《Unit3Theenvironment》教案.docx
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《Unit3Theenvironment》教案.docx
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《Unit3Theenvironment》教案
《Unit-3-The-environment》教案
D
Talksomethingabouttheenvironment.AskSstodiscussquestions.(groupwork)
Whatpollutionsdoyouknowaroundyou?
Whatdotheycause?
2.Pre-reading
Sslookatthepictures,thetitle,theintroductionandthesub-headingsofthearticleonpage35.thentrytoanswerquestionsorallyinB.(groupwork)
3.While-reading
Getsstotrytofindout:
1)Whatisthearticlemainlyabout?
\
2)Whatproblemsdoesthearticlediscuss?
3)Aconsumerissomeonewhobuysandusesthings.Canyouguesswhata“greenconsumer”is?
(3)SsReaditagainandfillintheblanks.(Individualwork)
a.Thereasonofthegreenhouseeffectisthat_________.
b.Thegreenhouseeffectwillcause________and__________.
c.Usingthingsonceandthenthrowingthemawaywill______.
d.Peopleshouldonlybuyanduse“_________”things.
(4)ExplainsomelanguagepointsandhelpSsmastertheminspokenformandwrittenform.
GetsstofinishexerciseC1andC2onpage36.
4.Post-reading
(1)Showsomevideosaboutthegreenhouseeffect(betterinEnglish)toSssothattheycanknowmoreaboutit.
5.Summary
6.Homework.
(1)Lookforsomevideos,picturesandarticlesaboutthegreenhouseeffectandhelpthemselvesknowmoreaboutit.
(2)Listentothetape.
(3)Reviseusefulwordsandexpressions.
(4)Finishrelevantexerciseinexercisebooks.
(5)Readthepassage.Payattentionto“Understandingmeaningfulclusters.”
第二课时
一、教学内容:
ReadingB
二、课型:
input-based,阅读理解为主。
三、教学目标:
1、指导学生阅读理解文章,获取信息,让学生掌握如何捕捉不同人物对同一话题的观点。
阅读的速度慢是学生的拦路虎,平时阅读时,由于没有紧迫的时间压力,学生养成逐字逐句慢慢看,慢慢理解的坏习惯。
考试时还没看懂题目就急吼吼答题,正确率自然难以保证。
在平时的阅读中,可以指导学生选择一些经常出现的意群进行操练,长期训练,自然就能大大提高学生的理解能力。
一目一词的阅读方式不仅速度慢,而且影响理解,无法形成完整的概念,效率高的读者总是将眼睛从一组词移向另一组词,即一个意群一个意群地阅读。
2、指导学生了解生活中的污染源,提醒学生要爱护环境,尽量不使用会污染环境的物品。
3、指导学生运用一定的阅读理解学习策略,培养一些阅读微技能,如:
推断和加快阅读捕捉重要信息。
4、学习重点词汇及短语
四、教学环节设计:
1.Revision
(1)Haveadictation:
somewords,somephrasesandafewsentences.
(2)CheckSs’homeworkfirstandexplainsomedifficultpointsinit.
(3)AskseveralSstospeakoutwhattheylookforaboutthegreenhouseeffectandsharetheinformationwithclassmates.
2.Pre-reading
(1)Sstrytospeakoutsomeexamplesofpollutioninthepictureandthenlabelthepicturewiththecorrectletters.(pairwork)
(2)IntroducethebackgroundinformationofthearticleandgothroughtwoquestionsinB.
3.While-reading
(1)SsreaditquicklyandanswerQsinB.
(2)SsgothroughtheD1,D2andcomparewhatthedifferencesarebetweenForest’sviewandJohn’sview.(利用文章的标题“Theworldisindanger”进行阅读拓展,让学生解读标题的含义,了解到这是一篇有关环境保护的说明文,本文中,作者在对某一科普知识的描述上均采用“因果关系”的方法。
如在第一部分Thegreenhouseeffect中,作者对于因果关系的描述是环环相扣的,如下面的流程图所示:
让学生发表各自对本课环境问题的观点,提高学生英语运用能力。
Peopleburnfuelssuchaspetrolandcoal
↓
Theyproduceagascalledcarbondioxideandtoomuchcarbondioxidepollutestheatmosphere.
