Unit 3 Computers 导学案人教必修2精品.docx
《Unit 3 Computers 导学案人教必修2精品.docx》由会员分享,可在线阅读,更多相关《Unit 3 Computers 导学案人教必修2精品.docx(20页珍藏版)》请在冰豆网上搜索。
![Unit 3 Computers 导学案人教必修2精品.docx](https://file1.bdocx.com/fileroot1/2023-1/28/39e8b629-7b28-4829-b7c8-7f8356f949c1/39e8b629-7b28-4829-b7c8-7f8356f949c11.gif)
Unit3Computers导学案人教必修2精品
Unit3Computers导学案
课前预习导学
课标导航
功能
1.Makingdecisions
Ithink/don'tthinkthat...
Ibelievethat...
I'vedecidedthat...
Let'smakeadecision.
2.Reasoning
Theadvantage/disadvantageis...
Iagree/don'tagree...because...
Givemeyourreasons.
Whatmakesyouthinkso?
句型
before引导时间状语从句,表示“在……之前”
as...as...“像……一样”
as引导的从句
so...that...如此……以至于……
语法
现在完成时被动语态的结构和用法
OvertimeIhavebeenchangedquitealot.
FirstasaPC(personalcomputer)andthenasalaptop,Ihavebeenusedinofficesandhomessincethe1970s.
Sincethe1970smanynewapplicationshavebeenfoundforme.
写作
Argumentativewriting:
computer'seffectsonpeople
考点
intelligence(2011江苏高考,27) somehow(2011江西高考,27) before引导的状语从句(2011四川高考,6) as引导的状语从句(2012山东高考,27/2011全国高考Ⅰ,22) goahead(2011辽宁高考,35) dealwith(2011天津高考,8) 现在完成时的被动语态(2011天津高考,3/2011北京高考,21等)
主题导读
SteveJobs(February24,1955October5,2011)wasanAmericaninventorandentrepreneur(企业家).Hewascofounder,chairman,andCEOofAppleInc.
Inthelate1970s,Jobs—alongwithotherApplecofounders—designed,developed,andmarketedoneofthefirstcommerciallysuccessfullinesofpersonalcomputers,theAppleⅡseries.In1985,JobsresignedfromAppleandfoundedNeXT,acomputerplatformdevelopmentcompanyspecializinginthehighereducationandbusinessmarkets.Apple'ssubsequent(继任者)broughtJobsbacktothecompanyhecofounded,andheservedasitsinterim(临时的)CEOfrom1997,thenbecomingpermanent(永久的)CEOfrom2000onwards.AfterresigningasCEOinAugust2011,JobswaselectedchairmanofApple'sboardofdirectors.
OnOctober5,2011,JobsdiedinCaliforniaatage56,sevenyearsafterbeingdiagnosedwithpancreatic(胰腺的)cancer.Onhisdeathhewaswidelydescribedasavisionarypioneerandgenius—perhapsoneoftheforemost—inthefieldofbusinessandproductdesign,andamanwhohadgreatlychangedthefaceofthemodernworld.Hisdeathwaswidelymournedandconsideredalosstotheworldbypeopleacrosstheglobe.
诱思探究
1.WhatdoyouthinkofSteveJobsasaninventorandaCEO?
2.SomepeoplethinkthatSteveJobshasgreatlychangedthefaceofthemodernworld,doyouthinkso?
What'syouropinion?
答案:
Theanswersarevarious.
基础导练
Ⅰ.词汇拓展
1.______vt.计算→______n.计算器
2.______n.宇宙→______adj.宇宙的;普遍的;通用的
3.______adj.简单的→______vt.简化
4.______n.(电脑)操作员;接线员→______v.操作;动手术→operationn.操作;运转;手术
5.______adj.合逻辑的;合情理的→______adj.(反义词)→______adv.合逻辑地;有条理地;逻辑上
6.______n.工艺;科技;技术→______adj.科技的
7.______n.革命→______adj.革命的;n.革命者
8.______n.智力;聪明;智能→______adj.智能的;聪明的
9.______n.真实;事实;现实→______adj.现实的;真实的→______adv.确实;真正地
10.______adj.私人的;个人的;亲自的→______adv.就个人而言;亲自
11.______adj.总的;整个的→______adv.完全地;整个地
12.______n.应用;用途;申请→______v.申请;运用
13.______n.金融;财经→______adj.财政的;金融的
14.______vt.&vi.探索;探测;探究→______n.勘探者;探险家
15.______vi.出现;发生→______(过去式)→______(过去分词)
16.______vi.出现;显得;好像→______n.外观;外貌;出现
17.______n.性格;特点→______adj.特有的;典型的
Ⅱ.短语互译
1.____________从……时起
2.____________结果
3.____________在某种程度上
4.____________在……的帮助下
5.____________处理;安排;对付
6.watchover____________
7.so...that...____________
8.becrazyabout____________
9.makeup____________
10.afterall____________
Ⅲ.重点句型
1.Idevelopedveryslowlyand____________nearlytwohundredyears______IwasbuiltasananalyticalmachinebyCharlesBabbage.
