Unit 3 Computers 秋学期高中英语必修2人教版学案.docx
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Unit 3 Computers 秋学期高中英语必修2人教版学案.docx
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Unit3Computers秋学期高中英语必修2人教版学案
Unit3 Computers
【导语】 如果你对编程感兴趣,MokshJawa定会对你有所帮助。
16yearoldIsTeachingtheWorldtoCode
HighschooljuniorMokshJawaisonly16yearsold,butthousandsofpeoplearoundtheworldareturningtohimtolearnavaluableskill:
coding.
Jawa,theauthorof“DecodingAPComputerScienceA:
ForaHighSchooler,ByaHighSchooler”,isalsotheselftaughtbrainsbehindafreeonlinecomputer“coursethathas4,000studentsenrolled”.
“Goingthroughtheentireexperience,IknowthatiftheresourcesIhadusedhadbeenpaid,Iwouldn'thavelearnedcomputerscience,”Jawasaid.“It'smywayofgivingback.I'velearnedsomuchfromtheonlinecommunity.Computerscienceissuchanimportantskillthatitshouldbeofferedforfree.”
Thoughhisparentsaren'tcoders,JawadevelopedhisinterestincomputersgrowingupnearSiliconValley,pickingupskillsfromawebsitecalledCodecademyinseventhgrade.ByeighthgradehewasdevelopinghisfirstAPPtohelpyoungchildrenlearngrammar.
Asafreshman,Jawawaseager(渴望)toenrollinhishighschool'scomputerscienceclasses—exceptthereweren'tany.Sohegotsomebooksandtaughthimself.Thenextyear,hestartedacodingclubathishighschool,andfoundthatmorethan30studentswereinterested.AteacherencouragedJawatositdownandwritehisfirstbook.Thefinishedproducthasnowsoldmorethan350copies,andJawa'snextgoalistogetitinmoreclassrooms.
Ontopofthat,he'llbeateachingassistantinanewadditiontohisschool'scurriculum:
acomputerscienceclass.“Ithinkmymainpieceofadviceiswhenyouhaveanideaoryouthinkthereissomethinginsocietyyoucansolve,justgoaheadanddoit,”saidJawa.“Don'tworryaboutyourskillset.Younever‘learn’computerscience;youbuilditasyougoalong.”
【词海拾贝】
1.code n.编码
2.enrollv.注册
3.resourcen.资源
4.communityn.社区
5.curriculumn.课程
【问题思考】
True(T)orFalse(F):
1.AccordingtoJawa,computerscienceshouldbeofferedforfree.(T)
2.Inseventhgrade,JawadevelopedhisfirstAPP.(F)
Ⅰ.重点单词分类记
拼写高频单词
1.________ vt.计算
2.________vt.解决;解答
3.________n.性格;特点
4.________n.类型
vt.&vi.打字
5.________vi.&vt.发信号
n.信号
6.________n.目标;目的;球门;(进球)得分
答案:
1.calculate 2.solve 3.character 4.type 5.signal
6.goal
联想拓展单词
1.________n.真实;事实;现实→________adj.真实的
2.________n.外观;外貌;出现→________v.出现
3.________n.(电脑)操作员;接线员→________v.操作;手术
4.________n.智力;聪明;智能→________adj.智能的;聪明的
5.________vt.简化→________adj.简单的→________adv.简单;只;不过
6.________adj.总的;整个的n.总数;合计→________adv.完全地;整个地
7.________vt.&vi.探索;探测;探究→________n.探险家;勘探者→________n.探索
8.________vi.出现;发生→________vi.上升;升起→________vt.升起;提高;种植;饲养
9.________adj.私人的;个人的;亲自的→________adv.就个人而言;亲自→________n.个性;人格
10.________n.应用;用途;申请→________vi.&vt.运用;涉及;申请→________n.申请人;求职人
答案:
1.reality real 2.appearance appear 3.operator operate 4.intelligence intelligent 5.simplify simple simply 6.total totally 7.explore explorer exploration 8.arise rise raise 9.personal personally personality 10.application apply applicant
识记阅读单词
1.revolutionn.________________
2.downloadvt.________________
3.artificialadj.________________
4.mopn.________________
vt.________________
5.universaladj.________________
6.anyhowadv.________________
7.electronicadj.________________
答案:
1.革命 2.下载 3.人造的;假的 4.拖把 用拖把拖;擦 5.普遍的;通用的;宇宙的 6.(也作anyway)无论如何;即使如此 7.电子的
Ⅱ.重点短语快速记
1.________________ 从……时起
2.________________在某种程度上
3.________________在……的帮助下
4.________________处理;安排;对付
5.________________看守;监视
6.________________毕竟;终究
7.________________有共同之处
8.________________与……分享……
9.________________结果
10.________________编造;打扮;构成
11.________________如此……以至于……
答案:
1.from...on 2.inaway 3.withthehelpof 4.dealwith 5.watchover 6.afterall 7.havesthincommon 8.share...with... 9.asaresult 10.makeup11.so...that...