↓
Theatmospherekeepsintoomuchheat.
↓
TheEarth’stemperatureisincreasing.
↓
Sealevelrisesandcitiesmaydisappear.
(3)Ssreaditagainandfillinthetable.
(4)Explainsomekeywordsandlanguagepointsinthearticle.
1.cause….to….
2.keepin….
3.indangerof
4.let…..in….
5.keep/prevent/stop….fromdoingsth
6.asaresultof
7.thesame…as…
8.takein
9.resultin
10.mountainsof
11.inorderto/inorderthat
12.takeaction
13.differentfrom/to
14.befriendlyto
15..同级比较:
1)肯定:
…as+adj.原级/adv原级+as…(和…一样)
否定:
…notas/so+原级+as…
2)多音节:
“比……”more+多音节adj.+than…
“不如……”less+多音节adj.+than…
3)…倍数+as+原级+as…“是…的多少倍”
…倍数+比较级+than…“比…多少倍”
16.asadj/advassbcan/could=asadj/advaspossible
17.forthepurposeof
18.makeadifference
4.Post-reading
(1)Sspreparetohaveadiscussion.HalfofthemwillagreewithForestandtherestwillagreewithJohn.Sstrytogivesomereasonstosupporttheirviews.
(2)Sshaveadiscussionintheclass.
(3)Tgivesasummaryaboutthediscussion.
5.Summary
6.Homework
(1)Doyouhaveanyideasaboutpollution?
What’stheanswertothispollution?
Sstrytothinkaboutsomepollutionandsolutions.Ssdiscussitingroups.
(2)Finishrelevantexerciseinexercisebooks.
(3)Reviseusefulwordsandexpressions.
(4)Listentothetapeandreadthepassage.
第三课时
一、教学内容:
ListeningA&B
二、课型:
input-based,听力理解为主。
三、教学目标:
1、在听力过程中,指导学生透过题目中的提示信息或线索,结合听力材料中的时间词和时态,把握事件发展顺序。
2、指导学生如何把握听力过程中的关键词,如:
数词、动词和形容词,培养学生的速记能力。
3、学习重点词汇及短语
四、教学环节设计:
1.Revision
(1)Sshaveaquizabouttheusefulwordsandexpressioninreadingclass.
2.ListeningA
(1)Dictatesomesentenceswithdifferenttensesandtimeexpressions.
(2)AskSstopaymoreattentiontotensesandtimeexpressionsbecauseithelpsSsunderstandthesequenceofevents.
(3)TakeexerciseAinListeningAforexample.Sslookat6picturesandinferthesequencefirst.
(4)PlaytherecordingfirstandSstrytowritethecorrectorder.
(5)Playitagainifitisnecessary.
(6)Ssfinishexercisebandcindependentlyaftergoingthroughthepicturesandlistening
materials.
3.ListeningB
(1)IntroducethebackgroundinformationtoSs:
Benisaskinghisclassmatessomequestionsabouttheenvironment.Lookatthetablefirsttoseewhatthequestionsare.
(2)Ssgothroughthetablethemselveswiththelisteningmaterialscovered.
(3)Playtherecordingfirstandtrytofillinthetable.
(4)Playitagainandcheckanswersindividually.
(5)Explainsomeusefulexpressionsinthelisteningmaterial.
(6)Readthelisteningmaterialaloudfollowingtherecording.
4.Homework
(1)Pairwork—Makeadialoguelikethislisteningmaterial.Onestudentasksquestionsabouttheenvironment,theotherstudentanswerwhathe/shewilldo.
(2)Finishrelevantexerciseinexercisebooks.
(3)Reviseusefulwordsandexpressions.
(4)Listentothetape,anddotheexercisesinbookB.(听力部分)
第四课时
一、教学内容:
Language(语法课)
二、课型:
Practice-based,启发学生,归纳语言知识,开展各层次、强化性和综合性练习,实现知识由显性向隐性的过渡。
三、教学目标:
1、指导学生学会用why提问原因,用because来回答理由。
2、指导学生用(not)as┅as┅的句型比较两事物。
3、指导学生用like,thesameas,differentfrom比较两事物,其中,让学生注意like作为动词和介词时的用法区别。
四、教学环节设计:
1.Revision
(1)Haveadictation:
somewords,somephrasesandafewsentences.
