Unit7课堂讲义河北省衡水人教版八年级英语下册

Unit7What'sthehighestmountainintheworld？【教学目录】掌握本单元重要词汇掌握本单元重要短语重要语法【教学详解】一、重要词汇1.deep（adj）深的【拓展】depth（n）深2.population（n）人口【拓展】对人口提问用What3.Asia（n）亚洲【拓展】Asian4.ancient（adj）古代的5.protect（v）保护【拓展】protect……from……6.wide（adj）宽的【拓展】width（n）宽7.achievement（n）成就【拓展】achieve（v）成就8.succeed（v）成功【拓展】succeedindoingsth成功做某事Success（n）成功successful（adj）成功的9.freezing（adj）冰冷的【拓展】froze（过去式）frozen（过去分词）10.nature（n）自然【拓展】natural（adj）自然的11.weigh（v）称体重【拓展】weight（n）体重12.Birth（n）出生【拓展】givebirthto生孩子13.awake（adj）醒着【拓展】wake（v）醒来Wakeup唤醒二、重要短语归纳1.feelfree2.AsfarasIknow3.inthefaceof4.takein5.eventhough6.ThePacificOcean7.atbirth8.upto9.walkinto10.fallover11.orso三、重要语法归纳形容词和副词的比较级和最高级1.概述英语中的形容词和副词有三个等级，即原级、比较级和最高级。比较级主要用于两者进行比较，最高级主要用于三者或三者以上进行比较。2.比较等级的构成(1)通过在结尾加er或est构成。①单音节词和部分双音节词在结尾加er或est构成比较级或最高级:例:talltallertallestfastfasterfastest②若原级以字母e结尾，则只加r或st构成比较级或最高级:例:finefinerfinest③若原级以“辅音字母+y”结尾，则应将y改为i再加er或est构成比较级或最高级:例:drydrierdriest④若原级以重读闭音节结尾，且末尾只有一个辅音字母，则先双写这个辅音字母再加er或est构成比较级或最高级:例:bigbiggerbiggest(2)通过在其前加more和most构成。多音节词和部分双音节词通过在其前加more或most构成比较级或最高级:例:difficultmoredifficultmostdifficultpopularmorepopularmostpopular3.比较等级的不规则变化：good/wellbetterbestbad/badly/illworseworstmany/muchmoremostfarfarther/furtherfarthest/furthestoldolder/elderoldest/eldestlittlelessleast4.使用比较等级时应注意的事项(1)使用比较等级的基本原则:不作比较用原级，两者比较用比较级，三者或三者以上比较用最高级。例:Heisverytall.他很高。(尽管“很高”，但没有比较，故用原级)Heisveryshortbutheistallerthanme.他很矮，但是他比我高。(两者比较)Amongthethreegirls,Maryisthetallest.在这三个女孩儿中，玛丽是最高的。(三者比较)(2)在形容词最高级前通常用定冠词the，在副词最高级前可用the，也可省略。例:Thisisthebestroominthehotel.这是这个宾馆里最好的房间。Amongthem,hestudies(the)hardest.在他们当中，他学习最刻苦。(3)比较级前常用far，even，alot，abit，much等修饰。例:JapaneseismuchmoredifficultthanEnglish.日语比英语难多了。【课堂练习】一、单项选择1．ThepopulationofChinalarge.Aboutfourfifthsofthepopulation____farmers.A．is;are B．are;is C．are;are D．is;be2．Chinahas________areaofabout9,600,000squarekilometers.Everyonewantstoget________amazingjobhere.A．an;an B．an;/ C．the;the D．an;a3．—Whyhaveyougotsomuchwaterhere?—Forthetrailwalkers.Afterfinishthetoughhike,theyneedto_____lotsofwater.A．keepoff B．giveout C．takein D．putup4．Animalsarethehuman'sfriends.Weshould________thembyspeciallaws.A．protect B．drop C．kill D．buy5．—Areallthenamesofyourclasslistedhere?—Yes,all,________mine.A．includes B．including C．includedD．include6．Thanksforyourinvitation,butI'msosorryIcan'tgo.Ineedto_________mybabyathome.A．takeaway B．takeoff C．takecareof D．takeoutof7．________exerciseyoutake,_____________you'llbe.A．Thefewer,thefatterB．Theless,thefatterC．Theless,themorefatter8．________babypandaismuchshorterthan________adultpanda.A．A,an B．A,a C．An,an D．An,a9．—Tomissixandheis________hissisterJane.HowoldisJane?—Three.A．twiceasoldas B．twoyearsolderthanC．asoldas D．threeyearsyoungerthan10．Thereareonlytenminutes________.A．remained B．remaining C．remains D．beingremained二、首字母填空1．Thepicturerthegirlofthetimewhenshewasinthevillage.2．Thesingergotalotoffansbecauseofhisbeautifulandsoftv.3．Thebird'ssonglthebrotherandthesistertothehouse.4．Paperandother3thingsare4inventions(发明)inaChina.5．Thepisincreasingatabout6%peryear.6．Weshouldcourselvesinthefaceofdifficulties.7．Whenthebabyseeshermother,sherunsoverwithe.8．Humanscansometimesbestrongerthanthefofnature.三、适当形式填空1．Therearemany(tour)ontheGreatWalleveryday.2．Inspring,manypeoplewant