新概念英语青少版-2b-Unit-24

Uint24AquizLesson47Newwordsandexpressions:quizn.问答比赛，小测试tryout(on)v.+adv.particle(transitive)(+prep.+object)试一试thanconj.(comparison)比continentn.大陆，洲lowadj.低的populationdensitycompoundn.人口密度trickquestioncompoundn.陷阱问题(看似容易其实困难的问题)squaremilecompoundn.平方英里obviouslyadv.(viewpoint)(manner)明显的answern.回答，答复Lesson47quize.g.Wewillhaveaquiztomorrowmorning.examination正式的“考试”，如期末考试、入学考试等。exam是examination的缩写，常用于口语，多为学生使用。test为“小考”quiz为“测验”,特指事先无准备，随时进行的测验，也可指（广播节目中的）一般知识测验、问答比赛、猜谜等Lesson47tryout(on)e.g.Wecantryitoutonthismouse.tryon试穿(衣服等)；试戴；试用tryn.haveatryv.trytodosth.trydoingsth.tryone’sbesttodosth.Lesson47thane.g.TomistallerthanTim.Lesson47continente.g.Australiaisalargecontinent.Therearesevencontinentsintheworld.Lesson47lowe.g.Ifindalow-fatyoghurt.lowincomealowvoiceLesson47populationdensity人口密度eg.Thedensityofpopulationinthiscityisveryhigh.Whichcontinenthaslowpopulationdensity?Lesson47populationTheworldpopulationisincreasingfasterandfaster.AboutseventypercentofthepopulationinChinaarefarmers.Indiahasalargepopulation.Singaporehasasmallpopulation.WhatisthepopulationofCanada?Lesson47trickquestiontrickThesechildrenlovedplayingtricksontheirteacher.Heplayedsomeclevermagictricks.Lesson47squaremilee.g.TheareaofChinais9,600,000squaremiles.Lesson47obviouslyobviousadj.e.g.Obviously,sheneedshelp.Itisn'tobvious,isit?Lesson47answern.eg.Doyouknowtheanswertothisquestion?Doyouanswerthequestion?v.Lesson47Listentotherecording,andanswerthisquestion:HowmanypeoplearetheretothesquaremileinAustralia?Lesson471.Iwanttotryitout.CanItryitoutonyou,please?wanttodosth想要做某事tryitout试一试tryouton+宾语（you）在....身上试一试Lesson472.WhichisthehighestmountainintheBritishIsles?当把某人或某物与同类别的一个以上的人或物相比较时，我们使用最高级thehighestmountain(theuniquelyhighmountain唯一的高的山)in+单数可数名词/不可数名词（表全部的范围）BritishIsles---地理名词，包括不列颠、爱尔兰和马恩岛在内的政治实体Lesson473.theNile/theAmazon---河流、大海、大洋的专有名词前用定冠词，这些专有名词中的river,sea和ocean可以省略如：the(River)Thames,theMediterranean(Sea),thePacific(Ocean)Lesson474.Ilookeditupyesterday.lookup---查阅/找5.They’rebothlongrivers.both=notonlyone,butalsotheother(不止这一个，而且另一个)，分配词，修饰（双）主语。“两者都.....”放在be和助动词后面，主要动词前面6.Itisn’tobvious,isit?No,it’sagoodquestion.否定形式的陈述句+肯定形式的反意疑问句，期望得到肯定的回答。Lesson477.Australia’sacontinent,andithasonlysixpeopletothesquaremile.不定冠词a表示类别表示比例的介词全部用toe.g.1:2---onetotwothesquaremile---定冠词强调整体中具代表性的一部分.Lesson48NewwordsandexpressionsInfactadv.(viewpoint)(focus)实际上competitionn.比赛braveadj.勇敢的unclen.叔叔，伯父untidyadj.不整洁的personn.人Grammar----形容词和副词的比较级和最高级直接加-er,-est.talltallertalleststronglong以e结尾加-r,-stbravebraverbravestnicelarge辅音字母+y结尾，y→i加-er,-estprettyprettierprettiestuntidydirtyhappy形容词和副词的比较级和最高级词变形重读闭音节，且只有一个辅音字母结尾时，双写最后一辅音字母加-er,-esthothotterhottestbigthinredwetfatsad形容词和副词的比较级和最高级词变形多音节在词前直接加more/mostexcitingmoreexcitingmostexcitinginterestingfriendlyexcited形容词和副词的比较级和最高级词变形少数不规则变化many/muchmoremostlittlelessleastgood/wellbetterbestbad/badly/illworseworstoldolder/elderoldest/eldestfarfarther/furtherfarthest/furthest形容词和副词的比较级和最高级比较级：用于两者之间进行比较......动词+比较级+than.......(...比...更...)......the+比较级+ofthetwo(两者中，比较...的那个)e.g.TomistallerthanJim.Tomisthetallerofthetwo.最高级：表示三者或三者以上的比较，意为“最…”句中常带有表示比较范围的介词in…或of…e.g.YaoMingisthetallestoftheplayers.注：形容词最高级前必须加thee.g.Tomisthetallestinhisclass.练习()1.Ifoundhelooked___thanlasttimewhenIwenttoseehim.A.betterB.wellC.goodD.bad()2.Whichis______,theNileortheAmazon?TheNile.A.longB.longerC.longestD.thelonger()3.Itissaidthatitis___todaythanyesterday.Shallwegoswimmingthisafternoon?A.thehottestB.hotC.hottestD.hotterPatternpractice1.A:Bob’satallboy.B:Yes,butJohn’stallerthanBob.Patternpractice2.A:Bob,JohnandDanarealltall.B:Yes,butDan’sthetallestofthethree.Patternpractice3.A:Who’staller---BoborJohn?/Whichishotter---JuneorJuly?B:Oh,John’sthetallerofthetwo./Oh,Julyisthehotterofthetwo.Patternpractice4.(NotwithpicturesRandS)A:Who’sthetallestboyinourclass?B:Danis.Dan’sthetallest.Patternpractice5.A:John’stallerthanBob.B:You’reright.ButDan’stallerthanJohn.Infact,Dan’sthetallestboyinourclass.Lesson48Homework测试卷