(2)CheckSs’homeworkandexplainsomedifficultpoints.
(3)AsksomepairsofSstopresenttheirdialogue.
2.PartA:
whyandbecause.
(1)Show2pictureswith“why”and“because”andpresenthowtousethemorallytoSs.
(2)AskSstoreadthesentencestogetherandhelpthemunderstandtheirusage.TwillexplainsomeimportantpointstoSs.
(3)SsfinishA1inpairsandcheckanswers.
Practice:
一、Writethequestionsyouwouldaskinthefollowingsituations.(根据下列情景,仿照所给例子写出恰当的问句。
)
1)Yourfriendhasleftherfood.Whyhaveyouleftyourfood?
2)BlackisgoingtoAmericaforholiday.___________________________________________
3)Davidiswearingabaseballcap.___________________________________________
4)Yourfriendchoseapinkumbrella.___________________________________________
5)Jackissittingonhisown.___________________________________________________
3.PartB:
Using(not)as┅astocomparethings.
(1)Showsomepicturestocomparethingssimilar(ornotsimilar)insomeways.
(2)Presentthestructure“(not)as┅as┅”toSsandgivesomeexamplestoSs.
(3)GiveseveralpicturesandaskSstouse“(not)as┅as┅”tomakesentencestocomparethings.(pairwork)
(4)SsfinishexerciseinPartB.
4.PartC:
Comparingthingslike,thesameas,differentfrom
(1)Makelotsofsentenceswith“like,thesameas,differentfrom”intheirdailylifesothatSsfeelquitefamiliar.
(2)Showsomepicturestocomparethingswith“like,thesameas,differentfrom”andaskSstomakesentencesinpairs.
(3)Presentthemwithsomeverbsinsentences:
be,feel,look,seem,smell,sound,taste.
(4)CompleteexerciseinPartC.
5.Practiceinclass
1)Askthestudentstochangethefollowingsentencesintoanotherexpression.
a)Idon’tlikeapplesverymuch.Ilikeoranges.
I______oranges______________apples.
I_______oranges_______apples.
b)Ilikenoodles.Idon’tlikerice.
I_______noodles_____________rice
I_______noodles________rice.
c)Shelikeslisteningtomusic.Shedoesn’tlikewatchingTV.
She_________listening_______________watchingTV.
She_________listening_______watchingTV.
2)Askstudentstoanswerthefollowingquestions.
a)Whydoyoulikecoffeeverymuch?
b)Whywouldyoupreferlemonjuice?
3)Askstudentstothinkaboutourenvironmentandthinkofthefollowingquestions
a)Arethereanykindsofpollutionaroundus?
Whatarethey?
b)Whatcanwedotostoppollutingtheenvironment?
c)Saysomethingabouthowtoprotecttheenvironment.
6.Homework
(1)Finishrelevantexerciseinexercisebooks.
(2)Reviseusefulwordsandexpressions.
补充练习:
一、Writesentenceswithas…as….(用as…as…的结构完成下列句子。
)
1.AthensisolderthanRome.Romeisn’tasoldasAthens.
2.She’smorenervousthanhim.He____________________________________________.
3.Yougotupearlierthanme.Ididn’t________________________________________.
4.Theyplayedbetterthanus.We__________________________________________.
5.They’vebeenherelongerthanyou.You___________________________________________.
6.Myroomisbiggerthanyours.Yourroomisn’t_________________________________.
二、Choosethecorrectphrasefromtheboxtocompleteeachsentence.(从方框中选择正确的单词或短语完成下列各句。
)
1.Mywatchis____________yours.MineismadeinJapan,butyoursismadeinSwitzerland.
2.Theyare____________age,buttheyarein____________grades.
3.Betty’sdresslooks____________Joan’s.Ican’ttellthedifference.
4.Herhouseis____________size____________mine.
5.Yourhatisjust____________mine.Onlythatmineisblack,andyoursisblue.
6.Tomeats
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