高中教案教案

BacktothePast教案。

Unit3BacktothePast
Welcometotheunit---教案
Teachingaims:
1)Getstudentstoconductafreediscussionaboutancientcivilizations.
2)Encouragethestudentstosharetheirideaswitheachother.
Importantpointsanddifficultpoints:
1)Studentsareexpectedtodescribewhattheyhaveknownabouttheancientcivilizations.
2)Encouragethestudentstocommunicatewithclassmates.
Teachingprocedures:
Step1Leadin
1)Peoplefromancientcivilizationsbulitmanymagnificientstructures.Someofthemhavedisappeared,whileothersremaintoday.Lookatthepicturesanddiscussthefollowingquestionswithaparter.
TheStatueofZeus:
WhoisZeus?(AgodofGreekmythology,CronusandRhea’syoungestson,thesupremerulerofbothMountOlympusandthePantheonofgodsresidingthere)
WhatdoesthenameZeusmean?(ItissaidtoberelatedtotheGreekword‘dios’,with‘bright’asitsmeaning.)
WherewastheStatueofZeusoncelocated?(OnthewesterncoastofGreece)
ZeusisthesupremegodofancientGreece
mythology.TheStatueofZeus,sculptedbyagreatGreekartistinabout435BC,wasoncelocatedonthewesterncoastofGreece.ItwasaseatedfigureofZeus,holdinghiseagle-toppedstaffinhislefthandandthefigureofNike(victory)inhisrighthand.
TheTajMahal:
Whobuiltit?(ShahJehan,thefifthMughalEmperor.)
Forwhomandwhywasitbuilt?(ItwasbuiltbyShahJehanforhisbelovedwifeasamonumentofeternallove.)
Whenwasitbuilt?(From1631to1648)
Whereisit?(OnthebanksofIndia’smostsacredriver,theriverYamunainAgra)
TheMughalEmperorShahJahanbuilttheTajMahalonthebanksoftheriverYamunaasatombforhiswife.Itwasbuiltin22years(1631to1653)by20,000workmen.Thebuildingismadeofwhitemarble.AbeautifulgardensurroundstheTajMahal.InfrontofthemainentrancetothebuildingthereisTajMahalinthereflectionfromthewater.
TheHangingGardens:
Whobuiltit?(KingNebuchadnezzar,whoruledancientBabylonfordozensofyears)
Whydiditappeartobe‘hanging’inthesky?(Itlookedsobecauseitwasconstructedentirelyontheroofsofabuilding,withalotoftreessurroundingit.)
Whywasitbuilt?(TocheerupNebuchadnezzar’swifewhowassaidtobeveryhomesick)
KingNebuchadnezzarⅡofBabylon(605-562BC)builttheHangingGardenstocheeruphiswifewhomissedtheflowersandtreesofherhomeland.Thegardengotitsnamebecauseitwasbuiltentirelyontheroofsofabuilding,withalotoftreessurroundingit.Thisgavetheimpressionthatitwashanginginthesky.

ThePotalaPalace:
Whereisitlocated?(OntheRedHillintheLhasaValleyofTibet,China)
Whenwasitrebuilt?(Inthe17thcentury)
Whatwasitusedas?(TheresidenceoftheDalaiLamassincethe7thcentury,aswellasthereligiousandpoliticalcentreofoldTibet)
PotalaPalaceislocatedon“RedHill”inLhasa.Itwasoriginallybuiltinthe640’s,duringthereignofKingSongtsanGampo.The13-storypalacestands117metershighandcoversanareaof130,000squaremeters.Itisdividedintotwosections,theRedPalaceandtheWhitePalace.ItwasusedastheresidenceoftheDalaiLamassincethe7thcentury,aswellasthereligiousandpoliticalcentreofoldTibet.
Step3Groupdiscussion
1.Whatotherancientcivilizationsdoyouknowabout?
2Doyouthinkitisimportanttoprotectculturalheritage?Whyorwhynot?Doyouhaveanysuggestionsonhowtoprotectit?
Sampleanswers
1.yes,Ihavethehabitofvistingmuseumswhensomegoodvaluablethingsareondisplaythere.IthinkIreallyenjouthebeautyofthedesigns,thecoloursandeventheshapesofthem,whichcantakemebacktotheyearslongagoandIcanalearnalotaboutthepast
2.yes,inmyopinion,historyitisveryimportanttoprotectculturalheritage,becausewecanlearnalotfromthehistory,theeconomy,thepoliticsandtheLivingstyleofthepast.Herearesomesuggestionsabouthowtoprotectculturalgeritage.First,weneedfirmlawstoprotectit.Then,substantialmeasuresshouldbetakentorescueandprotectculturalrelics.Lastly.Theimportanceofprotectingourhistoryshouldbeintroducedtoourchildrenasearlyaspossible.
Step4Homework:Finishtheexerciseonpage110andpreviewreading.

