2014八年级下册英语unit7全单元.ppt

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1、squaren.平方平方metern.米米deepadj.深的深的desertn.沙漠沙漠populationn.人口人口Asian.亚洲亚洲tourv.n.旅行旅行touristn.旅行者旅行者walln.墙墙amazingadj.令人大为惊奇的令人大为惊奇的ancientadj.古代的古代的wideadj.宽的；宽阔和宽的；宽阔和Do you know these interest places?QomolangmaQomolangmarunsalongtheborderbetweenChinaandNepal.Itiscoveredwithsnowalltheyearround.Its8

2、844.43high,thehighestintheworld.Its26kilometerslong.TheNileisthelongestriverintheworld.Itsmorethan6600kilometerslong.Itrunsthrough9countries,itsoneofthelargestriverflowsthroughtheinternationalstatesintheworldandrunsintotheMediterraneanSea(地中海地中海)intheend.TheNileThe Caspian SeaTheCaspianSeaisthebigge

3、stlakeintheworld.ItliesintheborderbetweenAsiaandEurope.TheSaharaisthebiggestdesertintheworld.ItislocatedinthenorthernAfrica,climateconditionsareverybad,isoneoftheearthsmostnotsuitableforbiologicalsurvival.The SaharaTheYangtzeRiveristhethirdlongestriverintheworld,thefirstAsianrivers.Its6211.31kilomet

4、erslong.TheYangtzeRiverBasin,east-westwidthof3219kilometers,about966kilometerswidenorth-south,passingthrough11provinces.ItrunsintotheEastSeainShanghaifinally.TheYangtzeRiverWhich is the highest mountain in the world?Which is the longest river in Asia?.1a Match the facts you know.Qomolangmaabout9,600

5、,000squarekilometersinsizeTheSahara1,025metersdeepTheCaspianSea6,671kilometerslongTheNile8,844.43metershighPracticeinpairslikethis:A:Whichistheinthe?B:8,844metershigh.8,844米高米高metershigh(long,wide)米高（长，宽米高（长，宽)。英语表示英语表示“有多长（宽，高有多长（宽，高）”时，时，一般一般将数词和数量单位放在表示长宽高的将数词和数量单位放在表示长宽高的形容词前作状语形容词前作状语。e.g.Thewa

6、llis1.7metreswide.A:HowhighisQomolangma?B:Its8,844metershigh.Thebiggestdesertintheworldisabout8,000,000squarekilometersinsize.HowbigistheSahara?Itsabout8,000,000squarekilometersinsize.1b Listen and complete the sentences.1.Qomolangmais_thananyothermountainintheworld.2.TheSaharais_desertintheworld.3.

7、TheCaspianSeais_ofallthesaltlakes.4.TheNileis_riverintheworld.higherthebiggestthedeepestthelongest2a Listen and number the facts(1-4)in the order you hear them.6,3005,0005,464300_TheYangtzeRiverisabout_kilometerslongandtheYellowRiveris_kilometerslong._Chinahasthebiggestpopulationintheworld.Itsalotbi

8、ggerthanthepopulationoftheUS._Chinaisover_yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_yearsold._ChinaisalmostasbigastheUS,butitisthebiggestcountryinAsia.42132b Listen again and fill in the blanks in 2a with the numbers in the box.6,3005,0005,464300_TheYangtzeRiverisabout_kilometerslonga

9、ndtheYellowRiveris_kilometerslong._Chinahasthebiggestpopulationintheworld.ItsalotbiggerthanthepopulationoftheUS.6,3005,464_Chinaisover_yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_yearsold._ChinaisalmostasbigastheUS,butitisthebiggestcountryinAsia.5,0003002c Make conversations using the i

10、nformation in 2a.A:DidyouknowthatChinaisoneoftheoldestcountriesintheworld?B:Yes,Idid.itsmucholderthanmycountry.A:DidyouknowthatYangtzeRiveristhelongestriverinChina?B:Yes,Idid.Its6,300meterslong.B:Wow!Thatslong!中国的长城共有近一万公里，东起河北秦皇岛的中国的长城共有近一万公里，东起河北秦皇岛的山海关，西到嘉峪关，这是明代修筑长城的两个最山海关，西到嘉峪关，这是明代修筑长城的两个最大关口，