Ⅲ.经典句式应用记
1.Idevelopedveryslowlyand____________________________
(差不多用了两百年我才被制成)asananalyticalmachinebyCharlesBabbage.(before引导时间状语从句)
2.Bythe1940sIhadgrownaslargeasaroom,and________________(我想知道是否)Iwouldgrowanylarger.(Iwonderif...我想知道是否……)
3.____________________________________(随着时间的流逝),
Iwasmadesmaller.(as引导时间状语从句)
4.Overtimemymemoryhasdeveloped____________________
(如此之快以至于),likeanelephant,IneverforgetanythingIhavebeentold!
(so...that...引导结果状语从句)
5.Anyhow,mygoal_______________________(是向人类提供)
withalifeofhighquality.(betodo表将来)
答案:
1.ittooknearlytwohundredyearsbeforeIwasbuilt
2.Iwonderedif 3.Astimewentby 4.somuchthat
5.istoprovidehumans
Ⅰ.Skimmingforthemaininformation
1.Whatisthemainideaofthetext?
A.Theadvantagesofthecomputer.
B.Thelatestdevelopmentofthecomputer.
C.Theimportanceofthecomputer.
D.Thehistoryofthecomputer.
2.Findoutthetopicsentencesofeachparagraph.
Para.1______________________________________________
Para.2______________________________________________
Para.3______________________________________________
答案:
1.D
2.Para.1:
OvertimeIhavebeenchangedquitealot.
Para.2:
Thesechangesonlybecamepossibleasmymemoryimproved.
Para.3:
Sincethe1970smanynewapplicationshavebeenfoundforme.
Ⅱ.Scanningfordetailedinformation
1.In1936,AlanTuringwroteabookabout________.
A.howtosimplifydifficultsums
B.howthecomputercouldbemadetoworkasa“universalmachine”
C.howtobuildananalyticalmachine
D.howtouseacomputer
2.Whydidthecomputertotallychangeitsshape?
A.Becausethecomputercoulddomanythings.
B.Becausethecomputercouldsimplifysums.
C.Becauseitsmemoryimproved.
D.Becausethere'snomoreroomforit.
3.Howcanyouunderstandtheunderlinedword?
Sincethe1970smanynewapplicationshavebeenfoundforme.
A.Aformalrequestforsth.
B.Thepracticaluseofsth.
C.Anactofspreadingsth.
D.Someusefultools.
4.Fromthepassage,“I”refersto________.
A.amachinewhichissimpleminded
B.a“universalmachine”whichcansolveanymathematical
problems
C.apersonwhobuiltananalyticalmachine
D.afamouswriter
5.Whatcanyouinferfromthetext?
A.Thecomputerhasartificialintelligence.
B.Thecomputerchangesalotovertheyears.
C.Thecomputerwasnotconnectedbyanetwork.
D.Nowthecomputercanonlybeusedtodealwithinformation.
答案:
1.B 2.C 3.B 4.A 5.B
Ⅲ.Intensivereadingtofinishthepassage
It'sknowntousallthatcomputerisoneofthemostimportantinventionsinthe20thcentury.
Thoughit'swidelyusedinourdailylife,thecomputerdidn'thaveartificial1.________.Itbeganonlyasa2.________machinein1642.In1822the3.________machinewasmadebyCharlesBabbage.Itwas4.________byanoperatorwhousedcardswithholes.