相關(guān)閱讀

Unit3Backtothepast-Welcometotheunit教案

一名合格的教師要充分考慮學(xué)習(xí)的趣味性，教師要準(zhǔn)備好教案，這是每個(gè)教師都不可缺少的。教案可以讓學(xué)生們充分體會(huì)到學(xué)習(xí)的快樂，幫助教師提高自己的教學(xué)質(zhì)量。那么怎么才能寫出優(yōu)秀的教案呢？以下是小編為大家收集的“Unit3Backtothepast-Welcometotheunit教案”希望對(duì)您的工作和生活有所幫助。

Unit3Backtothepast-Welcometotheunit教案

TeachingObjectives:

1)Getstudentstoconductafreediscussionaboutancientcivilizations.

2)Encouragethestudentstosharetheirideaswitheachother.

Importantpointsanddifficultpoints:

1)Studentsareexpectedtodescribewhattheyhaveknownabouttheancientcivilizations.

2)Encouragethestudentstocommunicatewithclassmates.

Teachingprocedures:

Step1Leadin

Quiz:Howmuchdoyouknowabouttheancientcivilization?

1)Whatarethefourancientcivilizednations?

2)Whatarethesevenwondersoftheworld?

Step2Talkingaboutthepictures

TheStatueofZeus:

WhoisZeus?(AgodofGreekmythology,CronusandRhea’syoungestson,thesupremerulerofbothMountOlympusandthePantheonofgodsresidingthere)

WhatdoesthenameZeusmean?(ItissaidtoberelatedtotheGreekword‘dios’,with‘bright’asitsmeaning.)

WherewastheStatueofZeusoncelocated?(OnthewesterncoastofGreece)

TheTajMahal:

Whobuiltit?(ShahJehan,thefifthMughalEmperor.)

Forwhomandwhywasitbuilt?(ItwasbuiltbyShahJehanforhisbelovedwifeasamonumentofeternallove.)

Whenwasitbuilt?(From1631to1648)

Whereisit?(OnthebanksofIndia’smostsacredriver,theriverYamunainAgra)

TheHangingGardens:

Whobuiltit?(KingNebuchadnezzar,whoruledancientBabylonfordozensofyears)

Whydiditappeartobe‘hanging’inthesky?(Itlookedsobecauseitwasconstructedentirelyontheroofsofabuilding,withalotoftreessurroundingit.)

Whywasitbuilt?(TocheerupNebuchadnezzar’swifewhowassaidtobeveryhomesick)

ThePotalaPalace:

Whereisitlocated?(OntheRedHillintheLhasaValleyofTibet,China)

Whenwasitrebuilt?(Inthe17thcentury)

Whatwasitusedas?(TheresidenceoftheDalaiLamassincethe7thcentury,aswellasthereligiousandpoliticalcentreofoldTibet)Step3Groupdiscussion

1Whatdoyouthinkofthestructuresyousawjustnow?

2Doyouthinkitisimportanttoprotectculturalheritage?Whyorwhynot?Doyouhaveanysuggestionsonhowtoprotectit?

Homework

1.UnitRevision:Period1.

2.PreviewReading.

