九年级英语Unit 1 Life on Mars.docx

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九年级英语Unit 1 Life on Mars.docx

九年级英语Unit1LifeonMars

初中英语新课程标准教材

英语教案

(2019—2020学年度第二学期)

 

学校:

年级:

任课教师:

 

英语教案/初中英语/九年级英语教案

Unit1LifeonMars

教材简介:

本教材主要用途为通过学习英语的内容,提高学生的语言技能,增加一项语言能力,有利于国际化的日常交流、生活、工作等,本教学设计资料适用于初中九年级英语科目,学习后学生能得到全面的发展和提高。

本内容是按照教材的内容进行的编写,可以放心修改调整或直接进行教学使用。

  unit1lifeonmars

  第一部分简要提示

  一、年级:

九年级

  二、教学内容:

unit1lifeonmars

  三、课型:

reading

  四、教学目标

  1.知识目标

  掌握本课时的四会单词、主要词组和句型。

  2.能力目标

  1)学会运用本课所学的主要词汇和句型来简单描述未来生活。

  2)学会略读和寻读等阅读技巧。

  3.情感目标

  引导学生思考在另一个星球上生活的前景和可能性,比较不同环境的优点和缺点,激发学生探索未知世界的热情。

  五、教学重难点

  1.重点

  1)学习和运用四会单词、词组。

  2)掌握略读和寻读等阅读技巧。

  2.难点

  1)everystudentwillhaveacomputerathomeconnectedtoaninterplanetarynetwork.

  2)comparedwithlifeonearth,lifeonmarswillbebetterthanlifeonearthinmanyways.

  3)therewillbevariousdesignsforsettlerstochoosefrom.

  3.思考在另一个星球上

  第二部分教学流程

  用时:

25分钟

  step1pre-reading用时:

分钟

  (出境)

  t:

hi,everyone!

gladtomeetyou.welcometounit1reading.(同学们,你们好.今天我们来学习unit1阅读)

  t:

everyoneknowsthatchang’eⅰhasbeenlaunchedintospacelately.人人知道最近嫦娥一号被发射到太空.that’sreallyexciting.itcanhelpustoknowmoreaboutmoon.doyouwanttoliveonmoonorsomeotherplanets?

weareusedtolivingonearth,butsomepeoplearethinkingaboutmovingtootherplanets.why?

let’slookatsomepicturesfirst.(ppt)

  partonelead-in

  t:

whatcanyoufindfromthepictures?

  ----whatproblemsdoesearthhave?

  t:

thepicturesshowthatearthhastwoproblems:

oneisthelargepopulation(it’scrowded),theotheristheseriouspollution(it’spolluted).

  t:

nowearthiscrowedandpolluted.whatshallwedo?

somescientistssaythereisabetterworld—mars.doyouknowtheplanetmars?

andbeforewestarttoreadthearticlemars.let’shavealookatthesenewwordsfirst.

  parttwopre-reading

  t:

pleasefillintheblankswiththecorrectwordsaccordingtothewholesentenceandtheenglishexplanationinthebrackets.(请根据句子含义及括号内的英语解释填入所缺单词)(ppt)

  t:

ok.let’schecktheanswerstogether.

  1.alargebodyinspacethatmovesaroundthestar,e.g.,thesunmeansplanet.

  2.apowerthatkeepsusfromfloatingintheairmeansgravity.

  3.avehicledesignedfortravelinspacemeansspacecraft.

  4.peoplewhogotoliveinanewplacemeansettlers.

  growandimprovemeansdevelop.

  5.machinesthatcandotasksunderthecontrolofcomputermeanrobots.

  smallroundpiecesofmedicinemeanpills.

  t:

nowreadthenewwordsafterme.(2遍)

  newwords:

planetgravityspacecraft

  settlersdeveloprobotspills

  t:

boysandgirls,howmuchdoyouknowaboutmars?

doyouitscolor,itssizeandsomeotherinformation?

nowletmeshowyoumyresearchonmars.(ppt)

  1.thecolorofmars:

red;

  2.thesize:

aboutone-halfthediameterofearth;

  3.location:

bit’sbetweenearthandjupiterinoursolarsystem.

  4.itsmoons:

phobosanddeimos

  5.surface:

thesurfaceofmarsisalittlelikethesurfaceofearth.