我发育缓慢,差不多到了两百年之后,查尔斯·巴比奇才把我制成了一台分析机。
2.Bythe1940s,I______________________________aroom,andIwonderedifIwouldgrow____________.
到20世纪40年代时,我已变得像一个房间一样大,我不知道是否还会变得更大。
3.________________________,Iwasmadesmaller.
随着时间的流逝,我被做得更小了。
4.____________mymemoryhasdeveloped__________________,likeanelephant,IneverforgetanythingIhavebeentold!
随着时间的推移,我的记忆能力发展得如此之快,就像一头大象一样,我从来不会忘记告诉我的任何事情!
5.Andmymemorybecame______large______evenIcouldn'tbelieveit!
我的存储量变得如此之大,连我自己都不能相信!
答案:
Ⅰ.1.calculate;calculator 2.universe;universal 3.simple;simplify 4.operator;operate 5.logical;illogical;logically 6.technology;technological 7.revolution;revolutionary 8.intelligence;intelligent 9.reality;real;really 10.personal;personally 11.total;totally
12.application;apply 13.finance;financial 14.explore;explorer 15.arise;arose;arisen 16.appear;appearance 17.character;characteristic
Ⅱ.1.from...on 2.asaresult 3.inaway 4.withthehelpof 5.dealwith 6.看守;监视 7.如此……以至于…… 8.对……着迷(热衷) 9.编造;弥补;组成 10.毕竟;终究
Ⅲ.1.ittook;before
2.hadgrownaslargeas;anylarger
3.Astimewentby
4.Overtime;somuchthat
5.so;that
自我感悟
在预习中还有哪些问题需要你在听课时加以关注?
请在下列表格中做个备忘吧!
课堂合作探究
PartⅠ WarmingUp,Pre-reading,Reading&Comprehending
文本感知
阅读WHOAMI?
,完成下列小题
1.Whichofthefollowingstatementsisright?
A.ThefirstformofthecomputerappearedasacalculatingmachineinFrancein1642.
B.TheanalyticalmachinewasinventedbyTuringin1822.
C.Computershavebeenusedasameansofcommunicationaroundtheworldsincethe1960s.
D.Computershaven'tbeenputintospacerocketsandusedtoexploretheMoonandMars.
2.Accordingtothedescription(描述)inthetextcomputerswillbe______inthefuture.
A.biggerandbigger,fasterandfaster
B.smallerandsmallerbutfaster
C.moreandmoreadvanced
D.almostthesameasthosetoday
3.Whatisthecontentofthepassageof“WHOAMI?
”
A.Computershavealonghistory.
B.Computersarebecomingmoreandmoreadvancednow.
C.Computersaremeanttohelphumanbeings.
D.Alloftheabove.
答案:
1.A 2.C 3.D
导学互动
1.Inpairsdiscusswhattheyhaveincommon.(P17,WarmingUp)
两人一组讨论它们有什么共同之处。
have(sth.)incommon有……共同之处
Theyarebrothers,buttheyhavenothingincommon.
他们虽然是兄弟,但毫无共同之处。
Ingeneral,theirmethodshavealotincommon.
总的来说,他们的方法有很多共同之处。
联想拓展
(1)
(2)
Incommonwithmanyothergirls,shelikesnewdresses.
和许多其他女孩一样,她也喜欢新衣服。
Thetwoneighboursowntheparkinglotincommon.
这两个邻居共同拥有这个停车场。
即学即练
(1)完成句子
①这两幅画有什么共同之处?
Whatdothetwopaintings__________________?
②他和很多男孩一样喜欢足球。
__________________manyotherboys,helikesfootball.
(2)单项填空
①Rosesarequite______flowersinEnglandgardens.
A.ordinaryB.commonC.usualD.general
②Wehavealot______andhavealottotalkabout.
A.inbriefB.incommonC.indetailD.infact
2.calculatingmachine(P17,Pre-reading)
计算机
calculatevt.计算;预测
Theteachercalculatedtheaveragemarksoftheclass.
老师算出了全班的平均分。
Itiscalculatedthattheworkwillbefinishedintwodays.
预计两天后完成这项工作。
联想拓展
calculatorn.计算器
calculationn.计算;推测
词汇辨析
calculate
“计算,核算”,一般要有较复杂的过程,如加、减、乘、除等运算,或数学上精密的计算等
count
“计算,数”,指逐个数过而得出总数
即学即练
单项填空
Thelosshasnotyetbeen______accurately,butitisbelievedtobewellbeyondahundredmilliondollars.
