八年级下册八年级下第七单元复习课课件

RevisionlessonUnit7赵建新一.填写英语单词或汉语_____________n.平方；正方形___________n.米；公尺______________adj.深的；纵深的____________n.沙漠______________n.人口；人口总量n.亚洲__________n./adj.旅游；旅行___n旅行者______________n.墙____adj.古代的；古老的squaremeterdeepdesertpopulationAsiatourtouristwallancient_____________v.保护；防护__________adj.宽的；宽阔的______________n.成绩；成就___________adj.厚的；浓的____________v.包括；包含______________n.条件；状况____________v.实现目标；成功___________n.力；力量____________v.完成；成功__________n.自然界；大自然____________n.大海；海洋____________v.重量是……称……的重量protectwideachievementthickincludeconditionsucceedforceachievenatureoceanweigh________n.出生；诞生_______adj.成年人的；成人的n.成年人；成年动物____________n.竹子___________n./v.研究；调查_________n.饲养员；保管人___________adj.醒着____________adj.激动；兴奋___________n.疾病；病________adj.野生的______________n.政府；内阁____________n.保护；保卫______adj.巨大的；极多的birthadultbambooresearchkeeperawakeexcitementillnesswildgovernmentprotectionhuge二.重要短语再现1.（可以）随便（做某事）__________________2.就我所知________________3.吸入；吞入（体内）________4.面对（问题；困难）________________5.即使；虽然_________________________6.出生时_____________7.至多有；不多于____________8.走路时撞着____________9.大约_________10.为……做准备__________________feelfreeasfarasIknowtakeininthefaceofeventhough=evenifatbirthuptowalkintoorsoprepare…for11.照顾；照料______________12.砍倒______________13.achieveone’sdream____________14.fallover_________15.diefrom________16.doresearch_________takecareofcutdown实现梦想绊倒死于做调查三.大数字的表达方法1.Hundred(百),thousand（千）,million（百万）,billion.（十亿）2.“几百几十几”的表达：百位数和十位数之间用and连接，书写时十位数与个位数之间要有连字号。3.千位数以上的数字，从个位向高位数每三位数加一个逗号，第一个逗号读作thousand,第二个逗号读作million第三个逗号读作billion。4.当前有具体数词修饰时，这些词后不加s，也不能带of。当用这些词表示约数时，前面不能有具体数词修饰，它们用复数形式，后面接of。hundredsof好几百，成百上千；thousandsof好几千，成千上万。Exercise用英语表示下列数字354_________________________7,896___________________________________1,247,308_______________________________________________________________threehundredandfifty-fourseventhousandeighthundredandninety-sixonemilliontwohundredandforty-seventhousandthreehundredandeight四.形容词的比较级和最高级形容词比较级和最高级的变化规则单音节词和部分双音节形容词1).一般情况下，词尾加-er或-est。2).以e结尾的，词尾加-r或-st。3).以辅音字母加y结尾的，变y为i再加-er或-est。4).以重读闭音节结尾，词尾只有一个辅音字母的，双写这个辅音字母再加-er或-est。大部分双音节词和所有的多音节形容词在形容词前加more或most。不规则形容词的比较级和最高级需记清。给出下列形容词的比较级和最高级形式。1.high___________________2.large___________________3.heavy____________________4.big________________5.thick________________6.good/well______________7.many/much_________________8.important_________________________higherhighestlargerlargestheavierheaviestbiggerbiggestthickerthickestbetterbestmoremostmoreimportantmostimportant形容词比较级的句型结构(两者比较)1.比较级＋than＋比较级对象（比较对象属同类）2.比较级＋than＋anyother＋单数名词（同范围比较）3.同级比较：1).as…as…与……一样2).notso/as…as…不及……;不如……4.the＋比较级，the＋比较级越……,越……5.比较级and比较级越来越……6.Which/who＋be＋比较级，AorB?7.比较级范围是ofthetwo…时，比较级前要加the。8.比较级前可用much,alittle,even等修饰。形容词最高级的句型结构(多者比较)1.主语＋be＋the＋形容词最高级＋in/of范围意思为“在范围内最……”。2.the＋序数词＋形容词最高级意思为“第几最……”。3.oneofthe＋形容词最高级＋名词复数意思为“最……之一”。形容词最高级前通常加点冠词the。但其前面若有物主代词、指示代词和名词所有格等修饰时，不再加定冠词the。Exercise用所给词的适当形式填空1.Myroomis__________(big)thanyours.2.Chineseisas____________(important)asEnglish.3.Tomismuch__________(tall)thanhissister.4.There’s______(little)foodintheplatethaninthatone.5.Whohas_______(many)stamps,LilyorLucy？6.TheYellowRiveristhesecond___________(long)riverinChina.7.MaYun,headofAlibaba,isoneof_____________(rich)peopleintheworld.8.Whois_________________(thin)inyoufamily.9.Themorefoodyoueat,the_________(fat)youare.biggerimportanttallerlessmorelongesttherichestthethinnestfatter五.单词适当形式填空SectionA3aOneoftheworld’smostdangeroussportsismountainclimbing,andoneof________________(popular)placesforthisistheHimalayas.TheHimalayasrunalongthe(southwest)partofChina.Ofallthemountains,Qomolangmarisesthehighestandisthemostfamous.Itis8,844.43metershighandit’svery(danger)toclimb.Thickcloudscoverthetopandsnowcanfallveryhard.Evenmoreserious____________(difficulty)includefreezingweatherconditionsandheavystorms.Itisalsoveryhard(take)inairasyougetnearthetop.themostpopularsouthwesterndangerousdifficultiestotakeThe___(one)peopletoreachthetopwereTenzingNorgayandEdmundHillaryonMay29,1953.ThefistChineseteamdidsoin1960,whilethefirstwomantosucceedwasJunkoTabeifromJapanin1975.Whydosomany_____(climb)risktheirlives?_____(one)ofthemainreasonsispeoplewanttochallengethemselvesinthefaceofdifficulties.Thespiritoftheseclimbersshowsusthatweshould___(ever)giveuptryingtoachieve___(we)dreams.Italsoshowsthathumanscansometimes(be)strongerthantheforcesofnature.firstclimbersOneneverourbe