Unit3Backtothepast學(xué)案

俗話說，凡事預(yù)則立，不預(yù)則廢。作為高中教師就要精心準(zhǔn)備好合適的教案。教案可以讓學(xué)生更好的吸收課堂上所講的知識(shí)點(diǎn)，幫助高中教師提前熟悉所教學(xué)的內(nèi)容。寫好一份優(yōu)質(zhì)的高中教案要怎么做呢？以下是小編為大家收集的“Unit3Backtothepast學(xué)案”歡迎大家閱讀，希望對(duì)大家有所幫助。

2012高一英語學(xué)案：Unit3Backtothepast（牛津譯林版必修3）
一.單詞應(yīng)用
根據(jù)單詞的首字母或漢語意思填寫正確單詞，注意形式變化。
1.BothPompeiiandLoulanbecamelostc______________(文明)about2,000yearsago.
2.Itcontinuedtoeruptforthenextthreedays.U_______________,allthepeoplewereburiedalive,andsowasthecity.
3.Soin1860,theItalianarchaeologistGiuseppeFiorelliwasmaded___________(負(fù)責(zé)人)ofthePompeiidig.
4.TomorrowweareofftoNaplestovisitthemuseumthath__________manyofthetreasuresfromPompeii.
5.It’shardtoimaginehowthisquietvolcanod_____________thewholecity!
6.Thissmall,wealthy_______________（商業(yè)的）cityexistedalmost2,000yearsago.
7.Anarchaeologistfromthelocal______________(文化的)institute,ProfessorZhangtoldusthis.
8.Thedesertwasonceagreenlandwithe___________trees,buteventhatdidn’tpreventthecityfrombeing_________bysand---whatapity!
9.DuringtheseyearsIhavehadthechancetoexploremanydifferentplacesinChinaandt______________theworld.
10.Wewentthrougha10-meter-longp____________andwefoundourselvesinalargeburialchamber.
11.Mostofthemwereingoodc____________.
12.Jackisaconcernedc__________(市民).
13.Thenextday,USPresidentFranklinRooseveltd______________waragainstJapan.
14.Thereisanother_____________(相似點(diǎn))betweenChinaandRome.
15.FifteenyearslatertheQinDynastywas______________(推翻).
二．詞形轉(zhuǎn)換
1.majoradj.→__________n.2.wealthyadj.→__________n.
3.commercialadj.→__________n.4.heatn.→_________v.→_________adj.
5.unitev.→_____________adj.6.concernedadj._________n./v.___________prep.
7.faithfullyadv._________adj.→______n.8.conditionn.→__________adj.
9.culturaladj.→__________n.10.explodevi._______n.________adj.
三.補(bǔ)全佳句
1.Thebookhadagreateffectonhislife.Thebook_____________hislifegreatly.
2.Theydidn’ttellmethelocation.Theydidn’tshowmethemap,either.
They___________toldmethelocation________showedmethemap.
3.Somepeopletriedtoescape,somepeoplestayedintheirhouses.
People___________triedtoescape_______stayedintheirhouses.
4.Itworriesthetourists.Itkeepsraining.
_____________________________________thetourists.
5.Theyalso________________(進(jìn)行)otherexperiments.
6.Whenautumncomes,leaves（變成）________________orange,redandgold.
7.我們對(duì)他的健康表示關(guān)心。We_________________________hishealth.
8._________________________________________________________,(在好心的老人的帶路下，用with復(fù)合結(jié)構(gòu)做)，wearrivedattheremotevillagebeforelunchtime.
9.WegavePeteranicepresent__________________(作為對(duì)…回報(bào))hiscooperation.
10.It’s________________(很難想象)whatourliveswouldbelikeifwedidnothaveelectricityandcleanwater.
11.(眾所周知)________________________________,Chinaisacountrywithalonghistory.
12.Arethereany______________(相似之處)betweenGoetheandByron.
13.Heisnotalwaysontheballinclassbecauseheisnotinterestedinhislessons.(寫出畫線部分的漢語意思)
14.I__________________(感到榮幸)wontheholidayandhavemadesomanyfriends.
15.Iwastootiredtoeatanythingweweregiven.(改成復(fù)合句)
Iwas________________________I_______________anythingweweregiven.
四.句型轉(zhuǎn)換
1.TheattackcausedtheUStocomeintotheSecondWorldWar.