A.calculatedB.consideredC.completedD.controlled
3.AlthoughIwasyoungIcouldsimplifydifficultsums.(P18,Reading,L23)
尽管我很年轻,但我能简化一些复杂的数额。
1)simplifyvt.简化;使简易
You'dbettersimplifytheprocessofthemathproblem.
你最好简化一下这道数学题的步骤。
Trytosimplifyyourexplanationforthechildren.
设法使你的解释简易一些,让孩子们能听懂。
词汇拓展
simpleadj.简单的;简易的;单纯的;朴素的
simplifiedadj.简化的
simplyadv.简单地;仅仅;完全;简直
simplificationn.简化
Richasheis,hestilllivesasimplelife.
尽管他很富有,但他仍然过着俭朴的生活。
Whattheyneedissimplymoney,moneyandmoney.
他们所需的仅仅是钱而已。
即学即练
(1)用simple的正确形式填空
①Pleaseintroduceittous______.
②ItissocomplicatedthatIcan'tunderstandit;please______it.
③Onlyafteritwas______,wefounditeasiertounderstand.
(2)同义句改写
Thearticleistoodifficult,soyou'dbettermakeiteasyforstudentstoread.
Thearticleistoodifficult,soyou'dbetter______itforstudentstoread.
(3)单项填空
①I'msurprisedthatyoushouldhavebeenfooledbysucha(n)______trick.
A.ordinaryB.difficultC.smartD.simple
②Runningacompanyisnot______amatterofhiringpeople;theyalsoneedtobetrained.
A.simplyB.partlyC.seriouslyD.equally
2)sumn.总数,总计(与of连用);金额;款项
Thesumofthreeandfiveiseight.
3与5的总和是8。
Hostingthe2010ShanghaiExpocostChinaalargesumofmoney.
中国斥巨资承办了2010年上海世博会。
短语链接
(1)insum总之;简而言之
Itwas,insum,acompletefailure.
总之,这是一次彻底的失败。
(2)sumup概括;概述
Thestorymaybesummedupinonesentence.
该故事可用一句话来概述。
(3)summaryn.摘要;概要 adj.概括的;总结的
insummary概括地说;总的说来
Canyougivemeaquicksummaryofyourresearch?
=Canyoutellmeaboutyourresearchinsummary?
你能简要概括一下你的研究工作吗?
即学即练
单项填空
①Shewasleft______ofmoneybyherparents.
A.alargesumB.alargenumberC.aplentyD.greatdeal
②Hisspeech______thepresentsituationofeconomy.
A.madeupB.summedupC.tookupD.setup
4.IdevelopedveryslowlyandittooknearlytwohundredyearsbeforeIwasbuiltasananalyticalmachinebyCharlesBabbage.(P18,Reading,L36)
我发育缓慢,差不多到了两百年之后,查尔斯·巴比奇才把我制成了一台分析机。
Itwillbe/is/was/takes+时间段+before...“要过多久/过了多久才……”。
Itwastwoyearsbeforehefinishedthetask.
他花了2年的时间才完成了这项任务。
Ittookhimhalfanhourbeforehecametolife.
半个小时后他才苏醒过来。
Itwillbeaweekbeforewemeetagain.
一周后我们还会再次见面的。
联想拓展
before的不同用法
(1)还没来得及……,就……
HeleftangrilybeforeIcouldexplaintohim.
我还没来得及向他解释,他就生气地走了。
(2)趁着……
You'dbetterwritethemdownbeforeyouforget.
趁着还没忘记,赶紧把它们写下来。
(3)一……就……;刚刚……就……
Hehadhardlygonetobedbeforethedoorbellrang.
他刚刚睡下,门铃就响了。
即学即练
单项填空
①—Whydidn'tyouasktheteacherthequestion?
—Shehadlefttheoffice______Ihadtimeto.
A.asB.tillC.afterD.before
②Johnthinksitwon'tbelong______heisreadyforhisnewjob.
A.whenB.afterC.beforeD.since
③I'msorryyou'vebeenwaitingsolong,butit'llstillbesometime______Tomgetsback.
A.beforeB.sinceC.tillD.after
5.In1936myrealfather,AlanTuring,wroteabookabouthowIcouldbemadetoworkasa“universalmachine”tosolveanydifficultmathematicalproblem.(P18,Reading,L1113)
在1936年,我真正的父亲,艾伦·图灵写了一本书,讲述了怎样能使我成为一台“通用机器”来解决任何数学难题。
solvevt.解答;解决;破解
Sofarnobodyinourclasscans