Unit 4 Astronomy the science of the starsVocabulary and Useful Expressions.docx
- 文档编号:25831808
- 上传时间:2023-06-15
- 格式:DOCX
- 页数:11
- 大小:22.19KB
Unit 4 Astronomy the science of the starsVocabulary and Useful Expressions.docx
《Unit 4 Astronomy the science of the starsVocabulary and Useful Expressions.docx》由会员分享,可在线阅读,更多相关《Unit 4 Astronomy the science of the starsVocabulary and Useful Expressions.docx(11页珍藏版)》请在冰豆网上搜索。
Unit4AstronomythescienceofthestarsVocabularyandUsefulExpressions
Unit4Astronomy:
thescienceofthestars(VocabularyandUsefulExpressions)
Unit4Astronomy:
thescienceofthestars(VocabularyandUsefulExpressions)
●三维目标
.knowledge:
(1)words:
crack,burst,ruin,injure,destroy,shock,last的具体用法。
(2)Phrases:
atanend,rightaway,digout的用法
(3)Sentencepatterns:
Allhopewasnotlost.(部分否定句)
2.Ability:
(1)Trainthestudents’abilitytoreaddifferentnumbersinEnglish.
(2)Learntheusageofsomedifficultwordsandexpressions.
(3)Trainthestudents’abilitytoremovethedifficultieswhilereading.
3.Emotion:
(1)Trainthestudents’abilitytocooperatewithothers.
(2)knowthedeadlinessofanearthquakeandthesignsbeforeanearthquakeiscoming.
(3)LearnfromthebraveryofpeopleinTangshantofacetherealityandrebuildthecity.
●教学重点
(1)Trainthestudents’abilitytoreaddifferentnumbersinEnglish.
(2)Trainthestudents’abilitytocooperatewithothers.
●教学难点
(1)Theexplanationofsomedifficultwordsandexpressions.
(2)Trainthestudents’abilitytoremovethedifficultieswhilereading.
●教具准备
(1)ataperecorder
(2)aprojector
(3)theblackboard
●教学过程
Step1Greetings
Greetthewholeclassasusual.
Step2Revision
T:
Inthelastperiod,welearnedsomethingabouttheterribleTangshanEarthquakein1976,whichisthedeadliestearthquakeinchina’shistory.NowIamgoingtoaskyousomequestionsbasedontheReadingpassage.
T:
whatdidpeopleinTangshanseeintheskybeforetheearthquake?
S1:
Theysawbrightlightsinthesky.
T:
whatdidpeoplehear?
S2:
TheyheardthesoundofplanesoutsideTangshanevenwhennoplaneswereinthesky.
T:
whatdidpeoplenoticeinthewells?
S3:
Peoplenoticedthewellwallshaddeepcracks,andasmellygascameoutofthecracks.
T:
Didpeoplepayanyattentiontotheseabnormalphenomena?
S4:
No.Theywenttobedasusualthatnight.
T:
whendidtheearthquakebegin?
S5:
At3:
42inthemorningofjuly28.
T:
Howmanypeoplewerekilledorinjuredinthequake?
S6:
morethan400000people.
T:
couldtheinjuredpeoplegotohospital?
S7:
No,theycouldn’tbecauseallofthecity’shospitalsweregoneinthequake.
T:
werethereanyaftershocks?
S8:
yes.Laterthatafternoon,anotherbigquakeshookTangshan.manyrescueworkersanddoctorsweretrappedundertheruins.
T:
Didthesurvivorsdenythecityandgotoliveinotherplaces?
S9:
No.Theydidtherescueworkwiththehelpof150000soldierssentbythearmy.SlowlythecityofTangshanbegantobreatheagain.
T:
Iamverysatisfiedwithyourwork.
Step3LearningaboutNumbers
T:
maybeyouhavealreadynoticedthattherearealotofnumbersintheReadingpassage.Toreadthemcorrectlyisveryimportant.SometimesthereisatestonnumbersinListening.
T:
NowturntoPage28andlookatPart3.matcheachwordtothenumberthathasthesamemeaning.
(AllowSsseveralminutestofinishthetask.)
T:
Nowlet’scheckyouranswers.
S:
A.90%
ninetypercent
B.10000
tenthousand
c.1000000
onemillion
D.150000
onehundredandfiftythousand
E.75%
seventy-fivepercent
F.1/3
one-third
G.500000
halfamillion
H.2/3
two-thirds
Step4Importantpoints
T:
IntheReadingpassageofthisunit,therearesomeimportantwordsandexpressions.Iwillfirstgiveyoufiveminutestopickoutthedifficultwords,expressionsandsentencepatterns.youmayworkwithyourpartner.
(Afterfiveminutes.)
S1:
Inthefirstparagraph,“...thewaterpipesinsomebuildingscrackedandburst.”Howcanweunderstand“burst”?