TheattackledtotheUS_______intotheSecondWorldWar.
2.Unfortunately,allthepeoplewereburiedwhentheywerestillalive,andsowasthecity.
Unfortunately,allthepeoplewereburied______,andsowasthecity.
3.In1980Ijoinedindiscoveringthepreservedbodyofawoman.
In1980Iwas_______indiscoveringthepreservedbodyofawoman.
4.TheUnitedStatesShip(USS)Arizonawasheavilybombedandintheendexploded.
TheUnitedStatesShip(USS)Arizonawasheavilybombedand______exploded.
5.Svenfoundthattheremainsofbuildingswereburiedunderthesand,aswellasalotoftreasures.
Svenfoundtheremainsofbuildings_______underthesand,______withalotoftreasures.
6.ItlayinthemiddleoftheAtlanticOceanandwasacentrefortradeandcmmerce.
Itwas_______inthemiddleoftheAtlanticOceanandwasacentrefortradeandcmmerce.
7.InsidethetemplewasagiantgoldstatueofPoseidonridingachariotpulledbyflyinghorses.
InsidethetemplewasagiantgoldstatueofPoseidonwho______achariotpulledbyflyinghorses.
8.TomorrowweareofftoNaplestovisitthemuseumthathousesmanyofthetreasuresfromPompeii.
TomorrowweareofftoNaplestovisitthemuseum________manyofthetreasuresfromPompeii.
9.Asearlyas200BC,theSilkRoad,whichwastheroutefortradebetweentheEastandtheWest,wasputtouse.
Asearlyas200BC,theSilkRoad,theroutefortradebetweentheEastandtheWest,was____use.
10.Thissitewasburiedinanareaofmorethan20,000squaremetresandwasforgottenforover2,200yearsandisoneofthemostinterestingarchaeologicaldiscoveriesintheworld.
_________inanareaofmorethan20,000squaremetresand________forover2,200years,thissiteisoneofthemostinterestingarchaeologicaldiscoveriesintheworld.
五.單元話題作文
1.寫作訓(xùn)練
重陽節(jié)是我國的傳統(tǒng)節(jié)日，如今又被賦予新的含義，傳統(tǒng)與現(xiàn)代巧妙結(jié)合，成為人們尊老助老的節(jié)日。請(qǐng)你根據(jù)下面表格中的內(nèi)容向你的英國筆友John介紹該節(jié)日,簡述你對(duì)敬老的態(tài)度與做法。詞數(shù)150左右，開頭和結(jié)尾已給出，不計(jì)入總詞數(shù)。
時(shí)間活動(dòng)意義/主要目的
農(nóng)歷九月初九“重陽節(jié)”登高、吃重陽糕等長壽
1989年起定為“老人節(jié)”(傳統(tǒng)活動(dòng)外)旅游、助老等活動(dòng)筋骨；尊老
ThanksfortellingmeaboutThanksgivingDay.NowI’dliketotellyousomethingaboutanotherfestivalinChina.DoubleNinthFestivalliesontheninthdayoftheninthlunarmonthinChina.
__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Lookingforwardtolearningmoreaboutyourholidays.
2.美文背誦
假設(shè)你在某日某時(shí)某地目擊一起車禍，就此寫一份見證書。見證書須包括以下幾點(diǎn)：
(1)車禍發(fā)生的時(shí)間及地點(diǎn)(2)你所見到的車禍情況(3)你對(duì)車禍原因的分析
AnEye-witnessAccountofaTrafficAccident
WhenIwasgoingbackhomefromcollegeatfouroclockintheafternoonlastFriday,June13th,
2003,Iwitnessedaterriblecaraccident.TheaccidenttookplaceontheMiddleFuxinRoad.
AsfarasIcouldremember,IwaswalkingonthepavementwhenablueSantanaswiftlypassedby.Whenitapproachedatruckparkedontheroadside,suddenly,agirlsteppedoutfrombehindthetruck.Onseeingthegirl,thecardriverpulledasuddenbrake.Butitwastoolate.Thegirlwashitbythecarandbouncedoffatleastthreemeters.Thenshelayontheroad,herlegswereseeminglyinjured.Thepoliceandtheambulancearrivedinlessthanfiveminutesandthegirlwassenttohospitalimmediately.
ThatisallIhadseen.Tomethemaincauseoftheaccidentmightbelikethis:Thegirlwasjustabouttowalktotheothersideoftheroadwhenthecarmovednear.Butforthebigcar,sheshouldhaveseentheapproachingdanger.Unfortunately,herviewwasblockedbythehugevehicle,whicheventuallyledtothetragedy.
3.假設(shè)你是高三學(xué)生李明，上周六晚上你和一些同學(xué)到飯店參加了同學(xué)王林的生日聚會(huì)。

