上课必修三Unit4Text教师.docx
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上课必修三Unit4Text教师
肥城一中
“四阶段六步导学”
课堂教学
导学案
年级:
高一
学科:
英语
序号:
3-4-2
编制人:
管芳
审核人:
李大刚
班级:
_______
姓名:
________
课题:
Unit4
Languagepoints
课时:
3rd
【学习目标】
1.Togetthemainideaofthetextbyskimmingandunderstandthewholepassagebyscanning
2.Tounderstandtheimportantphrasesandthesentences.
3.Toknowabouthowtheuniversedevelopedandhowlifebeganontheearth.
【重点难点】Tomastertheimportantsentencesinthetext.
【自主学习】
仔细阅读课文找出以下短语。
1.一种普遍为人们所接受的理论awidelyacceptedtheory2.以…开始beginwith
3.朝四面八方inalldirections/ineverydirection4.及时;迟早intime
5.是…的基础,对…很重要
befundamentalto
6.在水的表面
onthesurfaceofthewater
7.各种各样的allsortsof8.下蛋layeggs
9.仍是个迷remainamystery10.产奶producemilk
11.遍及全球
spreadallovertheworld12.生产givebirthto
13.阻止;以免prevent…from14.由于asaresultof
15.有机会干…
haveachancetodo/
ofdoingsth16.太空之旅
makeatripintospace
17.靠近getcloseto18.感到高兴;感到振奋
cheerup
19.加油;快点;得了吧
comeon20.掌握getthehangof
21.爆发;发生breakout22.当心;小心watchoutfor
【合作探究】
Warming-up
1.Canyoumatchthenameswiththeplanets?
match1)v.
a.使....对应;使…和…相配b.相等,比得上
2)n.火柴;对手;相配的人/物
match…with/to…使…和…相配
Matchsupplyto/withdemand.供求平衡。
1)Matchthephraseswiththecorrectmeanings.把词组和确切的意思对应起来。
2)Youcan’tmatchhiminknowledgeofwildplants.你在野生植物方面的知识无法和他相比。
2.1)theoriginoflifeon(the)earth地球上的生命起源
2)Whatonearthdoyoumean?
究竟;到底
Reading
1.However,accordingtoawidelyacceptedtheory,theuniversebeganwitha“BigBang’’thatthrewmatterinalldirections.
A.awidelyacceptedtheory一个普遍为人们所接受的理论
B.beginwith=startwith:
“以……开始”.(仅用主动)
1)Knowledgebeginswithpractice.知识来源于实践。
2)Thepartybegan/endedwithasong.
3)Tobegin/startwith,Icouldn’tlikehimatall.
4)Webegan/endedthepartywithasong.
5)Hebeganhisworkinglifeasadoctor.
6)Heendedinfailure/prison.
C.in/fromalldirections
=in/fromeverydirection
向/来自四面八方
inonedirection朝同一个方向
inthedirectionof朝某个方向
underthedirectionof在某人的指导下
accordingtothedirections按照说明书
D.1)Englishiswidely(wide)used.(adv抽象)
2)Heopenedhiseyeswide(wide).(adv具体)
2.Whatitwastobecomewasuncertainuntil…whenthedustsettledintoasolidglobe.
随后它会变成什么没人能知道,直到38~45亿年前,这团尘埃才慢慢地形成一个固体的球状物。
A.Whatitwastobecome...是what引导的主语从句,what在从句中作become的宾语。
1)Whatsurprisedeverybodywasthathedidn’tcometothemeeting.使大家惊奇的是他没有参加会议。
2)Whatisknowntousallisthatthe2008OlympicGamestookplaceinBeijing.
B.betodosth.
a)表示”应当/必须做某事”(命令;义务;职责)
1)Thebooksyouborrowedaretobereturned(你借的书应该还)beforeJuly5.