T:
Ifsomethingburstsorifyouburstsit,itbreaksopenorapartsuddenlyandviolentlysothatitscontentscomeout.
e.g.youaregoingtobursttheballoon,ifyouarenotcareful.
S2:
Inthefirstparagraph,“Farmers’wivesnoticedthatthewellwallshaddeepcracksinthem.”andinthesecondparagraph“Ahugecrackthatwaseightkilometerslongandthirtymeterswide.”Dothetwo“cracks”havethesamemeaning?
T:
youareverycareful.yes,theyhavethesamemeaning.Bothofthemarenouns.“crack”meansaverynarrowspacebetweentwothingsortwopartsofsomething.“crack”canalsobeaverb,meaningtobreakormakesomethingbreaksothatitgetsoneormorelinesonitssurface,asinthesentence“Inthecity,thewaterpipesinsomebuildingscrackedandburst.”
e.g.Shefelloffherbikeandcrackedaboneinherleg.
S3:
Howcanweunderstandthissentenceinthesecondparagraph“Itseemedthattheworldwasatanend.”?
T:
Inordertounderstandthissentence,youhavetoknowthemeaningofthephrase“beatanend”.Itreferstoasituationinwhichsomethingisfinishedornolongerexisted.
e.g.Thelonghotsummerwasatlastatanend.
otherexamplesare“cometoanend”,“putanendtosth.”.
T:
Sonowwhocanexplainthesentenceinourtext?
S4:
Letmehaveatry.Theearthquakewassoterriblethatnearlyeverythingwasdestroyed.Sopeoplethoughtitwastheendoftheworld.
T:
Excellent.Andthissentenceusesexaggeration.
S5:
Inthesecondparagraph,“Infifteenterriblesecondsalargecitylayinruins.”whydon’tweuse“ruin”insteadof“ruins”?
T:
“Ruin”canbeanuncountablenoun,whichmeansasituationinwhichyouhavelostallyourmoney,yoursocialposition,orthegoodopinionthatpeoplehadaboutyou.
e.g.withthecollapseofgrainprices,smallfarmersareonthebrinkoffinancialruin.
while“ruins”meansthepartofabuildingthatisleftaftertheresthasbeendestroyed.
e.g.theruinsofabombed-outofficeblock
S6:
Inthesecondparagraph“Two-thirdsofthepeoplediedorwereinjuredduringtheearthquake.”canweuse“wound”totaketheplaceof“injure”?
T:
No.Toinjuresomeonemeanscausingphysicalharmtosomeone,forexampleinanaccidentoranattack.Towoundsomeonemeansinjuringsomeone,especiallybymakingacutorholeintheirskinusingaknife,gun,etc.
e.g.
(1)oneoftheplayersinjuredhiskneeandhadtobecarriedoff.
(2)Gunmenkilledtwopeopleandwoundedsixothersinanattacktoday.
S7:
Inthethirdparagraph“Everywheretheylookednearlyeverythingwasdestroyed.”canweusetheword“ruin”totaketheplaceof“destroy”?
T:
No.“Destroy”meanstodamagesomethingsobadlythatitnolongerexistsorcannotberepaired.Ifyou“ruin”somethinggoodoruseful,itthenusuallyexists,butnolongerhasitsgoodqualitiesorfeatures.
e.g.
(1)Theschoolwascompletelydestroyedinthebigfirelastnight.
(2)Toomuchsugarcanruinyourteeth.
S8:
Inthethirdparagraph,“Peoplewereshocked.”what’sthemeaningofthesentence?
T:
“Shock”heremeanstomakesomeonefeelverysurprisedandupsetandunabletobelievewhathashappened.
e.g.Themurderofsuchayoungchilddeeplyshockedthewholecommunity.
S9:
Sothesentenceinourtextmeanspeopleweresurprised.
T:
yes.Butthereisaslightdifferencebetween“shock”and“surprise”.Ifsomethingis,comesas,orgivesyouashockitisunexpectedandoftenverybad.
e.g.Itcameasagreatshocktohearshewasleavinghome.
Butasurpriseissomethingthatisunexpected,butisnotnecessarilybad.
e.g.whatanicesurprise!
Ididn’teventhinkyouwereinthecountry!
S10:
Inthethirdparagraph,“Peoplebegantowonderhowlongthedisasterwouldlast.”whatdoestheword“last”meaninthissentence?
Isitanadjective?
T:
No,itisnotanadjectivebutaverb.“Last”heremeanstocontinueforaparticularlengthoftime.
e.g.Thehotweatherlastedforthewholemonthofjuly.
Asaverb,“last”couldalsomeantomanagetoremaininthesamesituation,evenwhenthisisdifficult.
e.g.Theywon’tbeabletolastmuchlongerwithoutfreshsupplies.
