冀教版八年級英語下冊 （North America）Know Our World 新課件

NorthAmericaUnit7KnowOurWorld

Learningaims:

1.Will/Would/Couldyouplease…?2.Learnabouttherhythmoftheforeignsongs.3.Knowmoreabouttheworld’sgeography.Learningimportantpoints:1.Travelaroundtheworld.2.Howtolookupwordsinadictionary.3.Thewaywetravelaroundtheworld.預習檢測用方框中所給詞的適當形式填空。small language common speak1.Canadahasthe_________populationofthethreecountries.2.InCanadapeoplespeakdifferent___________.3.I’mthe______________girlofourfamily.4.Theboycan_________Spanish.smallestlanguagesmostcommonspeakNorthAmerica1.Whichcountryhasalargepopulation,CanadaorMexico?2.What’sthethirdmostcommonlanguageinCanada?3.WhichcountryhasthelargestpopulationinNorthAmerica?Listenandanswerthequestions.Mexico.China.TheU.S.Matchthestatementswiththecountriesaccordingtothelesson.StatementsPeopletheremainlyspeakSpanish.It’sthethirdlargestcountryinareainNorthAmerica.Over2millionpeoplespeakChinesethere.It’sthefarthestnorthinNorthAmerica.It’sthelargestcountryinpopulationinNorthAmerica.CountriesCanadaAmericaMexicoCompletethepassagewiththecorrectformsofthewordsinthebox.large live square SpainspeakcommonTherearethreemajorcountriesinNorthAmerica.Theycoverabout24million______kilometres.BothinAmericaandCanada,Englishisthe______________language,whileinMexico,peoplespeakmostly_______.IntheU.S.,over2millionpeople______Chinese.ThepopulationofAmericaismuch________thanthatofCanada.SomeMexicanpeopleleavetheircountryto_____andworkinAmerica.squaremostcommonSpanishspeaklargerlive1.Canadaisthebiggestofthethreecountriesinarea.inarea意為“在面積方面”，介詞in表示“在……方面”。類似的用法有：insize意為“在大小方面”；inshape意為“在形狀方面”。Eg.Ourtownisfivesquarekilometresinarea.我們城鎮(zhèn)在面積上是五平方千米。Languagepoints.其次，area意為“面積；地域”，常用theareaof表示“……的面積”，intheareaof…意為“在……領域”。Eg.What’stheareaofyourhouse?

你的房子面積是多大？2.…thethirdmostcommonlanguageisChinese.“the+序數(shù)詞+最高級+單數(shù)名詞+范圍”，表示“……是……的第幾……”，注意形容詞最高級前加基數(shù)詞和序數(shù)詞時意義不同。如：thetwolargestislandsofChina意為“中國最大的兩個島嶼”；thesecondlargestislandofChina意為“中國的第二大島嶼”。根據(jù)句意及所給漢語提示，完成單詞。1.Wewillflytothewest_________(海岸)ofAfrica.2.Thegoodbasketballplayercomesfrom________(俄羅斯).RussiacoastExerciseII.根據(jù)句意用方框中所給單詞或短語的適當形式完成句子。

1.Heneeds_________thewordinthedictionary.2.—Areyougoingwithus?—_________.3.MysisterlikessingingEnglishsongs______.4.Haveyouever_________toJapan?5.Atlastthebus_________.startedtolookupSurealottravelledalot,start,sure,lookup,travelIII.補全對話。A.Isittheworld’slargestcontinent?B.MorethanthreebillionpeopleliveinAsia.C.Whereareyougoing?D.I’mlookingforAsia.E.Whatareyoudoinghere?F.TheyallspeakChinese.G.HowbigisAsia?W:Hello,Mr.Liu.L:Hello,WangYifei.(1)_________W:I’mlookingatthemapoftheworld.L:Themapoftheworld?Whatareyoulookingfor?W:(2)_________L:Isee.Haveyoufoundit?W:Yes,Ihave.Look!Hereitis.(3)_________L:Letmesee.Thecontinentcoversover44millionsquarekilometres.EDGW:It’ssobig.(4)_________L:Yes,itis.Therearemorethan40countriesinAsia.AndChinaisthebiggestcountryinareaandpopulation.W:Really?That’sgreat!IthinkthepopulationofAsiaislarge.L:Yes.(5)_________W:Thankyoufortellingmesomuch.L:You’rewelcome.BAHomeworkWriteareportaboutthecontinentoftheworld.ThankYouPlantingTreesUnit2PlantaPlant

1.Beabletousethewords:hole,large,root,seedling,cover,fill,dirt,pack,dust,storm,dirty,northern,bottom,digahole,fill...with...,bytheway,duststorm,alotof,turninto,forsure,remembertodosth.,inthebottomof...LearningTargets2.Toknowsomeimportantsentences:·Itmustbelargeenoughtoholdtherootsoftheseedling.·Nothingcanstopthewindbecausetherearenotmanytreesleft.·Alotofrichlandsinthenorthernareahaveturnedintodesert....3.TolearnsomethingaboutTreePlantingDayandknowhowtoplantatreeWordsandexpressionsholelargerootseedlingcoverfilldirtstormn.