11、北京境内的长城有大关口，北京境内的长城有600余公里，比较著名余公里，比较著名的有八达岭长城、金山岭长城、司马台长城、慕田的有八达岭长城、金山岭长城、司马台长城、慕田峪长城、居庸关长城和箭扣长城等。峪长城、居庸关长城和箭扣长城等。The Great Wall 2d Read the conversation and answer the questions:1.Whichisthebiggestman-madeobjectsintheworld？2.WhichisthemostfamouspartoftheMingGreatWall?TheGreatWall.Badalingpartofthe

12、wall.1.FellfreetoaskmeanythingontodaysGreatWalltour.在今天的长城游中，大家尽管问我任何在今天的长城游中，大家尽管问我任何问题，不要拘束。问题，不要拘束。fellfree是英语口语中一个常用表达是英语口语中一个常用表达。若。若有人让你有人让你feelfreetodosomething，就，就是是让你无需拘束，只管按照自己的意愿让你无需拘束，只管按照自己的意愿去做某事。去做某事。e.g.A:CanIuseyourbathroom?我可以用一下你的卫生间吗？我可以用一下你的卫生间吗？B:Yes,feelfree.可以，请随意。可以，请随意。asfa

13、rasIknow是一个固定的表达方是一个固定的表达方式，还可以说式，还可以说sofarasIknow，意思，意思是是“据我所知据我所知”。2.AsfarasIknow,therearenoman-madeobjectsasbigasthis.据我所知，再没有像它这样大的人造据我所知，再没有像它这样大的人造物体了。物体了。e.g.AsfarasIknow,Jacksgottwinsisters.就我所知，杰克有一对孪生姐妹。就我所知，杰克有一对孪生姐妹。Theyrenotcomingtoday,sofarasIknow.他们今天不来了他们今天不来了就我所知是这样的。就我所知是这样的。feelfr

14、eethemostpopularquestiontalkabouttheMingDynastytheancientemperorsthemainreasonasfarasIknowtheMingGreatWallHowlongisthewall?Itsabout8,850kilometerslong.Thismakesitthelongestwallintheworld.Itsthemostfamouspart.A:Tomemorizetheimportantphrasesandsentences.B:Tomakesomedialoguesaboutaskingthesizeofobjects

15、.Whichisthehighestmountainintheworld?WhichisthelongestriverinAsia?freezingadj.极冷的；极冷的；冰冻的冰冻的naturen.大自然大自然thickadj.厚的；浓的厚的；浓的1.achievementn.成就；成绩成就；成绩e.g.Wefeltagreatsenseofachievementwhenwereachedthetopofthemountain.当我们到达山顶的时候，我们有一种巨当我们到达山顶的时候，我们有一种巨大的成就感。大的成就感。2.achievev.达到；完成；成功达到；完成；成功e.g.Hewill

16、neverachieveanythingifhedoesntworkharder.如果他不加紧努力工作，他会一事无成。如果他不加紧努力工作，他会一事无成。3.southwesternadj.西南的；西南方向的西南的；西南方向的e.g.IsthisSouthwesternAirline?这是西南航空公司吗？这是西南航空公司吗？4.include v.包含；包括包含；包括e.g.Herhobbiesincludeswimmingandgardening.她爱好游泳和园艺。她爱好游泳和园艺。5.conditionn.条件；状况条件；状况e.g.Thepianowasingoodcondition.这

17、台钢琴状况良好。这台钢琴状况良好。6.takein吸入；容纳吸入；容纳e.g.Fishtakeinoxygenthroughtheirgills.鱼用鳃吸氧气。鱼用鳃吸氧气。7.succeedv.实现目标；成功实现目标；成功e.g.Ifyoutryhardyoullsucceed.你如果努力就会成功。你如果努力就会成功。常用短语：常用短语：succeedindoingsth.e.g.Policehavefinallysucceededinsolvingthemystery.警察最终成功破解了这个疑案。警察最终成功破解了这个疑案。8.challengev.&n.挑战；考验挑战；考验e.g.The

18、jobdoesntreallychallengehim.这项工作不能真正的考验他。这项工作不能真正的考验他。Thenewgovernmentsfirstchallengeistheeconomy.新政府面临的第一个挑战是经济问题。新政府面临的第一个挑战是经济问题。9.inthefaceof面对（困难、问题等）面对（困难、问题等）e.g.Inthefaceofdifficulties,hescompletelyunafraid.他在困难面前毫不胆怯。他在困难面前毫不胆怯。10.forcen.力；力量力；力量e.g.Thethieftookthemoneyfromtheoldmanbyforce.