Theword“last”canalsobeusedasalinkingverb.Itmeansbeingenoughforsomeonetouse.
e.g.weonlyhad$50tolastustherestofthemonth.
S11:
Inthelastparagraph,“Allhopewasnotlost.”whatisthemeaningofthissentence?
T:
Thissentenceisapartialnegative.Ithasthesamemeaningwith“Notallhopewaslost.”
e.g.
(1)Allthestudentsdonotagreetotheplan.
(2)Notallthestudentsagreetotheplan.
Thesetwosentencesmeansomeofthestudentsagreetotheplan,butsomedon’t.
Step5consolidation
T:
Nowaftertheexplanationsofthewords,expressionsandsentencepatterns,let’sdosomeexercises.PleaseturntoPage28andlookatPart2inLearningaboutLpletethepassagewithsomeofthewordsinthetext.
(Afterseveralminutesteacherasksoneofthestudentstoreadtheshortpassage.correctanymistakesifthereareany.)
Step6Homework
T:
Inordertomastertheusageofthesewordsandexpressions,pleasedosomerelatedexercises.FinishoffthetwopartsinUsingwordsandExpressionsonPage63.
●板书设计
Unit4Earthquakes
TheThirdPeriod
Importantwords:
.burst(v.)2.crack(n./v.)
3.ruin
4.injure/wound
5.destroy/ruin
6.shocked
7.last(vi.)
ImportantExpressions:
.Itseemedthattheworldwasatanend.
2.Allhopewasnotlost.(部分否定句)
●活动与探究
Story-tellingcompetition:
Formostofhumanhistory,peoplecouldonlyimaginewhatcausedearthquakestohappen.Sostoriesweretoldtoexplainthisnaturaldisaster.AstoryfromIndiasaysthatfourverybigelephantsholeuptheearth.Theelephantsstandonthebackofabiggerturtle.Theturtlestandsonanevenbiggersnake.whenanyofthesehugemagicalanimalsmove,theearthbeginstoshake!
.Inpairsmakeupastorytoexplainhowanearthquakehappens.
2.Shareyourstorywithyourclassmates.
3.choosewhichoneisthemostinteresting.Giveareason.
●备课资料
知识点归纳:
.shake用法归纳(shake,shook,shaken)
(1)抖动,震动,常作不及物动词,也作及物动词。
Thehouseshookwhentheearthquakestarted.
当地震发生时,房子震动了。
Shewasshakingwithanger.
她气得发抖。
Hisheavystepsshooktheroom.
他沉重的脚步使房子都震动了。
Shewasbadlyshakenbythenews.
她对这个消息大为震惊。
(2)摇动,作及物动词
Shakethebottlebeforetakingthemedicine.
服药前摇匀。
(3)颤动,作不及物动词
Hishandsshookalittleashewrote.
他写字的时候手有点发抖。
Hisvoiceshookwithemotion.
他很激动,声音都有些颤抖了。
(4)shakeproofadj.防震的,抗震的
(5)常用短语:
①和某人握手
shakehandswithsb.
shakesb.’shand
shakesb.bythehand
Heshookhandswarmlywithme.
Heshookmyhandwarmly.
Heshookmewarmlybythehand.
他和我热情地握了手。
②摇头shakeone’shead
(6)辨析
shake系常用词,指“上下来回短促而急速地摇动”。
Shakebeforetaking.
(药瓶标签上)服前摇匀。
tremble指“由于恐惧、悲愤、兴奋等情绪或因寒冷、疲劳等引起无意识地颤抖”。
Shetrembledatthelion’sroar.
听到狮吼,她浑身发抖。
quake可与tremble换用,但较为正式,指“强烈地颤动”。
Theearthquaked.
地震了。
quiver指“轻微而急速地颤动、摇动”。
Theleavesquiveredwiththebreeze.
树叶随微风摆动。
shiver指“由于寒冷、恐惧或生病而发抖”。
Heshiveredwithcold.
他冻得发抖。
2.strike用法归纳(strike,struck,struck/stricken)
(1)打,击,敲,常表示用力打,可以是一次或多次。
Strikewhiletheironishot.
趁热打铁。
hit比strike稍弱,指一次性的打或击中。
beat指连续多次地打,也指有节奏的击打,心脏跳动用beat。
(2)触(礁),撞
Hisheadstruckthetableashefell.
他摔下时头撞在了桌子上。
(3)发起进攻,袭击
ourtroopsstrucktheenemycampatdawn.
我们的部队在黎明时分袭击了敌营。
(4)擦(火柴)
Istruckamatchandheldittohiscigarette.
我擦着了一根火柴来点燃他的香烟。
(5)
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- Unit Astronomy the science of starsVocabulary and Useful Expressions
链接地址:https://www.bdocx.com/doc/25831808.html