英语一轮人教版必修3教案Unit 4《Astronomythe science of the stars》period 1 warming up and readingWord文档格式.docx
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英语一轮人教版必修3教案Unit 4《Astronomythe science of the stars》period 1 warming up and readingWord文档格式.docx
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体系;
制度
thus
adv.所以;
于是
religion
n.宗教;
宗教信仰
dioxide
n.二氧化物
theory
n.学说;
理论
biology
n.生物学
atom
n.原子
biologist
n.生物学家
billion
pron.&
n.&
adj.(英)万亿;
(美)十亿
puzzle
n.迷;
难题vt.&
vi.(使)迷惑;
(使)为难
globe
n.球体;
地球仪;
地球
gravity
n.万有引力;
重力
violent
adj.猛烈的;
激烈的;
强暴的
float
vt.&
vi.(使)浮动;
(使)漂浮n.漂浮物
carbon
n.碳
gentle
adj.温和的;
文雅的
atmosphere
n.大气层;
气氛
physicist
n.物理学家
unlike
prep.不同;
不像
climate
n.气候
fundamental
adj.基本的;
基础的
crash
vi.碰撞;
坠落
harmful
adj.有害的
spaceship
n.宇宙飞船
acid
n.酸
pull
n.&
vt.拉;
拖;
牵引力
chain
n.链子;
连锁;
锁链
satellite
n.卫星;
人造卫星
multiply
vi.乘;
增加
mass
n.质量;
团;
块;
大量
oxygen
n.氧
exhaust
vt.用尽;
耗尽
短语
solarsystem太阳系
blockout挡住(光线)
intime即时;
终于
cheerup感到高兴;
感到振奋
layeggs下蛋
nowthat既然
givebirthto产生;
分娩
breakout突发;
爆发
inone’sturn轮到某人;
接着
watchout密切注视;
当心;
提防
carbondioxide二氧化碳
prevent...from阻止;
制止
重要句型
1.Whatitwastobecomewasuncertainuntilbetween4.5and3.8billionyearsagowhenthedustsettledintoasolidglobe.(betodo;
what-clauseasthesubject)
2.Theearthbecamesoviolentthatitwasnotclearwhethertheshapewouldlastornot.(so...that;
itis/wasnot+adj.+whether-clause)
3.Whatisevenmoreimportantisthatastheearthcooleddown,waterbegantoappearonitssurface.(what-clauseasthesubject;
that-clauseasthepredicative)
4.Itwasnotimmediatelyobviousthatwaterwastobefundamentaltothedevelopmentoflife.\[itis/was(not)+adj.+that\]
5.Sowhetherlifewillcontinueontheearthformillionsofyearstocomewilldependonwhetherthisproblemcanbesolved.(whether-clauseasthesubject;
dependon+whether-clauseastheobject)
功能
Instructions:
Pleasepayattentionto...Pleasecheckthat....Youneed...
Don’tforgetto...Makesurethat....Watchoutfor...
You’dbetter...Youmust/mustn’t...Pleaselookat...
语法
Nounclausesasthesubject
Whatitwastobecomewasuncertain...
...itwasnotclearwhetherthesolidshapewastolastornot.
教学重点
1.Getstudentstolearnaboutthedevelopmentoftheearthandmakingaspacetrip.
2.HavestudentslearnsomeusefulnewwordsandexpressionsandletthemlearneffectivewaystorememberEnglishvocabulary.
3.Enablestudentstousetheexpressionsofinstructionscorrectlyindailylife.
4.Letstudentslearnthenewgrammaritem:
nounclausesasthesubject.
5.Developstudents’listening,speaking,readingandwritingabilities.
教学难点
1.Enablestudentstomastertheuseofnounclausesasthesubject.
2.Letstudentslearntowriteashortarticletoshowtheirproblemsandthewaystoovercomethem.
3.Developstudents’integrativeskills.
课时安排
Periodsneeded:
7
Period1Warmingupandreading
Period2Learningaboutlanguage:
Importantlanguagepoints
Period3Learningaboutlanguage:
Grammar
Period4Usinglanguage:
Listeningandspeaking
Period5Usinglanguage:
Extensivereading
Period6Usinglanguage:
Speakingandwriting
Period7Revision:
Summingupandlearningtip
整体设计
教材分析
Thisisthefirstteachingperiodofthisunit.Atthebeginningoftheclass,theteachercanleadinthetopicoftheunitbyhavingafreetalkwithstudentsaboutsomefamousscientistsandwhattheyhavediscovered.ThenturntoWarmingUp.Itisintendedtohavestudentsthinkaboutandthendiscussthesetwogroupsofquestions:
1.Inoursolarsystemeightplanetscirclearoundthesun.Whatarethey?
Canyoumatchthenameswiththeplanets?
2.Whatinterestsyouinastronomy?
Doyouknowanyquestionsthatastronomersareinterestedin?
Pre-readingistoremindstudentsthattheoriginoflifeontheearthisaquestionthatinterestsastronomersandeachreligionandculturehasitsownideasabouthowlifebeganontheearth.TheteachershouldaskstudentswhattheyknowabouttheseandthenletthempredictwhatkindofinformationwillbeintroducedinthenextpartReading.
ThereadingpassagetitledHOWLIFEBEGANONTHEEARTHprovidesstudentsabriefintroductiononhowtheuniversedevelopedandhowlifebeganontheearth.Itprovidesascientificbackgroundtoanyinvestigationintospaceanditisfactual.Studentsareencouragedtopreviewthetextandfindouttheusefulnewwords,expressionsandstructuresthemselves.Theyshouldtrytoworkoutthemeaningsofthenewwordsthroughthecontext.Thenifnecessary,theycanlookthemupinthedictionaryorturntotheteacherforhelp.Alsoencouragethemtolookatthepicturesandreadthetitletoguesswhatthetextmight
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- 关 键 词:
- Astronomythe science of the stars 英语一轮人教版必修3教案Unit 4Astronomythe science of the stars
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