請(qǐng)根據(jù)提示，用英語給海外的筆友Tom寫封E-mail，簡要描述這次聚會(huì)的過程，表達(dá)自己對(duì)這種日趨盛行現(xiàn)象的看法，以及贊成或反對(duì)的理由（至少兩點(diǎn)），并征詢Tom的觀點(diǎn)。
LastSaturdayevening,myfriendsandIwenttoarestauranttoattendmyclassmateWangLin’sbirthdayparty.Webroughthimmanyprettygifts,andsharedabigbirthdaycake.Thenwehaddinnerhappilytogether.Afterthat,wesangsongsanddanced.Intheend,wereturnedhomebytaxi.Allofushadagoodtime.
Nowadays,moreandmorestudentscelebratetheirbirthdaysinrestaurants.Therearedifferentvoicesfrompeople，butpersonally,（1）IthinkitOK.Withtheimprovementofpeople’slivingstandard,wecandothingswelikewithourpocketmoney.Ontheonehand,it’sagoodchanceforustocommunicatewitheachother,whichcanpromoteourfriendship.Ontheotherhand,wecanalsorelaxourselvesafteraweek’shardwork,freefromhighpressures.
（2）Idon’tthinkitgoodtodoso.
Ontheonehand,itisawasteoftimeforusSenior3students,whichshouldbespentmoremeaningfullyonourstudies.Ontheotherhand,itisalsoawasteofmoney,andthusstudentsaremorelikelytokeepupwiththeJoneses,whichdoesgreatharmtotheirpersonality.

