集体备课.docx
《集体备课.docx》由会员分享，可在线阅读，更多相关《集体备课.docx（23页珍藏版）》请在冰点文库上搜索。
集体备课
Unit4Astronomy:
thescienceofstars
Goals:
Talkaboutthescienceofthestars,thedevelopmentoflifeandspacetravelandgravity.
Practisegivinginstructions.
Practisetalkingaboutproblemsinstudyorlife.
LearntouseNounClausesasthesubject.
Learntowriteanessaytoshowyourproblemsandthewaytoovercomethem.
Teachingdesign:
Period1:
Warmingup&Pre-reading
Period2:
Reading&Comprehending
Period3:
Grammar
Period4:
Extensivereading
Period5:
Listening,SpeakingandWriting
Period1:
Warmingup&Pre-reading
Teachingaims:
1.Learnthenewwords.
2.Talkaboutthescienceofstars
3.Talkabouttheoriginoflifeontheearth
Teachingimportantpoint
Talkabouttheoriginoflifeontheearth.
Teachingdifficultpoint
Understandtheoriginoflifeontheearth.
Teachingmethods
Individual,pairorgroupworktofinisheachtask.
Discussion.
Teachingaids
acomputer
Teachingprocedures
Step1Words
Learnthenewwordsofthisunit.
Step2Warmingup&leadin
1.Talkaboutsciencesubjects
T:
Goodmorning/afternoon,everyone.Whatclassdoyouhavetoday?
S1:
Maths,English,Chinese,physics,history,andgeology.
T:
Whatothersciencesubjectsdoyouhaveinschool?
S2:
Computer,chemistry,biology,astronomy…
WhatisAstronomy?
Astronomyisthescientificstudyoftheuniverseandtheheavenbodies（suchasthesun,themoon,andstars）,gas,anddustwithinit.
2.Talkaboutuniverseandsolarsystem:
Howmuchdoyouknowabouttheuniverse?
----Theearth,Blackholes,solarsystem
Inoursolarsystemeightplanetscirclearoundthesun.Whatarethey?
Canyoumatchthenameswiththeplanets?
地球Earth木星Jupiter火星Mars水星Mercury海王星Neptune
土星Saturn天王星Uranus金星Venus
Doyouknowtheirorderfromthesun?
——MyVeryEarnestMotherJustServedUNaPizza
Appreciatesomebeautifulpicturesofthesolarsystem.
Totallunareclipse（月全食）Totalsolareclipse（日全食）Meteorrain（流星雨）
Comet（彗星）
Whatinterestsyouinastronomy?
Doyouknowanyquestionsthatastronomersareinterestedin?
------Howwastheuniverseformed?
HowdidlifebeginonEarth?
Step3:
Discussion&pre-reading
Doyouknoweachreligionorculturehasitsownideasabouttheoriginoftheuniverseorlife?
-------ChineseLegends（传说）;ReligiousBeliefs;ScientificTheories
Step4:
Studyofthegroupsoflife（种类/物种）
Lookatthepicturesandtellthegroups.
1.insects2.plants3.reptiles（爬行类）4.shellfish（贝类）
5.amphibians（两栖类）6.fish7.mammals（哺乳类）
Homework
1.Lookupthenewwordsandexpressionsofthereadinginthedictionary.
2.Previewthereading:
HowLifeBeganontheEarth
Period2:
ReadingandComprehending
TeachingAims:
1.EnabletheSstosaysomethingaboutastronomy
2.Helpthestudentstoformagoodhabitofreading
3.CultivatetheSs'awarenessofprotectingtheearth.
TeachingImportance:
HowtoimprovetheSs'abilitytounderstandhowlifebeganontheearth
Teachingdifficultpoints
1.Understandthebeginningoflifeontheearth.
2.Discussthequestions:
Whatwillourfuturebeiftheearthmaybecometoohotforthelivesonit?
Whyarehumansthecleverestanimalsontheearth?
TeachingMethods:
Task--basedmethod
TeachingProcedures:
Step1.Warmingup
1.Freetalk
2.ReviewthewordsofUnit4byplayingchessontheblackboard.
Step2Leading-in
1.Talkaboutsomepictures.
2.WatchavideoandthenasktheSstoputthepicturesonthescreenintoarightorder.