2)Wearetobehereby7:
00.
b)表示“按计划或安排将要做某事”(将来),其完成式则表示“本来打算做某事”。
3)Wearetomeet(计划碰面)attheschoolgate.
4)Themeetingistobeheld(hold)tomorrow.
c)表示“将来(注定)不可避免要发生的事”,
5)Wearetosucceed.
6)Theywerenevertomeetagain.
d)表示“可能性”。
7)Areyoutopay(将偿还)thedebtforyourwife?
8)Thelovelypuppyisnowheretobefound(可以找到).
3.Theearthbecamesoviolentthatitwasnotclearwhethertheshapewouldlastornot.
that引导状语从句whether引导状语从句中的主语从句.
4.What’sevenmoreimportantisthatastheearthcooleddown,waterbegantoappearonitssurface.
随着地球的冷却,地球的表面就开始出现了水。
A.cooldownvi./vt.变凉,冷却,平息,冷静
1)Afteradayinthesun,helikedtocooldowninthesea.
晒了一天的太阳之后,他喜欢在海水中凉快一下.
2)Hiswordscooleddownheranger.他的话平息了她的怒气.
3)astheearthcooleddown→withtheearthcoolingdown
withtheproductiondown/upby60%
withthedevelopmentofscienceandtechnology
B.what引导主语从句,that引导表语从句;that从句中as引导状语从句。
D.1)Childasheis,heknowsalot.
2)Tryasyoumay/might/will/would,youwon’tsucceed.
3)Youngasheis,heknowsalot.
4)Hardasheworked,hedidn’tpasstheexam.
5)MuchasIlikeyou,Iwon’tmarryyou.
5.Thisproducedachainreaction,whichmadeitpossibleforlifetodevelop.
A.achainreaction连锁反应
which引导定语从句,修饰achainreaction
B.makeitpossibleforlifetodevelop
使生命的发展成为可能
1)Hedidn’tmakeitclearwhenandwherethemeetingwouldbeheld.他没说清这次会议何时何地召开。
2)Weconsideritapitythatyoudidn’tcometotheparty.我认为你没来参加晚会是个遗憾。
6.Thustheyhave,intheirturn,becomethemostimportantanimalsontheplanet.
inone’sturn轮到某人;接着;
It’sone’sturntodosth.轮到谁干什么
inturn/byturns.(轮流)
1)ItoldFrankandhe,inhisturn,toldPeter.我告诉了弗兰克,弗兰克又告诉了彼得。
2)It’shisturntocleantheblackboard.
3)Wecleantheblackboardinturn/byturns.(轮流)
7.Whetherlifewillcontinueontheearthformillionsofyearstocomewilldependonwhetherthisproblemcanbesolved.在未来的数百万年后地球上是否会有生命存在取决于这个问题能否被解决。
第一个whether引导主语从句;第二个whether引导宾语从句;formillionsofyearstocome中不定式tocome作定语,与前面的名词之间有逻辑上的主谓关系。
Whetherweshouldcontinuethisworkisbeingdiscussed.我们是否应该继续进行这项工作正在被讨论。
Learningaboutlanguage
blockout挡住;忘掉;抹去
1)Blackcloudsblockedoutthesun.乌云遮住了太阳。
2)Overtheyearsshehadtriedtoblockoutthatpartofherlife.
多年来,她努力想把生命中那一段经历从记忆里抹去。
3)Thetreefelldownblocking(block)outthestreet.(表结果)
Usinglanguage
0.5.close/closelyadv.
1)becloseto(adj.)“靠近”
2)get/come/keepcloseto…(adv.)(场所接近)“靠近”
3)Theyarecloselyconnected.(adv.)(抽象接近)“密切”
4)Ilookedatitmoreclosely.(adv.)(=carefully)“仔细”(2008重庆高考)
1.Icheeredupimmediatelyandfloatedweightlesslyaroundinourspaceshipcabinwatchingtheearthbecomesmallerandthemoonlarger.
