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教案unit61
章节
Unit6Nature
课时
4
教
学
目
的
Objectives
﹡Topicunderstanding:
naturalproblems
﹡Wordsandexpressions,difficultsentences.
Wordbuilding:
compoundwords
﹡Translation:
scientificandtechnologicalvocabulary
﹡Structuredwriting:
astatementsupportedbyexamples
﹡Readingskill:
Skimming（Review）
教学
重点
及
突出
方法
Emphasisisplacedon:
﹡topicunderstanding
﹡improvingthestudents’readingandtranslatingability.
Approaches:
﹡furtherstudents’understandingofthein-classpassagebyanalyzingtheroleofwords,phrases,connectors,sentencesandparagraphsinthepassage.
﹡introducetheformativeevaluationmethodstoreadingandtranslatingteaching
教学
难点
及
突破
方法
Difficultyinteaching:
Whilereadingapassage,thestudentstendtofocusontheseparatedwords,phrasesorexpressionsinsteadoftheideasofthesentences.
Approach:
Shifttheirfocusfromseparatewordstothecontext.
相关
内容
素材
Materials
﹡readingpassages
﹡onlineresource
﹡audio-visualmaterials
﹡simulatedtestofCET-4
教
学
过
程
教师授课思路、设问及讲解要点
UnitSixNature
SectionAHowtoPrepareforEarthquakes
SectionBChangesintheBalanceofNature
GeneralTeachingProcedureandTimeAllocation
Thefirstweek:
Period1&2（90minutes）:
I.Introduction（5ms）
II.Topicunderstanding:
（10ms）
III.Intensivereadingstudy:
SectionA（70ms）
﹡comprehensionquestions
﹡textstructureanalysis
﹡studyofnewwords,expressionsandtypicalsentencepatterns
﹡writingskill:
astatementsupportedbydetails
IV.Assigningafter-classhomework（5ms）
Thesecondweek:
Period3&4（90ms）:
I.RecitingpartofsectionA（5ms）
II.Areviewofpassage（55ms）
Thestudentsarerequiredtoparaphrasesomeimportantsentencesinordertofurthertheirunderstandingofthecontext.Theteachercanhelpbyexplainingthedifficultpoints.
III.Extensivereadingstudy:
SectionB（15ms）
readingskill:
skimming
IV.Furthercentraltopicunderstanding（10ms）
Groupdiscussion
V.Questionraisingandanswering（5ms）
Studentsaresupposedtoraisequestionsconcerningunit6whichtheystilldon'tunderstandaftertwoweeks’study.Peerstudentsandtheteacherofferanswersandhelp.
DetailedTeachingProcedure
Thefirstweek:
Period1&2（90minutes）:
I.IntroductionofUnit6（5ms）
Thethreeselectionsinthisunitdealwiththewonderfulandmysteriousworldofnature.Aconsistsofthreeparts:
thepreparationfor,theproperconstructionofbuildingstowithstand,andhumanemergenceplanningforearthquakes,.Inspiteoftheshorttimespanhumanbeingshaveoccupiedtheplanet;humansareusingupthenaturalresourcesanddisturbingthebalanceofnature.Weneedsolutionstoalltheseproblems.
II.Topicunderstanding:
NaturalDisasters（10ms）
Tangshan:
TheDeadliestEarthquake
At3:
42a.m.onJuly28,1976,amagnitude7.8earthquakehitthesleepingcityofTangshan,innorthernChina.Theverylargeearthquake,strikinganareawhereitwastotallyunexpected,obliteratedthecityofTangshanandkilledover240,000people—makingitthedeadliestearthquakeofthetwentiethcentury.
FireballsandAnimalsGiveWarning
Thoughscientificearthquakepredictionisinitsnascentstages,natureoftengivessomeadvancewarningofanimpendingearthquake.
InavillageoutsideofTangshan,wellwaterreportedlyroseandfellthreetimesthedaybeforetheearthquake.Inanothervillage,gasbegantospoutoutofthewaterwellonJuly12andthenincreasedonJuly25thand26th.Otherwellsthroughouttheareashowedsignsofcracking.
Animalsalsogaveawarningthatsomethingwasabouttohappen.OnethousandchickensinBaiguantuanrefusedtoeatandranaroundexcitedlychirping.Miceandyellowweaselswereseenrunningaroundlookingforaplacetohide.InonehouseholdinthecityofTangshan,agoldfishbeganjumpingwildlyinitsbowl.At2a.m.onJuly28,shortlybeforetheearthquakestruck,thegoldfishjumpedoutofitsbowl.Onceitsownerreturnedittoitsbowl,thegoldfishcontinuedtojumpoutuntiltheearthquakehit.
III.Intensivereading:
SectionA（70ms）
i.Comprehensionofthetextandtextstructureanalysis
Studentsworkindividuallytodividethewholepassageintoseveralmajorpartsandsummarizethemainideaofeachpart,thencomparetheanswerwiththepartner’stoseewhethertheysharethesameideaorhavedifferentanswers.Ifdifferent,whoseidesiscorrect?
Mainideaofthepassage----questions&answers
1.WhathavethescientistsdoneinJapaninordertodetectmovement?
Key:
Wiretheearthandsea,detect
2.WhathavetheChinesepeopledoneaboutearthquake?
Key:
Watchanimalsandplants,warningsigns
3.Whatanimalsshowwhatsigns?
Key:
1）hens—cages2）snakes—freeze
3）dogs—barkalot4）fish—surface
5）birds—noisy—flyunusually
4.Howaremostofthepeoplewhodieinearthquakekilled?
Key:
fallingbuildings
5.Whatisthesensitivewaytokeepallthefamilymembersinformedofeachotherinalargeearthquake-strickencity?
