新概念英语青少版 2b Unit 24课件.ppt

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1、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.(viewp

2、oint)(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.

3、haveatryv.trytodosth.trydoingsth.tryone’sbesttodosth.Lesson47thane.g.TomistallerthanTim.Lesson47continente.g.Australiaisalargecontinent.Therearesevencontinentsintheworld.Lesson47lowe.g.Ifindalow-fatyoghurt.lowincomealowvoiceLesson47populationdensity人口密度eg.Thedensityofpop

4、ulationinthiscityisveryhigh.Whichcontinenthaslowpopulationdensity?Lesson47populationTheworldpopulationisincreasingfasterandfaster.AboutseventypercentofthepopulationinChinaarefarmers.Indiahasalargepopulation.Singaporehasasmallpopulation.WhatisthepopulationofCanada?Lesson4

5、7trickquestiontrickThesechildrenlovedplayingtricksontheirteacher.Heplayedsomeclevermagictricks.Lesson47squaremilee.g.TheareaofChinais9,600,000squaremiles.Lesson47obviouslyobviousadj.e.g.Obviously,sheneedshelp.Itisn'tobvious,isit?Lesson47answern.eg.Doyouknowtheanswertothi

6、squestion?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.Whichisthehighestmounta

7、inintheBritishIsles?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,theMediterra

8、nean(Sea),thePacific(Ocean)Lesson474.Ilookeditupyesterday.lookup---查阅/找5.They’rebothlongrivers.both=not