A.watching作伴随状语
1)WangPengsatinhisemptyrestaurantfeeling(feel)veryfrustrated.
2)Iwasalwayssolonelystanding(stand)therebymyself.
B.watch.....do/doing
1)Wewatchedthesunsetting(set)behindthetrees.Eveningfell.
2)Everydayastheywatchedtheplantgrow(grow),theirheartswerefilledwithhope.
2.amassof/massesof+[u]/pl.谓语与名词一致(与alotof/lotsof相同)
1)Thereare(be)massesofantsunderthetree.
2)Amassofmoneywas(be)spentontravels.
3)Amassofpeoplewere(be)wanderingalongthestreet.
3.ButwhenItriedtostepforward,IfoundIwascarriedtwiceasfarasontheearthandfellover.
而当我试着向前迈步时,我发觉我被送出去很远,步子的跨度竟是地球上的两倍,因而我摔倒了。
英语中的倍数表达法:
(twice/double/3/4…times/half/1/3/25%)
A.倍数+as+adj./adv.+as是……的几倍
B.倍数+adj./adv.的比较级+than是…的几倍;
C.倍数+the+表示长度/高度/宽度等的名词+of是……长度/高度/宽度的几倍,
此结构中常用的名词有:
size,height,weight,length,width,depth等。
D.倍数+what从句
1)Thisruleristhreetimesaslong(asthatone).这把尺子是那把的三倍长。
=Thisruleristhreetimeslonger(thanthatone).
=Thisruleristhreetimesthelength(ofthatone).
2)Theproductionnowisthreetimeswhatitwastenyearsago.现在的产量是十年前的三倍。
3)Ihavetwicethemoneythatyouhaveoffered.
4)SomepartsinChinahaveexperiencedtwiceasmuchrain(两倍雨水)thisyearastheydidlastyear.
5)Heisastallas6feethigh.他高达6英尺。
4.now(that)conj.既然,由于
1)Nowthateverybodyishere,wecanbeginthemeeting.既然每个人都到了,我们就可以开始会议。
2)Nowthatyouareabigboy,youmustbehavebetter.由于你是一个大男孩,你就必须行为表现得更好.
3)(高考)Nowthatyou’vegotachance,youmightaswellmakefulluseofit.
(may/mightaswelldo最好做…maywelldo可能做)
5.getthehangofsth掌握;熟悉;理解;查看某物运作,了解…..的意义
1)I’vebeentryingtogetthehangofthisnewtypewriter.我一直想知道这部新的打字机的用法.
2)Idon’tquitegetthehangofyourargument.我不十分了解你的论据的意义.
3)Youcangetthegangofdrivingifyoupracticemore.
6.Althoughitsoriginmaystillbeapuzzle,themooncanneverbeanythingmorethanasatelliteoftheearth.(P28)尽管月球的起源扑朔迷离,但它只不过就是地球的一颗卫星。
never…anythingmorethan=nomorethan=only只是,只不过
Thebuildingcanneverbeanythingmorethanabighouse.这个建筑物充其量就是一座大房子。
【当堂检测】
1.Itwasalmostmidnightthatafirebrokeoutintheneighborhood.(爆发)
2.Nowthatyouarehere,whynothaveadrink?
(既然)
3.—Didyoucatchyourplane?
—Yes,wegottherejustintime.(及时)
4.Thedishtastesgoodafteritcoolsdown.(冷却下来)
5.—Willyougofishingthisafternoon?
—Well,italldependson/upontheweather.(取决于)
6.AfterawhileIgotthehangofitandwebegantoenjoyourselves.(掌握)
7.Thefanscheeredupwhentheysawthefamousfilmstarsarrive.(感到高兴)
8.Countrylifeisquitedifferentfromcitylife.(不同于)
9.Weshouldfindsomewaystopreventtheharmfulgasfromspreading.(阻止)
10.Generallyspeakingwomencrymoreeasilythanmen.(一般而言)