新概念英语青少版-2b-Unit-24(课堂)课件

Uint24Aquiz1Uint24Aquiz1Lesson47Newwordsandexpressions:quiz n.问答比赛，小测试tryout(on) v.+adv.particle(transitive)(+prep.+object)试一试than conj.(comparison)比continent n.大陆，洲low adj.低的populationdensitycompoundn.人口密度trickquestioncompoundn.陷阱问题(看似容易其实困难的问题)squaremile compoundn.

平方英里obviouslyadv.(viewpoint)(manner)明显的answer n.回答，答复2Lesson47NewwordsandexpressLesson47quize.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3Lesson47quiz3Lesson47tryout(on)e.g.Wecantryitoutonthismouse.tryon试穿(衣服等)；试戴；试用tryn.haveatryv.trytodosth.trydoingsth.tryone’sbesttodosth.4Lesson47tryout(on)tryn.hLesson47thane.g.TomistallerthanTim.5Lesson47than5Lesson47continente.g.Australiaisalargecontinent.Therearesevencontinentsintheworld.

6Lesson47continent6Lesson47lowe.g.Ifindalow-fatyoghurt.lowincomealowvoice7Lesson47low7Lesson47populationdensity

人口密度

eg.

Thedensityofpopulationinthiscityisveryhigh.

Whichcontinenthaslowpopulationdensity?8Lesson47populationdensity人Lesson47populationTheworldpopulation

isincreasingfasterandfaster.AboutseventypercentofthepopulationinChinaarefarmers.

Indiahasalargepopulation.Singaporehasasmallpopulation.WhatisthepopulationofCanada?

9Lesson47population9Lesson47trickquestiontrickThesechildrenlovedplayingtricksontheirteacher.

Heplayedsomeclevermagictricks.

10Lesson47trickquestion10Lesson47squaremilee.g.TheareaofChinais9,600,000squaremiles.11Lesson47squaremile11Lesson47obviouslyobviousadj.e.g.Obviously,sheneedshelp.Itisn'tobvious,isit?12Lesson47obviously12Lesson47answern.eg.Doyouknowtheanswertothisquestion?Doyouanswerthequestion?v.13Lesson47answern.13Lesson47Listentotherecording,andanswerthisquestion:HowmanypeoplearetheretothesquaremileinAustralia?14Lesson47ListentotherecordiLesson471.Iwanttotryitout.CanItryitoutonyou,please?wanttodosth想要做某事tryitout试一试tryouton+宾语（you）在....身上试一试15Lesson471.IwanttotryitoLesson472.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16Lesson472.WhichisthehigheLesson473.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)17Lesson473.theNile/theAmazonLesson474.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。18Lesson474.IlookeditupyesLesson477.Australia’sacontinent,andithasonlysixpeopleto

thesquaremile.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.19Lesson477.Australia’sacontiLesson48NewwordsandexpressionsInfactadv.(viewpoint)(focus)实际上competitionn.比赛braveadj.勇敢的unclen.

叔叔，伯父untidyadj.不整洁的personn.人20Lesson48NewwordsandexpressGrammar----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,-estprettyprettierprettiestuntidydirtyhappy21Grammar----形容词和副词的比较级和最高级直接加-e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,-esthothotterhottestbigthinredwetfatsad22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/mostexcitingmoreexcitingmostexcitinginterestingfriendlyexcited23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mor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/muchmoremostlittlelessleastgood/wellbetterbestbad/badly/illworseworstoldolder/elderoldest/eldestfarfarther/furtherfarthest/furthest24形容词和副词的比较级和最高级

词变形少数不规则变化24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.25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最练习(

)1.

I

found

he

looked

___

than

last

time

when

I

went

to

see

him.

A.

better

B.

well

C.

good

D.

bad

(

)2.

Whichis______,theNileortheAmazon?TheNile.A.long

B.

longer

C.

longest

D.

thelonger

(

)3.

It

is

said

that

it

is

___

today

than

yesterday.

Shall

we

go

swimming

this

afternoon?

A.

the

hottest

B.

hot

C.

hottest

D.

hotter

26练习(

)1.

I

found

he

looked

__Patternpractice1.A:Bob’satallboy.B:Yes,butJohn’stallerthanBob.27Patternpractice1.A:Bob’saPatternpractice2.A:Bob,JohnandDanarealltall.B:Yes,butDan’sthetallestofthethree.28Patternpractice2.A:Bob,JohnPatternpractice3.A:Who’staller---BoborJohn?/Whichishotter---JuneorJuly?