  6.temperature:

thelowesttemperaturewillbe-133℃(degreescentigrade)andthehighestwillbe27℃

  (整屏显示6点知识)(ppt)

  t:

nowyouhavelearnedsomethingaboutmarsfrommyresearch.butisthereanythingelseyouwanttoknowaboutmars?

whatisthefastestwaytolearnmoreaboutmars?

  t:

that’ssearchingtheinternet.nowlookatthekeywords.guesstheirmeaningsfirstandthenusethesearchenginestohelpyou.trytofindtheinformationaboutthemontheinternet.(下面我们来看这些关键词,先猜测它们的含义,然后用搜索引擎来验证你的猜测是否正确.,再在网上找到有关他们的信息.)

  超链接)(ppt)

  1.crowdedplanet:

thepopulationonearthisabout6.4billioninXX.it’sstillincreasingquickly…populationheremeansthenumberofpeople.(ppt)(XX年地球人口为64亿,现在这个数字还在快速增长。

  2.spaceshuttles:

theyarenewkindsofspacecraftwhichcantravelfasterinspace.(ppt)(他们是新型的可以在太空里飞行更快的航天飞机。

  3.speedboots:

theyarespecialshoesthatcanmakeyouwalkfasterinspace.(他们是可以使你在太空行走更快的特殊鞋子。

  4.spacehome:

it’saspecialroundhouseinspace.(这是在太空里的特殊的圆形房子。

)(ppt)

  5.robotsettlers:

settlersarethepersonswhomovetoanewplace.(拓荒者是第一批搬到一个新地方的人。

)/mayberobotswillmovetomarsandliveonitfirst.(ppt)

  6.onlineteacher:

theteacherwhocanhelpyouatanytimeandanyplaceinanon-lineschoolsiscalled‘e-teacher’.(在线老师可以在任何时候、任何地方帮助你。

)(ppt)

  steptwowhile-reading用时:

分钟

  taskoneskimming

  t:

nowwouldyoupleaseopenyourbooksatpage8?

readthearticlequicklyandfindoutthekeywordofeachparagraph.itcanbeawordorsomewords.youdon’thavetoreaditwordbyword.justskimit.thiskindofreadingskilliscalledskimming.(同学们,请快速地阅读文章的第一段,帮我找到其中的关键词。

它可能是一个单词或几个单词,阅读时你没有必要逐字逐句地读,要跳读,这种阅读技能叫做略读)。

  t:

ok,boysandgirls.let’schecktheanswersnow:

(ppt)

  para1crowded,polluted(population,pollution)

  para2transport

  para3food,waterandair

  para4gravity

  para5home

  para6school

  para7food

  tasktwoscanning

  t:

that’sveryeasyforyou,right.readeachparagraphagain,thistimeyoushouldbemorecarefulandpaymoreattentiontothedetails.whilereadingthearticle,pleasefindouttheanswerstothequestions.it’sanotherkindofreadingskillcalledscanning(请同学们再仔细阅读文章每一段内容,这次希望同学们读得更加仔细。

在阅读的的同时,请大家思考这些问题的答案。

在阅读的同时找出文章中细节性的内容,这种阅读技能叫做寻读。

(2-

  t:

now,boysandgirls,pleaselookatthescreenhere,let’schecktheanswers.(ppt)

  ※transport(ppt)

  1whatvehicledopeopleusetomarsatpresent?

andhowlongdoesittake?

(spacecraft.months.)

  2whatvehiclemaypeopleusetogotomarsinthefuture?

  andhowlongwillittake?

  (spaceshuttles.onlyaveryshorttime.)

  ※air,water,food(ppt)

  3whatwillscientistsdotosolvetheproblemsoffood,waterandair?

  (scientistswilldevelopplantsthatcangrowonmarsandproducethefood,waterandoxygen.)

  4whatwillfoodonmarsbelike?

  (maybethefoodwillbeintheformofpillsandwillnotbeastastyastheyaretoday.)

  ※gravity(ppt)

  5isgravityonmarsabigproblem?

why?

  (yes,itis.becausethegravityonmarsisthree-eighthsofthegravityonearth.)

  6whatmayhappenthen?

  (peoplemayjumphigheasilyandfloatawayintospace.)

  7whatkindofshoesshouldpeoplewear?

  (peopleshouldwearspecialbootstomakethemselvesheavier.)

  ※home(ppt)

  8whatkindofhousemaypeoplelivein?

