Unit7

What’sthehighestmountainintheworld?SectionAGrammarFocus-4c課時(shí)教學(xué)目標(biāo)語言目標(biāo)：1.

掌握本課時(shí)重點(diǎn)詞匯和短語：

ocean,thePacificOcean等;2.學(xué)習(xí)大數(shù)字的表達(dá)和讀法，掌握比較級和最高級的用法。文化意識：使學(xué)生能夠提高自己的語言表達(dá)能力。思維品質(zhì)：學(xué)習(xí)掌握描述自然景觀特征的語句并熟練運(yùn)用對自然景觀數(shù)據(jù)進(jìn)行問答的語句。學(xué)習(xí)能力：通過自主學(xué)習(xí)、合作學(xué)習(xí)、探究學(xué)習(xí)、跨學(xué)科學(xué)習(xí)培養(yǎng)合作意識與學(xué)習(xí)能力。Lead-in珠穆朗瑪峰喬戈里峰干城章嘉峰

ThetopthreehighestmountainsSomeinterestingfactsaboutQomolangmaQomolangmais8,848.86metershighandisstillgrowing.Ittakesatleast30,000USDtoclimbQomolangma.Morethan7,000climbersreachthesummitofQomolangma.About300peoplehavediedonthemountain.ThesummitofQomolangmaisontheborderofNepalandXizang(China).NepalliestothesouthandChinatothenorth.里海巴爾喀什湖馬拉開波湖Thetopthreedeepestsaltlakes

ThefourancientcivilizationsGrammarFocusWhat’sthehighestmountainintheworld?Qomolangma.HowhighisQomolangma?It’s8,844.43metershigh.It’shigherthananyothermountain.Whichisthedeepestsaltlakeintheworld?TheCaspianSeaisthedeepestofallthesaltlakes.DidyouknowthatChinaisoneoftheoldestcountriesintheworld?Yes,Idid.It’smucholderthantheUS.Findthecomparativesandsuperlatives.此句型用比較級表達(dá)最高級含義8,848.8630,0007,000eightthousandeighthundredandforty-eightpointeightsixthirtythousandCanyoureadtheselargenumbers?seventhousand61,021sixty-onethousandandtwenty-one大數(shù)字的表達(dá)與讀法(1)1,000以上的基數(shù)詞的表示法：先從右至左數(shù)，每三位數(shù)加一個(gè)逗號。第一個(gè)逗號前的數(shù)為thousand(千），第二個(gè)逗號前的數(shù)為million（百萬），第三個(gè)逗號前的數(shù)為billion（十億）。讀時(shí)通常在hundred后加and，如果讀數(shù)中百位數(shù)為0，則在thousand后加and。(2)模糊表達(dá)：hundred/thousand加-s的情況：hundredsof...成百上千的……；thousandsof...成千上萬的……26742,674thousandandtwothousandsixhundredandseventy-fourhundred1.從數(shù)字右端向左數(shù)，每三位數(shù)加一個(gè)逗點(diǎn)；2.第一個(gè)逗點(diǎn)前的數(shù)為thousand（千）；3.讀時(shí)通常在hundred后加and。1835708918,357,089millionandeighteenmillion,threehundredandfifty-seventhousand,andeighty-ninethousand1.從數(shù)字右端向左數(shù)，每三位數(shù)加一個(gè)逗點(diǎn)；2.第一個(gè)逗點(diǎn)前的數(shù)為thousand（千）；第二個(gè)逗點(diǎn)前的數(shù)為million（百萬）；3.讀時(shí)通常在hundred后加and，如果百位數(shù)為0，則在thousand后加and。形容詞和副詞比較級的用法(1)“比較級+than”表示一方比另一方……。(2)“比較級+and+比較級”或“moreandmore+原級”意為“越來越……”。(3)“the+比較級...,the+比較級...”意為“越……越……”。(4)“the+形容詞比較級(+ofthetwo...)”意為“（兩者中）更……的那一個(gè)”。(5)“l(fā)ess+形容詞/副詞原級+than”表示一方不如另一方……。(6)“Which/Who+be/動詞+比較級，AorB?”用于詢問兩者之間哪個(gè)更……。(7)“倍數(shù)+比較級+than”意為“是……的幾倍”。形容詞和副詞最高級的用法(1)“the+形容詞最高級（+名詞）+范圍”意為“……中最……的”。(2)“oneofthe+形容詞最高級+可數(shù)名詞復(fù)數(shù)+范圍”意為“……中最……之一”。(3)“Which/Who+be/動詞+最高級，A,BorC?”表示“在A,B,C三者中誰最……？”(4)“the+序數(shù)詞+形容詞最高級+單數(shù)名詞+范圍”意為“A,B,C……中第幾……的”?！氨容^級+thanany

