新概念英語(yǔ)青少版-2b-Unit-24(課堂)課件

Uint24Aquiz1Uint24Aquiz1Lesson47Newwordsandexpressions:quiz n.問(wèn)答比賽，小測(cè)試tryout(on) v.+adv.particle(transitive)(+prep.+object)試一試than conj.(comparison)比continent n.大陸，洲low adj.低的populationdensitycompoundn.人口密度trickquestioncompoundn.陷阱問(wèn)題(看似容易其實(shí)困難的問(wèn)題)squaremile compoundn.

平方英里obviouslyadv.(viewpoint)(manner)明顯的answer n.回答，答復(fù)2Lesson47NewwordsandexpressLesson47quize.g.Wewillhaveaquiztomorrowmorning.examination正式的“考試”，如期末考試、入學(xué)考試等。exam

是examination的縮寫，常用于口語(yǔ)，多為學(xué)生使用。

test為“小考”quiz

為“測(cè)驗(yàn)”,特指事先無(wú)準(zhǔn)備，隨時(shí)進(jìn)行的測(cè)驗(yàn)，也可指（廣播節(jié)目中的）一般知識(shí)測(cè)驗(yàn)、問(wèn)答比賽、猜謎等3Lesson47quiz3Lesson47tryout(on)e.g.Wecantryitoutonthismouse.tryon試穿(衣服等)；試戴；試用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試一試tryouton+賓語(yǔ)（you）在....身上試一試15Lesson471.IwanttotryitoLesson472.WhichisthehighestmountainintheBritishIsles?當(dāng)把某人或某物與同類別的一個(gè)以上的人或物相比較時(shí)，我們使用最高級(jí)thehighestmountain(theuniquelyhighmountain唯一的高的山)in+單數(shù)可數(shù)名詞/不可數(shù)名詞（表全部的范圍）BritishIsles---地理名詞，包括不列顛、愛(ài)爾蘭和馬恩島在內(nèi)的政治實(shí)體16Lesson472.WhichisthehigheLesson473.theNile/theAmazon---河流、大海、大洋的專有名詞前用定冠詞，這些專有名詞中的river,sea和ocean可以省略如：the(River)Thames,theMediterranean(Sea),thePacific(Ocean)17Lesson473.theNile/theAmazonLesson474.Ilookeditupyesterday.lookup---查閱/找5.They’rebothlongrivers.both=notonlyone,butalsotheother(不止這一個(gè)，而且另一個(gè))，分配詞，修飾（雙）主語(yǔ)?！皟烧叨?....”放在be和助動(dòng)詞后面，主要?jiǎng)釉~前面6.Itisn’tobvious,isit?No,it’sagoodquestion.

否定形式的陳述句+肯定形式的反意疑問(wèn)句，期望得到肯定的回答。18Lesson474.IlookeditupyesLesson477.Australia’sacontinent,andithasonlysixpeopleto

thesquaremile.不定冠詞a表示類別表示比例的介詞全部用toe.g.1:2---onetotwothesquaremile---定冠詞強(qiáng)調(diào)整體中具代表性的一部分.19Lesson477.Australia’sacontiLesson48NewwordsandexpressionsInfactadv.(viewpoint)(focus)實(shí)際上competitionn.比賽braveadj.勇敢的unclen.

叔叔，伯父untidyadj.不整潔的personn.人20Lesson48NewwordsandexpressGrammar----形容詞和副詞的比較級(jí)和最高級(jí)直接加-er,

-est.talltallertalleststronglong以e結(jié)尾加-r,-stbravebraverbravestnicelarge輔音字母+y結(jié)尾，y→i加-er,-estprettyprettierprettiestuntidydirtyhappy21Grammar----形容詞和副詞的比較級(jí)和最高級(jí)直接加-e形容詞和副詞的比較級(jí)和最高級(jí)

詞變形重讀閉音節(jié)，且只有一個(gè)輔音字母結(jié)尾時(shí)，雙寫最后一輔音字母加-er,-esthothotterhottestbigthinredwetfatsad22形容詞和副詞的比較級(jí)和最高級(jí)

詞變形重讀閉音節(jié)，且只有一個(gè)輔形容詞和副詞的比較級(jí)和最高級(jí)

詞變形多音節(jié)在詞前直接加more/mostexcitingmoreexcitingmostexcitinginterestingfriendlyexcited23形容詞和副詞的比較級(jí)和最高級(jí)

詞變形多音節(jié)在詞前直接加mor形容詞和副詞的比較級(jí)和最高級(jí)

詞變形少數(shù)不規(guī)則變化many/muchmoremostlittlelessleastgood/wellbetterbestbad/badly/illworseworstoldolder/elderoldest/eldestfarfarther/furtherfarthest/furthest24形容詞和副詞的比較級(jí)和最高級(jí)

詞變形少數(shù)不規(guī)則變化24形容詞和副詞的比較級(jí)和最高級(jí)

比較級(jí)：用于兩者之間進(jìn)行比較......動(dòng)詞+比較級(jí)+than.......(...比...更...)......the+比較級(jí)+ofthetwo(兩者中，比較...的那個(gè))e.g.TomistallerthanJim.Tomisthetallerofthetwo.最高級(jí)：表示三者或三者以上的比較，意為“最…”句中常帶有表示比較范圍的介詞in…或of…e.g.YaoMingisthetallestoftheplayers.注：形容詞最高級(jí)前必須加thee.g.Tomisthetallestinhisclass.25形容詞和副詞的比較級(jí)和最高級(jí)

比較級(jí)：用于兩者之間進(jìn)行比較最練習(xí)(

)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練習(xí)(

)1.

I

found

he

looked

__Patternpractice1.A:Bob’satallboy.B:Yes,butJohn’stallerthanBob.27Patternpractice1.A:Bob’saPatternpractice2.A:Bob,JohnandDanarealltall.B:Yes,butDan’sthetallestofthethree.28Patternpr