Unit4Topic2SectionA-八年級英語上冊課件

Unit4OurWorld

SectionATopic2Howcanweprotectourselvesfromtheearthquake?I、Newwordsandexpressions：earthquake,province,missing，strike.falldown,anothertwo,loseone’slife...Learningaims:II、StudytherulesofcomparativeandsuperlativedegreesofAdjectives.III、Learnsomesentencestructuresaboutwhathappenedinanearthquake.。單音節(jié)及部分雙音節(jié)形容詞比較級(-er)和最高級(-est)的規(guī)則變化。Reviewer或est

eg.tall—taller—tallest去e再加er或est

eg.wide—wider—widest3.以重讀閉音節(jié)結(jié)尾，且末尾只有一個輔音字母的單詞，先雙寫該輔音字母，再加er或est

eg.big—bigger—biggest4.以輔音字母+y結(jié)尾的單詞,先改y為i,再加er或est

eg.busy—busier—busiest部分雙音節(jié)詞和多音節(jié)詞在前面加more或most構(gòu)成比較級和最高級。

eg.beautiful—morebeautiful—mostbeautiful

serious—moreserious—mostserious

interesting—moreinteresting—mostinteresting?不規(guī)則變化：

good/well—better—best

bad/ill—worse—worst

many/much—more—most

little—less—least

farther—farthest

一般表示有形距離。

far

further—furthest

側(cè)重于抽象的距離概念，如“留學(xué)深造”；

感情、思想等的深遠。Studytherulesandcompletethetable.AdjectiveusefulseriousdangerousbeautifulimportantterribleComparativemoreusefulmoreseriousmoredangerousmorebeautifulmoreimportantmoreterribleSuperlativemostusefulmostseriousmostdangerousmostbeautifulmostimportantmostterrible2aThetelephoneisuseful.telephoneThemobilephoneis__________thanthetelephone.

mobilephoneThecomputeris_______________

ofthethree.computerLet'stalk2busefulForexample:

moreusefulthemostusefulmobile

/?m?uba?l/

adj.

可移動的phone

/f?un/

n.

電話，電話機seriousfireearthquakerainstormAskandanswerwithyourpartneraccordingto2b.A:The__________isserious.B:Ithinkthe________ismoreseriousthanthe________.C:Yes,butthe_________isthemostseriousofthethree.

/?fa??/

n

失火，

火災(zāi)；火

/?re?nst?:m/

n

暴風雨dangerousfootballbasketballbaseballAskandanswerwithyourpartneraccordingto2b.A:The__________isdangerous.B:Ithinkthe________ismoredangerousthanthe________.C:Yes,butthe_________isthemostdangerousofthethree.beautifultreesgrassflowersAskandanswerwithyourpartneraccordingto2b.A:The__________isbeautiful.B:Ithinkthe________ismorebeautifulthanthe________.C:Yes,butthe_________isthemostbeautifulofthethree.importantChinesemathEnglishAskandanswerwithyourpartneraccordingto2b.A:The__________isimportant.B:Ithinkthe________ismoreimportantthanthe________.C:Yes,butthe_________isthemostimportantofthethree.coldtoothachefeverAskandanswerwithyourpartneraccordingto2b.A:The__________isterrible.B:Ithinkthe________ismoreterriblethanthe________.C:Yes,butthe_________isthemostterribleofthethree.terriblePre-listeningWhathappenedinYushuofQinghaiProvince?AnearthquakehappenedinQinghaiProvince./'??θkwe?k/n.地震/'pr?v?ns/n.省份AnearthquakehappenedinQinghaiProvince.AnearthquakestruckQinghaiProvince.strike/stra?k/v.

侵襲，爆發(fā)；

撞擊過去式/str?k/同義句Manybuildings_________.

felldownSomepeople________.

gothurtSomepeopledied.Somepeopleweremissing.

/'m?s??/adj.

失蹤的，丟失的；缺少的YuShuearthquakeTangShanearthquakeWenChuanearthquake2698人遇難1萬多人受傷震級8.0級6萬多人遇難30多萬人受傷震級7.8級16.4萬多人受傷seriousWhichismoreserious,YuShuearthquakeorWenChuanearthquake?WenChuanearthquakeismoreseriousthan

YuShuearthquake.Whichisthemostseriousofthethree？TangShanearthquakeisthemostserious.While-listeningLet'sknowmoreaboutearthquakes.Listento1aandchoosethecorrectanswer.1bKangkangandLiMingaretalkingabout_____.A.waystoprotectusfromearthquakesB.theearthquakesinChinaC.thenumberofbuildingsfallingdownD.themissingpeopleintheearthquakeBListenagainandcompletethetable.1cEarthquakeinChinaYearDegreeFact2010buildings___________somepeople________manypeople___________Wenchuanearthquakemoreserious240000people_________YushuearthquakefelldowndiedweremissingTangshanearthquakeserious20081976themostseriouslosttheirlivesListentothepassageandcompletethetable.3BadNewsWhatTheT16________fromGuangzhoutoBeijingWestRailwayStationwillbe________.Whya________snowstormPassengerstayforabout________hoursStationprepare________and________trainlateterribleeightfooddrinksKk:LiMing,comeandlook!AterribleearthquakestruckQinghai!Lm:Oh,no!WhenandWhere?Kk:ItstruckYushuinQinghaiProvinceearlythismorning.Lm:Wasitserious?Kk:Yes.Manybuildings

felldown.Somepeoplediedandmanypeopleare

missing.Lm:I’mverysorrytohearthat.Kk:AndIknowthattherewereanothertwoterribleearthquakesinChina.Listen,lookandsay.1afalldown(from)=falloff...“從......摔下來”die=loseone’slife“某人失去生命”missing=lost“丟失的”Lm:Really?Whichwasthemostserious?Kk:IthinktheWenchuanearthquakein2008wasmoreseriousthanthisone,buttheTangshanearthquakein1976wasthemostserious.Morethan240000peoplelosttheirlivesinit.