19、窃贼用暴力抢了老人的钱。窃贼用暴力抢了老人的钱。WhatdoyouknowaboutQomolangma?TalkaboutQomolangmainpairs.自读文章，在书中划出重点、疑点后，翻自读文章，在书中划出重点、疑点后，翻译下列短语。先独立完成，后小组商议。译下列短语。先独立完成，后小组商议。1.1.最危险的山峰最危险的山峰 2.2.世界上最危险的运动之一世界上最危险的运动之一3.3.登山（名词短语）登山（名词短语）/（动词短语）（动词短语）themostdangerousmountainoneoftheworldsmostdangeroussportsmountainclimbin

20、g/climbmountains4.4.来自世界各地的登山者来自世界各地的登山者5.5.横亘于中国的西南边界横亘于中国的西南边界6.6.在所有的山峰中在所有的山峰中7.7.厚厚的云层厚厚的云层theclimbersfromallovertheworldrunalongthesouthwesternpartofChinaofallthemountainsthickclouds8.8.更为严重的困难更为严重的困难9.9.寒冷的天气状况和强劲的暴风雪寒冷的天气状况和强劲的暴风雪10.10.首次到达珠穆朗玛峰顶的人首次到达珠穆朗玛峰顶的人moreseriousdifficultiesfreezingw

21、eatherconditionsandheavystormsthefirstpeopletoreachthetopofQomolangmaRead the article and match each paragraph with the main ideas.Paragraph1spiritofclimbersParagraph2achievementsofclimbersParagraph3factsanddangers3aOneofthemost_sportsintheworldismountain_,andoneofthemost_placestogoforthisistheHimal

22、ayas.Theseextremelyhigh_attract_fromallovertheworld.Manypeoplesaythisisoneofthemost_partsoftheworld.According to the passage,fill in the blanks.dangerousclimbingpopularriskclimbersfamousTheHimalayas_alongthe_borderofchina.Ofallthepeaks(tops),Qomolangmaisthe_andmost_.Its_toclimbQomolangmabecausethick

23、clouds_thetopofthemountain.Evenmoreserious_includethefreezing_conditionsandthe_storms.runssouthwesternhighestfamousthehardestcoverdifficultiesweatherheavyThefirst_toreachthetopofQomolangmaTenzingNorgayandEdmundHillarydiditin1953.ThefirstChineseclimber_thetopin1960,andin1975,thefirst_didittoo.peopler

24、eachedwomanRead the article again,and answer the following questions.1.WhatamountainisHimalayas?2.WhyisitdangeroustoclimbQomolangma?3.WhendidthefirstChinesereachthetopofQomolangma?Itsoneofthemostpopularplacesformountainclimbing.Becausethickcloudscoverthetopandsnowcanfallveryhard.In1960.Read the arti

25、cle again and complete the chart.Paragraph1 Paragraph2Paragraph3Listtourdangersforclimbers.ListthreeachievementsListtourcomparisonsthickclouds1953TenzingNorgayandEdmundHillarywerethefirsttoreachthetopmostdangeroussport3bsnowcanfallveryhardfreezingweatherconditionsheavystormsThefirstChineseteamreache

26、dthetopin1960.ThefirstwomantosucceedwasJunkoTabeifromJapanin1975.Peoplecanchallengethemselvesinthefaceofdifficulties.Nevergiveuptryingtoachieveourdream.Humanscanbestrongerthantheforcesofnature.Answer the questions using information from the article.1.WherearetheHimalayas?2.HowhighisQomolangma?Inthes