B:Oh,John’sthetallerofthetwo./Oh,Julyisthehotterofthetwo.29Patternpractice3.A:Who’stalPatternpractice4.(NotwithpicturesRandS)A:Who’sthetallestboyinourclass?B:Danis.Dan’sthetallest.30Patternpractice4.(NotwithpPatternpractice5.

A:John’stallerthanBob.

B:You’reright.ButDan’stallerthanJohn.Infact,Dan’sthetallestboyinourclass.31Patternpractice5.A:John’stLesson4832Lesson4832Homework测试卷33Homework测试卷33Uint24Aquiz34Uint24Aquiz1Lesson47Newwordsandexpressions:quiz n.问答比赛，小测试tryout(on) v.+adv.particle(transitive)(+prep.+object)试一试than conj.(comparison)比continent n.大陆，洲low adj.低的populationdensitycompoundn.人口密度trickquestioncompoundn.陷阱问题(看似容易其实困难的问题)squaremile compoundn.

平方英里obviouslyadv.(viewpoint)(manner)明显的answer n.回答，答复35Lesson47NewwordsandexpressLesson47quize.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36Lesson47quiz3Lesson47tryout(on)e.g.Wecantryitoutonthismouse.tryon试穿(衣服等)；试戴；试用tryn.haveatryv.trytodosth.trydoingsth.tryone’sbesttodosth.37Lesson47tryout(on)tryn.hLesson47thane.g.TomistallerthanTim.38Lesson47than5Lesson47continente.g.Australiaisalargecontinent.Therearesevencontinentsintheworld.

39Lesson47continent6Lesson47lowe.g.Ifindalow-fatyoghurt.lowincomealowvoice40Lesson47low7Lesson47populationdensity

人口密度

eg.

Thedensityofpopulationinthiscityisveryhigh.

Whichcontinenthaslowpopulationdensity?41Lesson47populationdensity人Lesson47populationTheworldpopulation

isincreasingfasterandfaster.AboutseventypercentofthepopulationinChinaarefarmers.

Indiahasalargepopulation.Singaporehasasmallpopulation.WhatisthepopulationofCanada?

42Lesson47population9Lesson47trickquestiontrickThesechildrenlovedplayingtricksontheirteacher.

Heplayedsomeclevermagictricks.

43Lesson47trickquestion10Lesson47squaremilee.g.TheareaofChinais9,600,000squaremiles.44Lesson47squaremile11Lesson47obviouslyobviousadj.e.g.Obviously,sheneedshelp.Itisn'tobvious,isit?45Lesson47obviously12Lesson47answern.eg.Doyouknowtheanswertothisquestion?Doyouanswerthequestion?v.46Lesson47answern.13Lesson47Listentotherecording,andanswerthisquestion:HowmanypeoplearetheretothesquaremileinAustralia?47Lesson47ListentotherecordiLesson471.Iwanttotryitout.CanItryitoutonyou,please?wanttodosth想要做某事tryitout试一试tryouton+宾语（you）在....身上试一试48Lesson471.IwanttotryitoLesson472.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49Lesson472.WhichisthehigheLesson473.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)50Lesson473.theNile/theAmazonLesson474.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。51Lesson474.IlookeditupyesLesson477.Australia’sacontinent,andithasonlysixpeopleto

thesquaremile.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.52Lesson477.Australia’sacontiLesson48NewwordsandexpressionsInfactadv.(viewpoint)(focus)实际上competitionn.比赛braveadj.勇敢的unclen.

叔叔，伯父untidyadj.不整洁的personn.人53Lesson48NewwordsandexpressGrammar----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,-estprettyprettierprettiestuntidydirtyhappy54Grammar----形容词和副词的比较级和最高级直接加-e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,-esthothotterhottestbigthinredwetfatsad55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/mostexcitingmoreexcitingmostexcitinginterestingfriendlyexcited56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mor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/muchmoremostlittlelessleastgood/wellbetterbestbad/badly/illworseworstoldolder/elderoldest/eldestfarfarther/furtherfarthest/furthest57形容词和副词的比较级和最高级

词变形少数不规则变化24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.58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最练习(

)1.

I

found

he

looked

___

than

last

time

when

I

went

to

see

him.