Lm:Howterrible!Howcanwe

protectourselves

fromtheearthquake?Kk:Let’saskMissWangforhelp.Listen,lookandsay.1aprotect...from...“保護......不受/使......免于”loseone’slife=die“某人失去生命”asksb.forhelp=turntosb.“向某人求助”Post-listeningfalldownfrom...=falloff...I’mverysoorytohearthat.anothertwoterribleearthquakes=twomore...morethan=over1.從......摔下來2.很抱歉聽說此事。3.另外兩次大地震4.超過5.某人失去性命6.多么恐怖啊！7.保護......以免.......8.讓某人做某事9.向某人求助10.做某事的一種方式11........的數(shù)量loseone’slife=dieHowterrible!protectsb./oneselffromsth.letsb.osth.asksb.forhelpawaytodosth.=awayofdoingsth.thenumberof...Read1aandfindthefollowingphrases.1.Iknowtherewereanothertwoterrible

earthquakesinChina.

我知道在中國曾有另外兩次大地震。

考點：

(1)Iknow之后省去了that,therewereanother

twoterribleearthquakesinChina是that引導(dǎo)的賓語從句。eg.Iknow(that)youareagoodstudent.

我知道你是個好學(xué)生。

(2)anothertwoterribleearthquakes=twomore

terribleearthquakes

另外兩次大地震。

another表示三者或三者以上不確定范圍內(nèi)的另一個。

eg.

Bringmeanotherglassofwater.

給我再拿一杯水來。Languagepoints1.Iknowtherewereanothertwoterrible

earthquakesinChina.

我知道在中國曾有另外兩次大地震。

考點：

本句中的“another+數(shù)詞”，表示“又幾個，再幾個”，在原有的數(shù)量上疊加，相當于“數(shù)詞+more”。eg.anothercake

=

onemorecake

另外一個蛋糕；

anotherthreecakes

=

threemorecakes

另外三個蛋糕。及時練習：

1.I'dliketotryonanotherskirt.

(改為同義句)

I'dliketotryon_________skirt.

2.Ineedtoborrowtwomorebooks.

(改為同義句)

Ineedtoborrow____________books.Languagepointsonemoreanothertwo2.IthinktheWenchuanearthquakein2008was

moreseriousthanthisone,buttheTangshan

earthquakein1976wasthemostserious.我認為2008年汶川地震比這次更嚴重，但1976年的唐山大地震是最嚴重的。

考點：

(1)serious嚴重，moreserious更嚴重，the

mostserious最嚴重。[注意]多音節(jié)或部分雙音節(jié)形容詞、副詞的比較級和最高級在原級前

加more、most構(gòu)成。eg.useful

→moreuseful

→

themostuseful;

dangerous→

moredangerous

→

themostdangerous;

beautiful

→

morebeautiful

→

themostbeautiful;

important

→

moreimportant

→

themostimportant;

terrible

→

moreterrible

→

themostterrible

等。Languagepoints

考點：

(2)than用于比較級，連接另一個比較對象，表示其中一者比另一者更……。

eg.Ithinksnakesaremoredangerousthan

mice.我認為蛇比耗子更危險。

(3)最高級用于三者或三者以上范圍內(nèi)比較，表示其中一者最……，形容詞前要加the，副詞前可省略the。

eg.Ofallthesubjects,IthinkEnglishisthe

mostuseful.及時練習：1.Whichdoyoulike____,spring,summerorwinter?A.goodB.wellC.betterD.best2.Whichsubjectis_____,EnglishorChinese?A.difficultB.moredifficultC.themostdifficultD.mostdifficultLanguagepointsDB3.

Let'saskMissWangforhelp.

讓我們向王女士求助。

考點：

(1)

asksb.forhelpcallsb.forhelp=

turntosb.向某人求助，求救于……。eg.Weshouldaskthepoliceforhelpwhenwe

areindanger.

(2)

asksb.forsth.向某索要某物。eg.I’llaskmymotherforsomemoney.

(3)

ask/tellsb.(not)todosth.叫某人（別）做某事。eg.MissWangoftenasksusnottobelatefor

school.Languagepoints及時練習：()1.Don'talwaysaskyourparents_____money.()2.Whynotaskthedoctor_____someadvice?()3.Hisparentstoldhim_____backlateyesterday.A.don'tcomeB.doesn'tC.notcomeD.nottocomeLanguagepointsBCD一、翻譯句子。１.我的學(xué)校比你的學(xué)校更漂亮。２.我認為英語比數(shù)學(xué)更有趣。３.鯊魚是最危險的動物。４.他的病更嚴重了。Myschoolismorebeautifulthanyours.

IthinkEnglishismoreinterestingthanmath.Sharksarethemostdangerousanimals.

Hisillnessismoreserious.

Exercises()1.—Kangkang,I_______mypen.Couldyoupleaselendme