Unit7Whatsthehighestmountainintheworld-SectionAGrammarFocusSectionB1a1d導(dǎo)學(xué)案人教版八年級英語下冊

Unit7What’sthehighestmountainintheworld?SectionAGF&SectionB1a1d第三課時【學(xué)習(xí)目標(biāo)】1可以準(zhǔn)確說出并默寫本課重點生詞、短語。2.繼續(xù)鞏固形容詞比較級和最高級的用法，如何對于事物的屬性進(jìn)行提問以及倍數(shù)的概念。3.培養(yǎng)通過數(shù)據(jù)的表示，對食物的特點進(jìn)行比較和說明?！緦W(xué)習(xí)重難點】重點：鞏固形容詞比較級和最高級的用法，如何對于事物的屬性進(jìn)行提問以及倍數(shù)的概念。難點：通過聽力訓(xùn)練，提升提取信息的能力。【學(xué)法指導(dǎo)】研讀課本第5253頁及第121頁單詞表對應(yīng)部分，根據(jù)導(dǎo)學(xué)案上的要求完成【自主學(xué)習(xí)】、【整體建構(gòu)】、【小試牛刀】和【我的困惑】部分?！咀灾鲗W(xué)習(xí)】學(xué)習(xí)活動一：基礎(chǔ)知識大聯(lián)盟任務(wù)一：請自主預(yù)習(xí)單詞及短語，并完成下列句子。Theelephant____________(重量是…)about5000kilos.An____________(成年的)pandaeatsabout10kilosoffoodaday.MymothertoldmethatIwasonly50cmlong___________________(出生)Myfatheristhree_________(倍)tallerthanmyyoungersister.__________________（太平洋）isoneofthefourbiggest____________(海洋).Adogcanlive____________(至多)10to15years.任務(wù)二：熟讀P52GrammarFocus句子，并完成課本P524a練習(xí)（填寫在書上）任務(wù)三：根據(jù)以上句子和練習(xí)，再次自主總結(jié)形容詞比較級/最高級的用法吧。1.形容詞和副詞的比較級與最高級的變化規(guī)則（1）規(guī)則變化情況規(guī)則例詞一般情況直接加es/esttall→___________→______________以不發(fā)音的字母e結(jié)尾的加r/stnice→___________→__________以＂輔音字母+y＂結(jié)尾的變y為i，再加er/estdry→_____________→_____________heavy→___________→______________重讀閉音節(jié)先雙寫輔音字母，再加er/estthin→_____________→______________多音節(jié)和部分雙音節(jié)單詞在詞前加more/mostdelicious→_____________→____________（2）不規(guī)則變化原級比較級最高級good,well____________________bad,ill____________________many,much____________________little____________________far______/___________/_____2.形容詞/副詞原級的用法（1）用于＂as...as...＂結(jié)構(gòu)中，否定形式為notas/so...as...。Thispictureisnot_________good________thatone.這幅畫不如那幅好。（2）表示＂A是B的……倍＂時，用A＋謂語動詞＋倍數(shù)＋as＋原級＋asB。Ourschoolisthreetimesaslargeastheirs.我們學(xué)校是他們學(xué)校的三倍大。（3）修飾形容詞原級的詞：very，too，so，enough等。Thegirlissobeautiful.這個女孩是如此的漂亮。3.形容詞/副詞比較級的用法（1）A＋謂語動詞＋比較級＋thanB...A比B……Mybikeis_______________thanhers.我的自行車比她的好看。（2）Which/Who＋謂語動詞＋比較級，AorB?Whoruns_______,JimorTom?誰跑得更快，吉姆還是湯姆？（3）表示＂越來越……＂時用比較級的重疊結(jié)構(gòu)，即＂比較級＋and＋比較級＂，多音節(jié)詞和部分雙音節(jié)詞用＂moreandmore＋原級＂。It’sbeing___________and______________.天氣變得越來越冷了。Theproblemisbeing_________________________________.問題變得越來越嚴(yán)重了。（4）表示＂越……就越……＂時用＂the＋比較級，the＋比較級＂。_________________________youare,_______________________youwillmake.你越細(xì)心，犯的錯就會越少。（5）表示＂兩者之間比較……的一個＂時常用＂the＋比較級＋ofthetwo＂。Heisthe________________________ofthetwo.他是兩個中較瘦的那一個。（6）修飾比較級的詞和短語有alittle，abit，alot，much，far，even等。Youare________________________thanJim.你比吉姆瘦點兒。4.形容詞/副詞最高級用法（1）三者或三者以上比較用最高級，形容詞最高級前加the，副詞可不加。句末常跟in/of短語表示范圍。Tomis_______________________inhisclass.湯姆是他班里最聰明的。He___________________________intheclass.在這個班里他跑得最快。（2）Which/Who＋謂語動詞＋the＋形容詞/副詞最高級，A，BorC?Whois___________________,Tom,KateorBill?誰是最高的，湯姆、凱特還是比爾？（3）表示＂最……的……之一＂時用oneof＋the＋形容詞最高級＋復(fù)數(shù)名詞。MissXuisoneof_____________________________________________inourschool.徐老師是我們學(xué)校最受歡迎的老師之一。（4）表示＂第幾最……＂時，可在最高級前加序數(shù)詞。TheYellowRiveris___________________________________________riverinChina.黃河是中國的第二長河。【注意】有些形容詞，如dead，empty，round，sure，woolen等受本身含義的限制，沒有比較級。5.形容詞比較級和最高級之間的轉(zhuǎn)換The形容詞最高級=形容詞比較級thananyother+名單=形容詞比較級thantheother+名詞復(fù)數(shù)(1)Billisthetallestinourclass.Billis_________than______________________________inourclass.Billis_________than______________________________inourclass(2)ShanghaiislargerthananyothercityinChina.Shanghaiis____________________________inChina.任務(wù)四：關(guān)于倍數(shù)的用法。在英語中，常用____________表示倍數(shù)，其中兩倍為“twice”，manytimes好幾倍常用結(jié)構(gòu)為：A+be(實意動詞)+倍數(shù)+形容詞比較級+than+B練習(xí)：1）大象比熊貓重很多倍。Theelephant__________________morethanthepanda.2)這把尺子比那把長兩倍。Thisruler________________________thanthatone.常用結(jié)構(gòu)還有：A+be(實意動詞)+倍數(shù)+as+形容詞原形+as+B練習(xí)：1）這棵樹是那棵樹的三倍高。Thetreeis______________as_______asthattree.任務(wù)五：語中長，寬，高的表示方法：（兩種）=1\*GB3①基數(shù)詞+單位詞+形容詞（long/wide/deep/high等）=2\*GB3②基數(shù)詞+單位詞+in+名詞（length/width/height/depth等）練習(xí)：這個坑有三米深。Theholeis__________________.=Thehole_____________________________.這建筑物有50米高。Thebuildingis________________=Thebuilding_________________________.2.insize=haveanareaof(尺寸上，大小方面)如：這個島嶼的面積大約是5平方千米。Theislandisabout5_________kilometers________________.【整體建構(gòu)】恭喜你完成了自主學(xué)習(xí)！現(xiàn)在請整理思路，梳理本部分的知識結(jié)構(gòu)。（自主整理本節(jié)課重點單詞短語，句型以及語法結(jié)構(gòu)；必須采用思維導(dǎo)圖形式）【小試牛刀】一、閱讀填空