27、outhwesternpartofChina.8,844.43metershigh.3c3.Whydosomanypeopletrytoclimbthismountaineventhoughitisdangerous?4.Whatdoesthespiritoftheclimberstellus?Becausepeoplewanttochallengethemselvesinthefaceofdifficulties.Weshouldnevergiveuptryingtoachieveourdreams.1.Oneoftheworldsmostdangerous2.sportsismountai

28、nclimbing,“oneof+the+形容词的最高级形容词的最高级+复数复数名词名词”，意为，意为“最最之一之一”。如：如：MissWangisoneofthemostpopularteachersinourschool.王老师是我们学校最受欢迎的老师之一。王老师是我们学校最受欢迎的老师之一。2.Itisalsoveryhardtotakeinairasyougetnearthetop.Itis+adj.+todosth.，it作形式主语作形式主语放在句首，而把真正的主语放在句放在句首，而把真正的主语放在句尾。常用于此句型的形容词有尾。常用于此句型的形容词有important，diffic

29、ult，dangerous，necessary，useful，possible等，用等，用来对来对todosth.进行说明。此句型可以进行说明。此句型可以转换成转换成Todosth.is+adj.。3.Evenmoreseriousdifficultiesincludefreezingweatherconditionsandheavystorms.difficulty既可作可数名词也可作不可既可作可数名词也可作不可数名词。数名词。e.g.ItisimportanttostudyEnglishwell.学好英语很困难。学好英语很困难。ItsverydifficulttoclimbQomolang

30、ma.攀登珠穆朗玛峰很难。攀登珠穆朗玛峰很难。作可数名词时通常用复数，表示具体概作可数名词时通常用复数，表示具体概念，即：各式各样的念，即：各式各样的“困难，难题，难困难，难题，难事事”，如：如：Heshavingfinancialdifficulties.他正手头拮据。他正手头拮据。作不可数名词时，译作作不可数名词时，译作“困难，艰难，困难，艰难，幸幸苦苦”，如：如：Shehadgreatdifficultyinunderstandinghim.她很难理解他说的话。她很难理解他说的话。4.Thespiritoftheseclimbersshowsusthatweshouldnevergive

31、uptryingtoachieveourdreams.giveup意为意为“放弃放弃”，后面可以接名，后面可以接名词、代词或词、代词或v-ing形式作宾语。形式作宾语。注意：注意：如果其宾语是名词，那么名词可如果其宾语是名词，那么名词可以放在以放在give和和up之间，也可以放在之间，也可以放在up之后；如果其宾语是代词，那么代词只之后；如果其宾语是代词，那么代词只能放在能放在give和和up之间之间。如：。如：Myunclewantstogiveupdrinkingwine.我叔叔想戒酒。我叔叔想戒酒。AlthoughEnglishisnteasytolearn,Iwontgiveitup.

32、虽然英语不易学，但我不会放弃。虽然英语不易学，但我不会放弃。5.Whydosomanypeopletrytoclimbthismountaineventhoughitisdangerous?eventhough用作从属连词，意为用作从属连词，意为“即使；即使；尽管尽管”，相当于，相当于evenif，引导让步状语从，引导让步状语从句，一般不与并列连词句，一般不与并列连词but连用连用。如：。如：Mr.Wangwillcomeontimeeventhoughitrains.尽管下雨，但王老师会按时来。尽管下雨，但王老师会按时来。theNiletheYangtzeRivertheYellowRive

33、r6,6706,3005,500TheYellowRiverislong.TheYangtzeRiverisalot_thantheYellowRiver.TheNileis_ofall.longerthelongestMake sentences using the information in the forms.TheYangtzeRiverisnot_long_theNile.=TheYangtzeRiverisnot_thantheNile.asaslongertheNiletheYangtzeRivertheYellowRiver6,6706,3005,500MountTaiish

34、igh.MountHuangisalittle_thanMountTai.Qomolangmais_ofall.MountTaiisnot_high_Qomolangma.=MountTaiisnot_thanQomolangma.higherthehighestasashigherQomolangma MountHuangMountTai8,8481,8641,5451.ThepopulationofSingaporeislarge.2.ThepopulationofMalaysiaismuch_thanthatofSingapore.3.ThepopulationofChinais_ofa