洞adj.大的；巨大的n.

根n.

幼苗；秧苗v.覆蓋n.蓋子v.裝滿；充滿n.

泥土；污物n.暴風雨dirtypackdustnorthernbottomdigaholefill...with...adj.不干凈的；骯臟的v.堆積；壓實；裝（箱）n.

沙土；塵土；灰塵adj.北方的；北部的n.底部；最下部挖坑；挖洞用……填滿bythewayduststormalotofturnintoforsureremembertodosth.inthebottomof...順便說一下沙塵暴許多;大量變成肯定地；確定地記得去做某事在……底部翻譯下列的短語。fill…with…bythewayduststormturnintointhebottomof…It’s+adj.todosth.

用…….填滿順便說一下沙塵暴變成在…….底部做某事怎么樣(1)WhenisTreePlantingDayinChina?(2)Whatarethebasicstepsforplantingatree?THINKABOUTIT挖樹坑Digahole解草繩Untierope樹苗入坑PutthesaplingintheholeHowtoplantatree?一次培土Earthupforthe1sttime提苗Liftthesaplingslightly圍填pileupeartharound浸透水Waterthesapling

給樹上支架Setupsupportframe二次培土Earthupforthe2ndtimeIt’sMarch12.LiMingandhisclassmatesareonahillside.Theyareplantingtreesasaschoolproject.Aworkeristherehelpingthem.LiMing:Excuseme,sir.Wearediggingahole.Isitbigenough?Worker:Maybeyoushouldmaketheholealittlebigger.Itmustbelargeenoughtoholdtherootsoftheseedling.Listenandread.Presentation

LiMing:Isee.Thankyou.Worker:Now,puttheseedlinginside,covertherootsandfilltheholewithdirt.Thenpack

thedirtaroundthenewtreewithyourfeet.WangMei:OK.Bytheway,thereisanothergroupofpeopledownthehill.Aretheyalsocomingtoplanttrees?Worker:Yes.Manypeopleareworriedbecausetheenvironmentischanging,andtheywanttodosomethingtohelp.LiMing:Thesechangesareserious.Whenthere

isa

duststorminspring,itgetswindyand

dirtyeverywhere.WangMei:Ms.Liutoldusthewindblowsthedirtandthesandherefromthenorth.Nothingcanstopthethewindbecausetherearenotmanytreesleft.Worker:Exactly.Alotofrichlandsinthenorthernarea

haveturnedintodesert.

LiMing:Isupposetreeplantingisveryimportantwork.WangMei:Forsure.Ireallylikethisproject.It’salso

agreatwaytolearnaboutnature.Worker:Yes.It’sfunandimportanttoplantplants.Oh,andpleaseremembertoputalittlewater

inthebottomofthehole.

Readandanswer.1.WhatareLiMingandhisclassmatesdoingonMarch12?Theyareplantingtreesasaschoolproject.2.Whydomanypeoplecometoplanttrees?Becausetheenvironmentischangingandtheywanttodosomethingtohelp.3.Whatarethebasicstepsforplantingatree?Digahole,puttheseedlinginside,covertheroots,filltheholewithdirt,packthedirtaroundthetreeandputwaterinthebottomofthehole.1.liMingandWangMeiwerehavingapicniconafarm.()2.Theyaskedateacherforhelp.()3.LiMingsawanothergroupofpeopleonthehillside.()4.WangMeireallylikedtheproject.()1Readthelessonandwritetrue(T)orfalse(F).FTFTLet’sDoIt!Fillintheblankswiththewordsinthebox.Thenputthestepsforplantingatreeinthecorrectorder.bottomholearoundcoverrootsPutthe______oftheseedlingintothehole.Putalittlewaterinthe_______ofthehole._______therootsandfilltheholewithdirt.Packthedirt________thenewtreewithyourfeet.Digabig______enoughtoholdtherootsoftheseedling.rootsbottomCoveraroundhole225134Completethepassagewiththemissingphrases.A.theGreenGreatWallB.plantingmoretreesC.duststormsD.thenorthernpartTheGreenGreatWallwasbuiltacross_____________________ofthecountry.WhatistheGreenGreatWall?Itismadeupofstripsofhuman-plantedforest.thenorthernpartD.