OnApril8,areportcameoutonthelivesofhighschoolstudentsinChina,Japan,SouthKoreaandtheUS.Itsurveyedaround6,200students

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thefourcountrieslastyear.Youwillfindtheanswerstomanyofyourquestionsinthisreport.

Whostudies

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(hard)ofthem?

Chinesestudentsspendthemosttime

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(study).NearlyhalfChinesestudentsspendmorethantwohoursontheirhomeworkeveryday.That'smuchmore

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thestudentsoftheUS(26.4%),Japan(8.2%)andSouthKorea(5.2%).

Whosleepsmostofteninclass?

Japanesestudentsfall

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(sleep)inclassmostoften.About45%ofthemsaidtheysometimessleepinclass.

InSouthKorea,it's32%;intheUS,21%;and5%inChina.

SouthKoreanstudentsdon'tliketakingnotes.About70%saidtheywritedownwhattheteachersaysinclass,much

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(few)thaninJapan(93%),China(90%)andtheUS(89%).

Whoisthemostdistracted(分心的)?

Americanstudentsare

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(active)inclass,butalsothemostdistracted:64.2%saidtheychatwithfriendsinclass;46.9%saidtheyeat

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inclass;and38.9%saidtheydomanythings

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(include)sendinge－mailsordoingsomeotherthingsinclass.

Whatdotheydoafterschool?

Intheirsparetime,mostChinesestudentsstudyorsurftheInternet.MostAmericanstudentshangoutwiththeirfriends.MostJapanesestudentsdophysicalexercise.MostKoreanstudentswatchTV.Maybeallthestudentsshouldgooutmoreandlearnmore

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manandnature.

Themostimportantquestionisthatwhocanachievethemost.Canyoutellme?anotherplace.Thepeopleinthedesertare__14__toeachother.Theyarereadytohelpthepeople__15__andgivethemfoodandwater.二、完形填空Youmaythinkthereisnothingbutsandinthedesertoftheworld.It'snot__1__.Inthedesertyoucanfindsmall__2__orevenbigones.Wecanseehills,too.Thereisalittleraininthedesert,__3__itisnotenoughformostplants.Stillwecanseesomeplantsthere.Thereissome__4__insomeplacesinthedesert.We__5__theseplacesoases(綠洲).Sometimesthewater__6__underthegroundortheriversrunningthroughthedesert.Intheoases,therearevillagesandtowns.People__7__allkindsofcrops(莊稼)inthefieldsthere.Peoplealso__8__outsidetheoases,butthesepeoplearenotfarmers.They__9__camels(駱駝),sheep,andotheranimals.Theanimals__10__theplantsthereanddonotneedmuchwater.Thepeopleofthedesertdonotliveanywhereforlong.Theykeep__11__fromoneplacetoanother.Theymustalways__12__grassordesertplantsfortheiranimals.Theyusuallyliveinthetents.Whenthereisnomore__13__fortheiranimals,theytakedowntheirtentsandleaveforanotherplace.Thepeopleinthedesertare__14__toeachother.Theyarereadytohelpthepeople__15__