35、ll.SingaporeMalaysiaChina4,000,00020,000,0001300,000,000largerthelargest4.ThepopulationofSingaporeisnot_large_thatofChina.5.ThepopulationofSingaporeisnot_thanthatofChina.aslargerasSingaporeMalaysiaChina4,000,00020,000,0001300,000,000Retellthearticle,thenpreviewtheGrammarfocus.weigh v.称重称重adult n.成人成

36、人 adj.成年的成年的bamboo n.竹子竹子endangered adj.濒危的濒危的research n.&v.调查；研究调查；研究keeper n.饲养员饲养员awake adj.醒着醒着excitement n.激动激动illness n.疾病疾病artwork n.插图插图wild adj.野生的野生的government n.政府政府Compare facts about these two animals.Use the language in the box to help you make sentences.1aElephantis350cmtallweighs5,00

37、0kiloseats150kilosoffoodadayPandais150cmtall(standingontwolegs)weighs100kiloseats10kilosoffoodadayExample sentences:Thiselephantweighsmanytimesmorethanthispanda.(200cmtaller/shorter,weighmuchmore/less,eatmuchmore/less,eatmanytimesmore)大熊猫最奇特的一点是大熊猫最奇特的一点是新生儿在出生时相当的新生儿在出生时相当的不成熟，体重仅是它母不成熟，体重仅是它母亲体重的亲

38、体重的0.1%，平均为，平均为145克左右，约为成年克左右，约为成年的千分之一。照顾孩子的千分之一。照顾孩子是一项非常艰巨的任务，是一项非常艰巨的任务，通常历时通常历时18个月，有时个月，有时长达两年，直到她的下长达两年，直到她的下一个孩子出生。一个孩子出生。大象是现存世界最大的大象是现存世界最大的陆栖动物，主要外部特陆栖动物，主要外部特征为柔韧而肌肉发达的征为柔韧而肌肉发达的长鼻和扇大的耳朵，具长鼻和扇大的耳朵，具缠卷的功能，是象自卫缠卷的功能，是象自卫和取食的有力工具。象和取食的有力工具。象肩高约肩高约2米，体重米，体重37吨。吨。非洲象耳大，体型较大，非洲象耳大，体型较大，体重较重。亚洲

39、象耳小，体重较重。亚洲象耳小，身体较小，体重较轻。身体较小，体重较轻。Listen and check()the numbers you hear.1001620501200.10.21501bListen again and complete thesentences.1.Atbirth,ababypandaisabout_to_kilos.2.Atbirth,ababypandaisabout_cmlong.3.Ababypandaisnotblack.Itis_andithasno_.4.Apandacanliveupto_to_years.0.10.215pinkteeth20301c

40、Take turns telling your classmates about pandas.A:Ababypandacannotsee.B:Anadultpandaweighsmanytimesmorethanababypanda.1dHere are some facts about koala,use the information above to make sentences.Koalais75cmtallweighs10kiloseatsleavessleeps20hoursadayTalk about pandas in your class.Use these words t

41、o help you.2abig,bamboo,zoo,popular,cute,blackandwhite,Sichuan,famous,endangered,beautiful,forest,protectThismeansmovingyoureyesquicklydownthepagetofindspecificinformation.略读时，只需读每一段第一句话（较长的略读时，只需读每一段第一句话（较长的段落，读前两句）。段落，读前两句）。第一句话常是整段讨论的第一句话常是整段讨论的主题。在结论段，重点可能在最后一句。主题。在结论段，重点可能在最后一句。阅读阅读时，把文本标出来，是帮助

42、回答问题好方法。时，把文本标出来，是帮助回答问题好方法。可将关键词画线或在段落旁写下本段主题，一可将关键词画线或在段落旁写下本段主题，一两个字就够了，关键在于涵盖全文的速度。两个字就够了，关键在于涵盖全文的速度。略读时遇到不懂单词，试观察前后字来猜略读时遇到不懂单词，试观察前后字来猜出意思。比如，在不懂的单字前面是形容词，出意思。比如，在不懂的单字前面是形容词，那么这个字可能会是名词；在不懂的单字之前那么这个字可能会是名词；在不懂的单字之前是副词，那么这个字可能会是动词。只要了解是副词，那么这个字可能会是动词。只要了解段落大意就好了。段落大意就好了。Scan the article to fi