Step3Reading
Task1Skimming
Readthepassagequicklyandjointhemainideaforeachparagraph.
Para.1a）Thearrivalofhumansandtheirimpactontheearth
Para.2b）Thedevelopmentofplantsandanimalsontheearth
Para.3c）Awidelyacceptedtheoryabouttheformationoftheuniverse
Para.4d）Theimportanceofwaterforlife
Para.5e）Theformationoftheearth
Task2Scanning
Readthepassagecarefullyandthenfillintheblankswithdifferentkindsofliving
things
Task3CarefulReading:
Finishthesummaryaccordingtothetext:
Afterthe“bigbang”,theearthwasstilljustacloudof_______,it_______loudlywithfireandrock,whichwere_____toproducethe_________,carbondioxideandothergases.Then________grew.Theymultipliedandfilledtheoceansandseaswith_____.Manymillionsofyearslaterthefirst________begantoappearonland.Whentheplantsgrewtoforest,_____appearedforthefirsttime.Theyproducedyounggenerallyby__________.Whendinosaursdisappeared,________becamemoreimportant.
Task4PostReading
Discussingroups.
1.Whatproblemshavebeencausedbyhumanstotheearth?
2.Howtoprotecttheearthandmakeitabetterplacetoliveon?
Step4:
Languagepoints:
1.system:
n.系统,体系,制度,体制
WhatarethedifferencebetweentheAmericanandBritishsystemsofgovernment?
英美两国的政府体制有什么不同？
Doyouknowhowtologintothesystem?
你知道怎么登录进入这个系统吗？
2.theory:
c:
学说，论，说词形变化:
名词复数:
theories
u:
理论;原理，原则intheory理论上，从理论上来说
Doyouagreetothewavetheoryoflight?
你同意光的波动理论吗？
NoteveryonecanunderstandEinstein'sTheoryofRelativity.
不是每个人都能读懂爱因斯坦的相对论。
Intheory,thesemachinesshouldlastfortenyearsormore.
3.violent:
adj猛烈的，强烈的；强暴的，暴力的；鲜艳夺目的
Therewasaviolentreactionfromthepublic.
Childrenshouldnotbeallowedtowatchviolentmovies.
Herdresswasaviolentmovies.
派生词：
violently:
adv猛烈地，凶狠地
violence:
u暴力，暴行
4.explode：
v（使某物）炸开，爆炸;（指感情）迸发explodewith/in/into...
（指人口）突然或迅速增加
Thefireworkexplodedinhishandandhewashurtseriously.
Thechildrenexplodedintolaughter.
Theteacherexplodedwithanger.
Thepopulationexplodedintheearly1970s.
派生词：
explosiveadj.爆炸性的，易爆炸的
explosionn.爆炸（声）
*5.intime:
及时（+todo/forsth）及时做某事，来得及做某事
过一段时间，迟早，最后，终于
Theambulancegottherejustintime.
Brianusuallgetshomeintimetobaththechildren.
Don’tworry-----I’msurethingswillgetbetterintime.
相关短语：
aheadoftime提前atonetime曾经，一度forthefirsttime第一次
fromtimetotime偶尔，间或attimes有时，偶尔
*6.cool1）v.Pleaseopenthewindowtocooltheroom.
Don’tdrinktheteabeforeitcoolsalittle.
2）adj.凉爽的，冷静的，沉着的，冷漠的，冷淡的
be/get/seem/keepcool
Hissongsreceivedacoolresponsefromthepublic.
cooldown:
（使）冷却下来，（使）变凉；冷静下来
Lettheenginecooldown,andthentrystartingit.
Hisfathertookalongtimetocooldownaftertheirlastargument.
7.unlike：
1）.prep不像，与…不同
Heisunlikehisbrotherwhoisverylazy.
Musicisquiteunlikeotherartform.
2）.adj不同的，不像的，相异的
Theyaresounlikethatnobodybelievestheyaresisters.
Theyarebothteachers.Otherwisetheyarequiteunlike.
*8.harmful:
adj有害的常用搭配：
beharmfulto=bebadfor对…有害
Smokingisharmfultoourhealth.
派生词：
harmlessadj无害的
harm：
n&v伤害，损害
donoharm无害
meannoharm无意伤害别人;没有恶意
harmone’simage/reputation损害某人的形象/名声
domoreharmthangood弊大于利
doharmtosb.=dosb.harm伤害某人，对某人有害处
Smokingwilldoyoualotofharm.