Inthe1960scomputershadnewtransistors.5.______thetimegoingbythecomputerhasbeenmadesmallerandsmaller,quickerandquicker.Later,intheearly1960s,thesinglecomputerwas6.________witheachotherbyanetwork.Theinformationcouldbe7.________withothersthroughtheWorldWideWeb.Sincethe1970smanynew8.________havebeenfoundandthegoalisto9.________humanswithalifeofhighquality.Itisa10.________friendandhelperofthehumanrace.
答案:
1.intelligence 2.calculating 3.analytical
4.programmed 5.With 6.connected 7.shared
8.applications 9.provide 10.devoted
[精读难句透析]
1.IdevelopedveryslowlyandittooknearlytwohundredyearsbeforeIwasbuiltasananalyticalmachinebyCharlesBabbage.
[句式分析] 此句为并列句,由________连接两个并列分句。
第二个分句为主从复合句,________引导时间状语从句。
[尝试翻译] _________________________________________
_____________________________________________________
2.In1936myrealfather,AlanTuring,wroteabookabouthowIcouldbemadetoworkasa“universalmachine”tosolveanydifficultmathematicalproblem.
[句式分析] 此句为主从复合句。
句中how引导宾语从句,作介词________的宾语,how在从句中充当方式状语。
句中“________”为不定式作目的状语。
[尝试翻译] _________________________________________
_____________________________________________________
3.Overtimemymemoryhasdevelopedsomuchthat,likeanelephant,IneverforgetanythingIhavebeentold!
[句式分析] 此句为主从复合句。
that引导结果状语从句,而“______________”为省略关系代词that的定语从句,修饰先行词anything。
句中“____________”为插入结构。
________意为:
如此……以至于……。
[尝试翻译] _________________________________________
_____________________________________________________
答案:
1.and before 我发育缓慢,差不多到了两百年之后,查尔斯·巴贝奇才把我制成一台分析机。
2.about tosolve... 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。
3.Ihavebeentold likeanelephant so...that... 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!
写一篇想象作文
一、文体特点
“想象类作文”多是说明文,也可以是记叙文。
写作内容不受限制,是作者写作时根据自己已有的生活经验和知识,对未来事物的形态、构造、性质、功能等大胆地进行想象并进行说明或描述的一种写作。
二、亮点句式
1.Itcanhelpusinmanyways.
它在许多方面都可以帮助我们。
2.Itwouldbeofgreathelpforyou.
它会对你有很大帮助。
3.SometimesIdreamaboutlifeinthefuture.
有时我梦想未来的生活。
4.Ibelievemydreamwillcometruesomeday.
我相信我的梦想总有一天会变成现实。
5.Shecanremindmeofanythingimportant.
她能提醒我重要的事情。
6.Itwillbeverycomfortabletoliveinthefuture.
在未来生活将会非常舒适。
7.Inmyopinion,thedreamwillbecomearealityoneday.
我认为,这个梦想有一天将会变成现实。
你校举行科技节,有一项发明很吸引外来参观者的眼球,你作为发明者向参观者介绍你的发明(护理机器人),请按以下表格内容介绍。
名字
RIBA
机器人形状及原因
一只友好的熊(人形机器人会吓坏病人)
设计背景
由于社会老龄化,很难找护士,希望机器人能帮助解决此问题
功能
(1)帮助把病人从椅子上抬到床上;
(2)能回应简单的口头指令;
(3)能认出同事
你的希望
此发明能很快被引进医院
写作要求
1.文中不能出现真实姓名和学校名称。
2.词数100左右。
3.注意:
开头和结尾已给出(不计入总词数)。
【写作要点】
本文为一篇介绍机器人的想象性作文,属于说明文,介绍机器人的功能时应该条理清楚、用词准确。
可能用到的表达方式:
helpdosth帮助做某事;respondtosimplespokencommands回应简单的口头指令;assoonaspossible/assoonassbcan尽可能快地
【范文点评】
范文
点评
Ladiesandgentlemen,
I'dliketointroduceyousomethingaboutmyrecentinvention—arobot,
①whosenameisRIBA.
I②designedtherobottolooklikeafriendlybear,③sinceanandroidwouldscarethepatients.Nowadays,manyhospitalshavebeen④havingtroublefindingnursesandthepopulationgrowsold,soIhoperobotswill⑤help(to)solvetheproblem.RIBAcannotonlyhelpcarrythepati
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