43、nd out what these numbers mean.10,12,200,20002bScan the article again and write short answers to the questions.1.WhatisLinWeisjob?2.Whatdothebabypandaseatforbreakfast?3.Whatdoadultpandaseat?Apandakeeper.Milk.Bamboos.2c4.Whyarepandasendangered?5.Whatisonewayofsavingpandas?Lessforestforpandastolive.Te

44、achingchildren.Complete the sentences using words and phrases from the passage.1.Thepanda_attheChengduResearchBaseareawakeveryearlyinthemorningto_breakfastforthebabypandas.keepersprepare2.Adultpandasdonothavebabiesvery_,andsomeofthebabiesonlyliveforashorttimebecauseof_.oftenillnesses2d4.Aspecialprog

45、raminChengduteaches_aboutwhypandasare_andhowtosavethem.endangered5.The_isalsohelpingtosavethepandas.Its_moretreestomakemorehomesforthepandas.Chinesegovernmentnecessarytoplant3.Anotherreasonforfewerandfewerpandasisbecausepeoplearecuttingdown_sopandashavefewerplacestolive.treeschildrenDiscuss what oth

46、er ways you think children can help to save the pandas.2eprepareforbeawakerunoverfallovertakecareofplaywithonesownbespecialtosb.everytwoyearsdiefromillnessspendtimedoingsth.cutdownaneducationprogramendangeredanimalsthewaytointhefuture1.Atbirth,ababypandaisaboutbirthv.出生出生atbirth出生时出生时e.g.Mansnaturea

47、tbirthisgood.人之初，性本善。人之初，性本善。givebirthto生（孩子）；产生生（孩子）；产生e.g.Myauntgavebirthtoabeautifulbabygirlyesterday.昨天我婶婶生下一个漂亮的小女孩。昨天我婶婶生下一个漂亮的小女孩。2.Apandacanliveupto20to30years.upto到达（数量，程度等）；不多于到达（数量，程度等）；不多于e.g.InsomeareaofAfrica,childrengeteducatedupto12yearsold.在非洲的一些地区，孩子最多受教在非洲的一些地区，孩子最多受教育到育到12岁。岁。3.t

48、heyrunoverwithexcitementandsomeofthemevenwalkintotheirfriendsandfallover!runover跑上前去跑上前去overadv.穿越；从穿越；从的一边到另一边的一边到另一边e.g.Sheranovertosayhello,butIdidntrecognizeher.她跑过来打招呼，但我没有认出她她跑过来打招呼，但我没有认出她来。来。walkinto（走路时意外）撞上（走路时意外）撞上e.g.Ashewasthinkingtoodeeplyandnotplayingattentiontowherehewasgoing,hewalke

49、dstraightintoatree.由于他陷入深思，没有注意看路，径由于他陷入深思，没有注意看路，径直撞到了一棵树上。直撞到了一棵树上。fallover摔倒；倒下摔倒；倒下e.g.Dontruntoofast,oryoumightfallover.别跑的太快，要不你会摔跤的。别跑的太快，要不你会摔跤的。falloversomething被某物绊倒被某物绊倒e.g.Tommyfelloverthedogandbrokehisfrontteeth.Tommy被那只狗绊了一跤，磕断了被那只狗绊了一跤，磕断了门牙。门牙。4.Scientistssaytherearenowfewerthan2,000

50、pandaslivingintheremainingforests.livingintheremainingforests是一个现在是一个现在分词短语，用做定语，修饰分词短语，用做定语，修饰pandas。e.g.thegirlssingingunderthetree树下唱歌的女孩们树下唱歌的女孩们thewomenwashingclothesbytheriver河边洗衣服的女人们河边洗衣服的女人们1.cmtaller/shorter2.much/even/alittle/less+比较级比较级3.timesmorethan.4.Talkabouthowtoprotectpandas.Make a