Itdoesnoharm（forsb.）todo…（对某人来说）做某事是无害的
Thereisnoharmin（sb.’s）doingsth.做某事无害
9.multiply：
v乘，使相乘multiply（AbyB）/multiplyAandB（together）
成倍增加，迅速增加；（使）繁殖，增值
6multipliedby5is30.=Multiply6by5tomake30.
2and5multiplytomake10.
Ourproblemshavemultipliedsincelastyear.
Theplantsheremultiplyrapidly.
派生词：
multiplication：
n乘，增加
multiple：
adj多样的，数量多的
n倍数
multiplicity:
n多样（性）
*10.exist:
vi存在，实际上有；（尤指在困境或贫困中）生活，生存
常用搭配：
exist+prep存在于某地方
existonsth.靠某物生存
thereexists/existed…某地有…，存在…
Theearthexistsintheuniverse.
Doeslifeexistonotherplanets?
Itwasimpossibleforthemtoexistonsuchasmallincome
Thereexistsnowateronthemoon.
注：
exist是vi，不用于被动语态，也不用于进行时，作“生存”讲时，常与prepon连用
派生词：
existencen存在，生存
inexistence现存的
comeintoexistence产生，出现；开始存在
11.givebirthto:
生，分娩；生产，孕育
Marygivebirthtoahealthybabygirl.
Itwasthestudyofhistorythatgavebirthtothesocialsciences.
12.inone’sturn:
轮到某人
ItwillbeinTom’sturntobeondutytomorrow.
-----Itisinyourturntoanswerthequestion,David.
-----Sorry,MissGao,Idon’tknow.
相关短语：
byturns轮流，依次
inturn依次；转而，反过来
taketurnstodosth轮流做某事
itisone’sturntodosth轮到某人做某事
*13.prevent...from使...不做某事,阻止...做某事
Whatpreventedyoufromjoininguslastnight?
昨晚什么事使你不能参加我们的晚会?
Theheavyrainpreventedusfromgoingthere.这场大雨使我们没能到那里去。
prevent,stop,keep与protect四者的常见结构为：
prevent...（from）doingsth.；
stop...（from）doingsth.；
keep...fromdoingsth.;均表示“阻止……做某事”。
上述三个结构中，在主动语态中stop与prevent后可省去from，但在被动语态中不可省略;而keep...from...中的from在任何情况下都不能省略。
另外，
protect...from...表示“保护……不受……侵袭；阻挡；防御”。
from后接能带来伤害或损害的事物。
Thisplanwillbekeptfrombeingcarriedout.
这个计划将被阻止实施。
14.puzzle：
vt.&vi.（使）迷惑；（使）苦思
n.迷；难题
puzzledadj.无法了解的；困惑的
puzzlingadj.令人费解的
Herreplypuzzledme.
她的回答把我弄糊涂了。
Theirreasonfordoingitisstillapuzzletome.
他们为什么要那样做此事我仍感到莫名其妙。
常用结构：
sb.bepuzzledbysth.某人对……感到迷惑
puzzleabout/oversth.对某事感到迷惑
puzzleone’sbrain冥思苦想；绞尽脑汁
solveapuzzle解决一个难题
Step5Homework
1.SearchtheInternetfortheimformationofthedevelopmentoflife.
2.Readthepassagecarefullyandtrytofindoutkeypoints.
Period3:
Grammar
Teachingaims:
1.LearntouseNounClausesasthesubject.
2.LetSslearnhowtouseNounClausesasthesubject
Teachingimportantpoint
TheuseofNounClausesasthesubject
Teachingdifficultpoint
HowtoteachtheSstolearntouseNounClausesasthesubject
Teachingmethod
Learngrammarthroughpractice
Teachingaids
computer
Teachingprocedures
Step1Revision
Checkretellingofthepassage.
Step2Preparation
Showsomeexamplesentencesonthescreen.
1Atreehasfallenacrosstheroad.
2Youareastudent.
3Tofindyourwaycanbeaproblem.
4Smokingisbadforyou.
5“Howdoyoudo?
”isagreeting.
6Whatshesaidisnotyetknown.
7
升级会员 