other+可數(shù)名詞單數(shù)”=“比較級+thantheother+可數(shù)名詞復(fù)數(shù)”表示“比其他任何……都……”,表示最高級含義，可與表示最高級的句子進(jìn)行轉(zhuǎn)換。Myfatheristhetallestoneinmyfamily.=Myfatheristallerthananyothermemberinmyfamily.=Myfatheristallerthantheothermembersinmyfamily.可用于修飾形容詞和副詞比較級程度的副詞（短語）有：much,alittle,even,alot,abit,far等。形容詞和副詞比較級和最高級的變化規(guī)則(1)規(guī)則變化：①一般情況下，單音節(jié)或雙音節(jié)的形容詞（或副詞）比較級+-er，最高級+-est。②以e結(jié)尾的詞，比較級+-r，最高級+-st即可。③以輔音字母+y結(jié)尾的變y為i+-er或-est。④以一個(gè)輔音字母結(jié)尾的重讀閉音節(jié)詞，雙寫這一輔音字母后再加-er或-est。⑤多音節(jié)及部分雙音節(jié)詞，在詞前加more或most。少數(shù)單音節(jié)詞也是這樣，如：pleased和tired。(2)不規(guī)則變化：good/well—better—best；bad/badly—worse—worst；many/much—more—most；far—farther/further—farthest/furthest1.TheAmazonRiverisoneofthe_________riversintheworld.It’salittle________thantheYangtzeRiver.2.Qomolangmais8,848.86meters_______.It’soneofthemost__________placesforseriousmountainclimbers.3.Nooceanintheworldisas________asthePacificOcean.4.AlthoughJapanis_______thanCanada,itis________smaller.Fillintheblankswiththecorrectformsofthewordsinthebox.4abigmuchpopularlongoldhighlongestlongerhighpopularbigoldermuch

太平洋

n.大海，海洋NooceanintheworldisasbigasthePacificOcean.as+形容詞/副詞原級+as

表示雙方在程度、性質(zhì)、特征等方面一樣。此句意為“世界上沒有和太平洋一樣大的海洋”，表示“太平洋是世界上最大的海洋”，表示最高級含義，可與表示最高級的句子進(jìn)行轉(zhuǎn)換。Writetwocomparisonsabouttwotopics.Writetruefacts.4be.g.Tworivers:theYangtzeRiverandtheAmazonRiverTheYangtzeRiverisalmostaslongastheAmazonRiver.TheAmazonislongerthantheYangtze,buttheYangtzeisthelongestriverinChina.Twocities:________________and_______________________________________________________________________________________________________________________________________________________________Twoanimals:________________and_______________________________________________________________________________________________________________________________________________________________SingaporeKualaLumpurKualaLumpurisasmodernasSingapore.SingaporeisbiggerthanKualaLumpurandhasalargerpopulationthanKualaLumper.MonkeyDogSomedogsarebiggerthanmonkeys.Amonkeyclimbsatreefasterthanadog.Writefivequestionsusingcomparisons.Thenaskyourpartneryourquestions.4c1.________________________________________________________2.________________________________________________________3.________________________________________________________4.________________________________________________________5.________________________________________________________Whatisthehighestbuildinginourcity?Whatisthebusiestsubwaystationinourcity?Whatisthelargestshoppingmallinourcity?Whichisthebiggestparkinourcity?Whichisthelongestroadinourcity?Whichplaceisthebestforourschooltrip?Ourschoolisgoingonaschooltripinthecity.Whichisthebestplacetogoto?Canyougivesomeadviceandwhy?Workingroupsof5andreporttotheclass.Remembertousecomparisons.Example:Wethink______isthebestplaceforustogoonaschooltrip.Ofalltheplaces,itisthe________.Andwecanalso______.Soweallthinkitisagoodideatovisit________________.一、單項(xiàng)選擇Chinahasa______populationthanAmerica.A.more B.muchmore C.muchlarge D.muchlargerXi’anisoneof_____inChina.A.morefamouscity B.mostfamouscitiesC.themostfamouscities D.muchmorefamouscityChinaisthethird_____countryintheworld.A.large B.largest C.larger D.aslargeas123DCBExercisesStayingwithfamiliesandfriendsinourfreetimeisoneof_____things.A.thehappiestB.happierC.thehappyD.happiestQomolangmaishigherthan_____intheworld.A.theothermountain B.anothermountain C.anyothermountain D.anymountains—Idon’tthinkhistoryismoreusefulthanphysics.—Idisagree.Inmyopinion,historyis______physics.A.asusefulas B.notsousefulasC.lessusefulthan D.themostusefulof45AC6A（武威中考）Thenumber“23,456”can

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