人做某事Eatingtoomuchsugarcanleadtohealthproblems.Thatledmetothinkthatthegirlwasill.leadern领导者5、Governmentscandothisbycreatinglawstostoppeoplefrom______onwetlands,toreducethenumberoftouristsvisitingthemandtomakesurevisitors___whiletheyarethere.政府可以通过制定法律来做到这一点，这些法律旨在阻止人们在湿地上_________、减少参观湿地的游客数量并确保游客在湿地时________。create①vt创建，创造，创作Theycreatedanewcompany.②vt造成引起产生（感觉或印象）They’vepainteditredtocreateafeelingofwarmth.creationcn创造物，作品un创造创作creatorcn创造者creativeadj有创造力的6、Theycansetup____tohelpkeepthewetlandsfreefrompollution,makesurethetouristsare_____whentheyvisitandplantwetlandtreestokeepthe_____balanced.他们可以成立_______来帮助保护湿地免受污染的危害，确保游客参观时______,并种植湿地树木以保持_____平衡。setup建立，创建，开办，设置，安装Theysetupanewschoolinthevillage.balancedadj①保持平衡的；均衡的abalanceddiet均衡饮食Natureisperfectlybalanced.6、Theycansetup____tohelpkeepthewetlandsfreefrompollution,makesurethetouristsare_____whentheyvisitandplantwetlandtreestokeepthe_____balanced.他们可以成立_______来帮助保护湿地免受污染的危害，确保游客参观时______,并种植湿地树木以保持_____平衡。②客观公正的abalancedreview一个客观公正的评论balancev使保持平衡n均衡平衡It’simportanttobalancecworkandlife.=It’simportanttokeepworkandlifeinbalance.unbalancedadj不持平的，失衡的anunbalanceddiet不均衡的饮食7、Well,weshouldnotthrowrubbishinforest.嗯，我们不应该在森林里扔垃圾。throwvthrewthrown扔掷投throwat向。。。扔（恶意，带攻击性）throwto扔给。。。（不含恶意）throwaway扔掉丢弃Don’tthrowittohim，passittohim！别扔给他，递给他！Pleasethrowawaytherubbishbeforeitstartstosmell.8、Volunteertohelp自愿提供帮助volunteer①v志愿做义务做volunteertodosth志愿做某事LastsummerIvolunteeredatalocalhospital.②cn志愿者Iwanttobeavolunteertohelpthehomelesspeople.voluntaryadj义务的志愿的dosomevoluntarywork做一些志愿工作9、Wecanhelpsolvetheproblems.我们能够帮助解决这些问题。solvevt解决解答

常跟problemHefinallysolvedtheproblem.solutionn解决方案重点词组和句型061half

of一半的。。。16makeup构成，形成2looklike看起来像17athirdof…三分之一的。。3between…and…在。。和。。之间18takein吸收，吸入4behometo是。。的栖息地19cleantheair清洁空气5so…that…如此。。以至于。。20millionsof数百万的，大量的6get…from…从。。得到/获取。。21talktosbaboutsth和某人谈论某事7allthelivingandnon-livingthings所有的生物和非生物22welcometo欢迎来到（某地）；欢迎参加（某活动）8beofdifferentsizes大小各异23produce…