Key:
callthefriendsorrelatives,morethanahundredmilesaway
6.Whatshouldbeamajoremphasisforallgovernmentprogramsandearthquake-relatedresearchprojects?
Key:
education,concerning,surviveearthquake
Textstructure
Howshouldpeoplepredictwhenanearthquakeisgoingtohappen?
（para.1）
Howshouldpeoplepreventthegreatdestructionofpropertycausedbyearthquakes.（para.2）
Howshouldpeoplepreparethemselvesforthepossibilityearthquake?
（paras.3-6）
Evenifpredictionbecomespossible,peoplestillhavetodotheirbesttopreventdisasters.（para.7）
ii.Studyoflanguagepoints（newwords,expressionsandtypicalsentencepatterns）
﹡Wordsandexpressions
1.afterall（L.15）
1）.inspiteofwhathasbeendone
2）.shouldberemembered\
不管怎样，最终她还是来看他了。
Intheendshecametoseehimafterall.
别忘了，演员的生活就是与语言打交道的。
Afterall,anactor’slifeisspentworkingwithwords.
2.towithstandthepowerofearthquakes（L.18）
withstand:
endure,resist
Withstandthestorm顶住暴风雨
Withstandseveretests经得起严峻的考验
Withstandanotherattack抵挡住又一次进攻
Withstandhardwear耐穿
Withstandpressure禁得住压力
3.tobeamajorconcern（L.18）
becomesth.peopleareconcernedaboutmost
怎样防止非典的卷土重来（resurgence）是公众关注的重点之一。
HowtopreventtheresurgenceofSARSisoneofthemajorconcernsamongthepublic.
4.joint（L.22）
shared,heldordonebytwoormorepeopletogether
jointventure合资企业
jointeffort共同的努力
jointdecision共同的决定
5.inaddition（to）（L.26、34）
除英语外，她还会说五种外语。
Shespeaks5foreignlanguagesinadditiontoEnglish.
6.attachsth.tosth.（L.31）
那幅画用钉子挂在墙上。
Thepicturewasattachedtothewallbyanail.
7.agreeon:
havethesameopinionabout（L49）
agreeto:
accept;approve
agreewith:
havethesameopinionwithsb.
1）Finallythecommittee__________yourrequest.
2）Ican’t__________yourfather;itisafoolishrisk.
3）Thetwosides_______________thedateofnegotiation.
Key:
agreedtoagreewithhaveagreedon
8.beresistantto（L.64）
offerresistanceto
保守的人通常反对变化。
Conservativepeopleareusuallyresistanttochange.
﹡Sentenceanalysis
1.sothat
引导结果状语从句
Architectsnowdesignbuildingssothatthebuilding’scolumnsandhorizontalbeamsareofequalstrength.（L.24）
引导目的状语从句
Andfastendoorssothattheywillnotopenaccidentallyduringanearthquake.（L.32）
铅笔掉到桌子底下，找不到了。
ThepencilfelldownunderthetableSothatIcouldn’tfindit
他的一个肺被感染了，需要休息。
Oneofherlungsisaffectedsothatshehastorest
让他尽快完成这些信，以便我在上面签名。
AskhertohurryupwiththeletterssothatIcansignthem
我会把一切都告诉你，使你自己能做出判断。
I’llgiveyouallthefactsSothatyoucanjudgeforyourself
2.beof+抽象名词表示该名词所表达的性质
Architectsnowdesignbuildingssothatthebuilding’scolumnsandhorizontalbeamsareofequalstrength.（L.24）
Paraphrase:
Architectsnowdesignbuildingsinsuchawaythatthebuilding’scolumnsandhorizontalbeamsareequalinstrength.
常见抽象名词：
use,help,importance,experience,joy,benefit,value,interest,significance
Translation:
你的建议对我很有帮助。
Youradvicewasofgreathelptome.
很多种证据在法庭上不起作用
Manykindsofevidencearenotofmuchuseincourt.
iii.Writingskill:
astatementsupportedbydetails
Supportingatopicsentencewithexamplesmakesageneralstatementspecificandeasytounderstand.
Example:
Paragraph2
Ageneralstatement:
Peoplewouldalsoliketobeabletopreventthegreatdestructionofpropertycausedbyearthquakes.
Detail1.
Toimprovebuildingstructuresthatcanwithstandthepowerofearthquakes.
Detail2.
Architectsdesignbuildingsinawaythatthebuilding’scolumnsandhorizontalbeamsareofequalstrength,andverticalsupportcolumnsareinserteddeepintosolidsoil.Inaddition,manynewhouseshaverelativelylightroofsandstrongwalls.
Detail3.
Concretepillarsforhighwaybridgesthatpreviouslyonlyhadsteelrodsinsidesarenowenclosedinsteel.
V.Assigningafter-classhomework（5ms）
Task:
structuredwriting:
NaturalBalanceShouldTakePrecedenceOverEconomicDevelopment.
Beforenextclass,finishthefollowingtasks:
※PreviewtextB,dotheexerciseⅩⅤonpage168
※Howmuchcanwedotosaveourworld?
1.Findasmanypropernamesofnaturaldisasters.
2.Chooseoneasthetaskofyourgroup,talkaboutthecausesandwaysofpreventit.
3.Besuretopreparesomekeywordsbeforehand.
Thesecondweek:
Period3&4（90ms）
I.RecitingpartofsectionA（5ms）
II.ReviewofSectionA（55ms）
﹡Typicalpatternsforpredicting
原句:
Clearly,somelocationsonearthalreadyhavetoomanypeople;inmanyofthisareas,futureincreaseswillsurelybringaboutmorepovertyandsuffering.（P.BL.32）
很明显，地球上某些地区人口已经饱和；在这其中的许多地区，未来的人口增长肯定会带来更多的贫穷和苦难。
句型提炼
Clearly,…al
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