高一英語backtothepast教案

Task
TeachingObjectives:
1toteachandinstructstudentssomespecificprocedureswhentryingtoachieveagoal
2tomakestudentsbeawareoftheappropriatewaysofperformingeachindividualprocedureandmastertheskills
3tomakesurestudentshaveopportunitiestocombinetheskillstheyhavelearnedwithreality
4toaidstudentstochooseandorganizetheinformationtheyhavegotandhelpthemcompletetheirproducts
5toenhancestudents’overallabilitiesandimprovetheirintegratedskills
Importantanddifficultpoints:
Makestudentslearnhowtowriteanoutlineofaspeechandhowtohostatalkaboutahistoricalevent.
Teachingprocedures:
PartA:objectcomplement
Step1leadin
Revisethegrammaritemsinthisunit(objectcomplements,either…or…andneither…nor…,andsubject-verbagreement).
Situation1:
------Didyoufindanythingspecial
whenyouwenttotheclassroom?
------No,Ididn’t.
------Youfoundthedooropen,didn’tyou?
------Oh,yes.ButIfoundnobodyintheclassroom.
lPosition
V.+Object+objectcomplement
eg:Theinspectorshotthedrug-dealerdead.
(=Thedrug-dealwasshotdeadbytheinspector.)
Step2learntheusageofobjectcomplement
Situation2:
------Whatdoyouthinkaboutherperformance?
------Weconsiderthatherperformanceisabigsuccess.
Weconsiderherperformanceabigsuccess.)
------Whatdopeoplethinkaboutdogs?
------Peoplebelievethatdogsarehonest.
(Peoplebelievedogstobehonest.)
lUsageAnobjectcomplement,whichgivesinformationabouttheobject,canbeanoun,anounphrase,anadjective,
ato-infinitive,abareinfinitive,oraprepositionalphrase.
Step3Practiseinojectcomplement.
------WhatdoyouthinkaboutHarryPotter?
------Ifindit________________________.
------Whathappenedtotheman?
------Themanwaskept_________.
Step4:Usethewordsandphrasesintheboxtocompletethefollowing
ProfessorZhangisagreatarchaeologist.HisworkhasmadethearchaeologicaldiscoveryofLoulan(1)_______________.Webelievehim(2)__________________________ashisworkseemsneverending.
WehaveallfoundProfessorZhang(3)______________.Hetookthetimetoanswerallourquestionsandhisanswerswereverywise.Wehavefoundhim(4)_________________.
Iwalkedinthedesertwiththeotherstudentsthisafternoonandwefoundthedesert(5)_______________.Theheartalmostdroveme(6)_____________eventhoughIwaswearingverythincottontrouserstokeepme(7)__________.ItseemsthatIshouldn’thavebroughtallthosethickclotheswithme.Ishouldhaveleftthem(8)____________________.
PartB:either…orandneither…nor
Step1:theuseofeither…orandnether…nor
Situation
------IhavegotoneticketforLiuXiang’s110m
hurdleracetobeheldinNanjing.
_______you_____yourdesk-matecanhaveit.
------IsitonSaturdayoronSunday?
------ItisonnextMonday.
------Oh,whatapity.Iamafraid__________I____mydesk-matecanenjoyit.
Step2:summary:
(1)Either…or…
canbeusedtoexpresstheideaofalternatives.
eg:YoucanchooseeitherAorB,whichmeansyouhavetwo
choices,i.e,youcanchooseanyoneofthetwo.
(2)Neither…nor…
canbeusedtojointwonegativeideastogether.
eg:NeitherAnorBisproperinquestionone,whichmeans
Aisnotproper,andBisnotpropereither.
§Situation
------Whosefaultisit?(notyours/notmine)
------Itisneitheryourfaultnormine.It’syourfriendJack’sfault.
PartC:Subject-verbagreement
Step1:Practiseandsummarize:
Fillintheblankswiththerightverbforms:
1.Thepeople’srepublicofChina_____(be)foundedin1949.
2.Thefoodtheyofferedontheplane______(be)delicious.
Theverbshouldbesingularifthesubjectis.
3.Twohours_____(be)notenoughforsomuchhomework.
4.Twentythousanddollars_____(be)alargeamountofmoneytome.
Theverbshouldbesingularifthesubjectisaphraseofmeasurement,moneyordistance.
Allofus_______(attend)thelectureaboutPompeii.
Mostofthelecture______(be)abouthowtheancientcitywasdiscovered.
Ispentonly30yuanbuyingbooksandtherestofmoney_______(be)spentonmyfood.
Whenthesubjectisallof/someof/halfof+noun/pronoun,theverbagreeswiththenounandpronoun.
Anexpertwithsomeassistants_____(be)senttoworkinGansuProvince.
Noonexcepttwoteachers________(know)thesecret.
XiaoMingaswellashisparents_____(be)interestedinmusic.
Whenthesubjectfollowedbywith/togetherwith/aswellas/,theverbagreeswiththesubject.
Eithertheteamleaderortheguides_____(be)lookingafterthestudents.
Neithernoodlesnorrice______(be)delicioustoday.
Eitheryouortheheadmaster_______(be)tohandoutprizestothosegiftedstudentsatthemeeting.
NotonlyyoubutalsoI_______(be)puzzledatherworriedlook.
Whenneither…nor/either…or/notonly…butalso…areusedtojointhesubjectsofasentence,theverbagreeswiththesubjectclosesttoit.
Hisfamily_____(be)tomovetothecountrysidenextmonth.
Hisfamily_____all(be)fondofpopularmusic.
Ourschool______(be)akeyschoolinJiangsuProvince.
Ourschool______doing(do)morningexercisesnowontheplayground.
Whenthesubjectisagroupnounlike:class/family/government/team…,weuseasingularverbifthenounidentifiesasingularorunit,orapluralverbifitidentifiesanumberofindividuals.
Step2:Exercise.
1.Eachofyou______responsiblefortheaccident.
a.amb.bec.isd.are
2.Eachmanandwoman______thesamerights.
a.hasb.havec.hadd.ishaving
3.Everymeans______triedbutwithoutmuchresult.
a.hasbeenb.havebeenc.ared.is
4.There______inthisroom.
a.aretoomuchfurnitureb.istoomanyfurnitures
c.aretoomuchfurnituresd.istoomuchfurniture
5.Themanagerorhisassistant______planningtogo.
a.wereb.arec.wasd.be
6.NotonlyIbutalsoDavidandIris______fondofplayingbasketball.
a.amb.isc.ared.was
7.NeitherTomnorhisparents______athome.
a.isb.arec.hasd.was
8.Eitherthedeanortheprincipal______themeeting.
a.attendsb.Attend
c.areattendingd.haveattended
9.______waswrong.
a.Nottheteacherbutthestudents
b.Boththestudentsandtheteacher
c.Neithertheteachernotthestudents
d.Notthestudentsbuttheteacher
10.“______twentydollarsabigsumtoher?”
“Isupposeso.”
a.Willbeb.Isc.Ared.Were
Homework:
Doexerciseintheworkbook.

高二英語Unit3Backtothepast教案