  (aspecialdomewith10bedroomsishighlypossible.)

  9whowilldomostofourwork?

  (robotswilldomostofourwork.)

  ※school(ppt)

  10whatkindofschoolwillstudentsstudyin?

andwhatdotheycalltheirteacher?

  (studentscanstudyinonlineschoolsandtheycalltheirteacher‘e-teacher’.)(连接星际电脑网络)

  t:

well,youreallydidagoodjobtoday..fromthereadingweknowthatlifeonmarsisverydifferentfromthatonearth.pleasecomparethesesdifferencesandfillintheformbelow(ppt)

  .t:

haveyoufinishednow?

let’schecktheanswerstogether.

  step3post-reading用时:

分钟

  taskonefillintheblanks(ppt)

  earthtodaymarsin2100

  pollutedandcrowded1

  spacecraftareslow.2

  gravityisnotaproblemforus.3

  peoplecanwearmanytypesofshoes.4

  peopledonothavemuchspace.5

  wetakeexamsatschool.6

  wehavemanykindsoffoodwithdifferenttastes.7

  keys:

  1cleanandhaslotsofspace

  2spaceshuttlestravelathalfthespeedoflight.

  3onlyaboutthree-eighthsofthegravitythatwehaveonearth

  4peoplewearspecialboots.

  5peopleliveinadomewith10bedrooms.

  6wetakeexamsinonlineschools.

  7mealsarejustpills.

  t:

congratulations!

you’vegotalltherightanswers.youknowevery‘coinhastwosides’.herearesomegoodpointsandbadpointsoflivingonmars.wecallthe‘goodpoints’“advantages”and‘badpoints’“disadvantages”.(我们知道:

事物都有正反两方面,下面我们来看一下在火星上生活的利弊。

我们把好的方面叫做“advantages”,把不好的方面叫做“disadvantages”。

)pleaselookatthescreenandfillintherightwords.(ppt)

  t:

ok?

let’schecktheanswersnow.

  advantages

  ※it’snot_____or____.

  ※the____ismoreconvenient.

  ※peoplewillwearspecial_____

  ※peoplewillhave____space.

  ※____willdomostofourwork.

  ※we’llhavemoretimefor_____.

  ※studentswillstudyin____schools.

  keys:

  1crowdedpolluted2transport3boots4more

  5robots6hobbies7online

  disadvantages

  ※low_____willbedangerous.

  ※fooddoesnottaste_____.

  ※spacetravelmakepeoplefeel____.

  ※it’stoo___tostayoutside.

  ※it’stoo____awayfromfriendsonearth.

  keys:

  1gravity2good3ill/sick4cold5far

  t:

nowwouldyoupleaseopenyourbooksatpage11ofthestudents’book.pleasecompleteexercisec1onpage11

  t:

.haveyoufinishedthem?

let’schecktheanswers.(ppt)

  keys:

  1a2b3c4c

  5b6b7a8b

  t:

welldone,you’verememberedsomuchaboutmars.doyouhaveanydifficultieswhilereading?

let’slookatsomesentencestogether.

  t:

importantsentences(ppt)

  1therewillbevariousdesignsforsettlerstochoosefrom.将有许多种设计可供移居者选择。

  tochoosefrom…意思是“从……中挑选”。

  eg我有很多双鞋子可以选择,但我决定不了选哪双。

  ihavemanypairsofshoes_____(tochoosefrom),

  butidon’tknowwhichpair____.(tochoose)

  2thejourneymighttakeonlyaveryshorttimeinspaceshuttlesthattravelathalfthespeedoflight.用以光速一半速度飞行的太空穿梭机进行的旅程可能只要花很短的时间。

  分析:

此句是that连接的定语从句。

that引导的定语从句修饰先行词spaceshuttles,从句中的动词的人称和数由先行词spaceshuttles决定。

  3comparedwithlifeonearth,lifeonmarswillbebetterinmanyways.

  与在地球上的生活相比,火星上的生活在很多方面将会更好.

  comparewith…意思是“与……做比较”。

在句中是过去分词短语作状语,此时with和to可通用。

  eg与我们的那条路相比,这条路繁忙得多。

  thisroadisquitebusy________ours.(compared…with/to)

  4everystudentwillhaveacomputerathomeconnectedtointer-planetarynetwork.每个学生在家里有一台连接星际

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