3Eachyear______________blowalotofsoilofftheland.Thingsaregettingmoreandmoreserious.About3600squarekilometresofgrasslandaretakenbytheGobiDeserteveryyear.TheGreenGreatWallprojectstartedin1978.By_____________________,peopleholdbacktheexpansionofthedesertandraisenorthernChina’sforestcoverageby5%to15%.Bytheyear2050,_____________________willbeabout2800mileslong.B.plantingmoretreesA.theGreenGreatWall

C.duststormsWorkinpairs.Readthelessonandthepassageaboveagain.Whyshouldweplanttrees?Talkaboutitandlistatleastthreereasons.4LiMingandWangMeiareplantingtreesonahillside.Howtoplantatree?First,theydigaholeandmakesurethehole_____________toholdtherootsoftheseedling.Second,theyputtheseedlinginside,______therootsand_____thehole_____dirt.Thentheypackthedirtaroundthenewtree_____theirfeet.Atlast,theyputalittlewater______________thehole.Fillintheblanksandtrytoretellthetext.large

enoughfillwithcoverinthebottomofwithReadandtrytorecitetheconversationsin5-10minutes.Role-play1.Roleplayingroups;2.RoleplayinfrontoftheclassWe’llseewhichgroupdoesthebest.1.Itmustbelarge

enoughtoholdtherootsoftheseedling.（1）must表示肯定推測，意為“一定；肯定”。例：ThisbookmustbeJack's，becausehisname

isonitscover.這本書一定是杰克的，因為封面上有他的名字。（2）largeadj.大的，巨大的。常指面積或范圍大，其反義詞為small(小的)。

（3）enoughadv.足夠地。修飾形容詞或副詞時要放在所修飾詞的后面。例：Thisgirliscarefulenough.這個女孩足夠的細心。Languagepoints2.Now,puttheseedlinginside,covertherootsandfilltheholewithdirt.(1)cover

v．覆蓋。常用短語：cover…with…用……蓋住……其被動語態(tài)結構為：becoveredwith…被……覆蓋。例：Pleasecoverthepotwithapieceofpaper.請用一張紙蓋住這口鍋。(2)fill

v．裝滿；充滿。常用短語：fill…with…用……裝滿……；befilledwith…被裝滿/充滿……例：Hefilledthebottlewithwine.他用酒裝滿了那只瓶子。Thenewroadsandstreetswillbefilledwithmanycarsandbusessoon.

新的道路又將被很多公共汽車和小汽車塞滿。3.Bytheway，thereisanothergroupofpeopledownthehill.

bytheway是固定搭配，意為“順便說/問一下”。

常放在句首，用于在主要話題或交流中插入題外

的話或問題。例：Bytheway，howoldareyou？

順便問一下，你多大了？4.Ms.Liutoldusthewindblowsthedirtandthesandherefromthenorth.此句中，us后面是一個省略了連詞that引導的賓語從句。主句為一般過去時，賓語從句用相應的過去時態(tài)。但在英語中，如果賓語從句陳述的是客觀事實、自然現(xiàn)象、科學真理等時，從句的時態(tài)不受主句時態(tài)的限制，用一般現(xiàn)在時。例：HeknewthattheYangtzeRiveristhelongestriverinChina.他知道長江是中國最長的河流。5.Nothingcanstopthewindbecausetherearenotmanytreesleft.此句是一個主從復合句。句中because引導原因狀語從句。because表示直接的原因，常用來回答why引導的特殊疑問句。

【鏈接】其他用來引導原因狀語從句的連詞：①for引導的從句是對主句發(fā)生的動作一些補充說明，且不可位于主句之前。②since意為“既然”，引導的從句表示附帶的原因，或者表示已知的、顯然的理由，通常放在句首。③as所表示的原因語氣最弱，只是對主句的附帶說明，重點在主句。as從句通常放在主句之前。例：Iwenttoseehim,forIhadsomethingtotellhim.我去見他，因為我有事要告訴他。Sincewehavenomoney，wecan'tbuythatcar.既然我們沒錢，就不能買那輛車了。Asitisraining，you'dbettertakeataxi.下雨了，你最好乘出租車。6.It'salsoagreatwaytolearnaboutnature.

awaytodosth.意為“做某事的一種方式/方法”。其中，不定式作way的后置定語。相當于awayofdoingsth.。例：It'sagoodwaytolearnEnglish.＝It'sagoodwayoflearningEnglish.這是一個學習英語的好方法。

Itis+adj.+for/ofsb.todosth.對于某人來說，做某事是……的。例：It'skindofyoutohelpmeyesterday.昨天你幫助了我，你真是太好了。7.

Oh，andpleaseremembertoputalittlewaterinthebottomofthehole.(1)remembertodosth.記得要做某事(此事還未做)。例：Remembertoclosethewindowwhenyouleavetheoffice.你離開辦公室時，記得關窗戶。(2)at/inthebottomof…在……的底部。例：IwanttotellyoufromthebottomofmyheartthatIamtrulysorry.我從心底想向你表示我真的很抱歉。

Exercises一、選擇適當?shù)膯卧~或者短語填空。fillwithbythewayduststormturnintoforsurecoverinthebottomofdiglargenorthernThe_________oftenhappensinthe________area.duststormnorthernExercises2.Please_____theglass______milk.3.Ifyouonlyhavethename,youcannotconfirmtheidentity___________.fillwithforsure4.Allofuscan_____ourdreams_____practicalreality.5.Inoticedtherewasahole__________________hispail.inthebottomofturninto6.Youhave400wordsforeachquestion,___