届一轮复习人教版必修二Unit3Computers单元学案21页word版.docx
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届一轮复习人教版必修二Unit3Computers单元学案21页word版
2019届一轮复习人教版必修二Unit3 Computers单元学案
一单元基础词汇搜索
一、写其形
1.universaladj. 普遍的；通用的；宇宙的
2.simplifyvt.简化
3.sumn.总数；算术题；金额
4.technologyn.工艺；科技；技术
5.technologicaladj.科技的
6.revolutionn.革命
7.artificialadj.人造的；假的
8.intelligencen.智力；聪明；智能
9.intelligentadj.智能的；聪明的
10.solvevt.解决；解答
11.realityn.真实；事实；现实
12.personaladj.私人的；个人的；亲自的
13.personallyadv.就个人而言；亲自
14.totaladj.总的；整个的
n.总数；合计
15.totallyadv.完全地；整个地
16.applicationn.应用；用途；申请
17.financen.金融；财经
18.mobileadj.可移动的；机动的
19.rocketn.火箭
20.explorevt.&vi.探索；探测；探究
21.anyhowadv.（也作anyway）无论如何；即使
如此
22.goaln.目标；目的；球门；（进球）得分
23.happinessn.幸福；快乐
24.downloadvt.下载
25.signalvi.&vt.发信号
n.信号
26.teammaten.同伴；伙伴
27.typen.类型
vt.&vi.打字
28.coachn.教练
29.arisevi.（arose，arisen）出现；发生
30.electronicadj.电子的
31.appearancen.外观；外貌；出现
32.charactern.性格；特点
二、知其意
1.laptopn.手提电脑
2.calculatevt.计算
3.operatorn.（电脑）操作员；接线员
4.logicaladj.合逻辑的；合情理的
5.logicallyadv.逻辑上；合逻辑地；有条理地
6.designern.设计师
7.tuben.管；管子；电子管
8.chipn.碎片；芯片
workn.网络；网状物
10.webn.网
11.programmern.程序员；程序师
12.virusn.病毒
13.mopn.拖把
vt.用拖把拖；擦
14.naughtyadj.顽皮的；淘气的
15.spoilvt.损坏；宠坏
1.from...on从……时起
2.as__a__result结果
3.so...that...如此……以至于……
4.human__race人类
5.in__a__way在某种程度上
6.with__the__help__of在……的帮助下
7.deal__with处理；安排；对付
8.watch__over看守；监视
1.As__time__went__by，Iwasmadesmaller.
随着时间的推移，我被做得更小了。
2.Andmymemorybecameso__large__thatevenIcouldn’tbelieveit!
我的存储量变得如此之大，连我自己都不能相信！
3.BythetimeIwassixteen，my__dream__had__come__true.
在我满十六岁时，我的梦想实现了。
4.Sheprogramsuswithallthepossiblemovesshehasseenwhile__watching__human__games.
她把观看人类比赛时所看到的一切可能动作编入我们的程序。
5.Anyhow，mygoalis__to__provide__humans__withalifeofhighquality.
不管怎样，我的目标是为人类提供高质量的生活。
二单元语言综合运用
Ⅰ.阅读理解
A
Whatwillmanbelikeinthefuture—in5,000oreven50,000yearsfromnow?
Wecanonlymakeguesses,ofcourse,butwecanbesurethathewillbedifferentfromwhatheistoday,formanisslowlychangingallthetime.
Letustakeanobviousexample.Man,evenfivehundredyearsago,wasshorterthanheistoday.Now,onaverage,men
areaboutthreeinchestaller.Fivehundredyearsisrelativelyashortperiodoftime,sowemayassumethatmanwillcontinuetogrowtaller.Again,inthemodernworldweuseourbrainsagreatdeal.Evenso,westillmakeuseofonlyabout20%ofthebrain'scapacity.Astimegoeson,however,weshallhavetouseourbrainsmoreandmore,andeventuallyweshallneedlargerones!
Thisislikelytobringaboutaphysicalchangetothehead,inparticular,theforeheadwillgrowlarger.
Nowadaysoureyesareinconstantuse.Infact,weusethemsomuchthatveryoftentheybecomeweakerandwehavetowearglasses.Butoveraverylongperiodoftimeitislikelythatman'seyeswillgrowstronger.
Ontheotherhand,wetendtomakelessuseofourarmsandlegs.These,asaresult,arelikelytogrowweaker.Atthesametime,however,ourfingerswillgrowmoresensitivebecausetheyareusedagreatdealinmodernlife.
Butwhatabouthair?
Thiswillprobablydisappearfromthebodyaltogetherincourseoftimebecauseitdoesnotserveausefulpurposeanylonger.Inthefuture,then,bothsexesarelikelytobebald（光秃的）．
Perhapsallthesegivetheimpressionthatinthefuturemanwillnotbeaveryattractivecreaturetolookat!
Thismaywellbetrue.Allthesame,inspiteofallthesechanges,futuremanwillstillhavealotincommonwithus.Hewillstillbeahumanbeing，withthoughtsandemotionssimilartoourown.
语篇解读：
本文对未来人会变成什么样子进行了分析和想象。
1．Thepassagemainlytellsusthat________.
A．man'slifewillbedifferentinthefuture
B．futuremanwilllookquitedifferentfromus
C．manisgrowingtalleranduglierastimepasses
D．man'sorgans'functionswillbeonthewane（衰退）
解析：
选B 主旨大意题。
由第一段可知本文主要介绍未来人类的外貌可能会出现的变化。
C项只是其中的一个方面。
2．Thechangeinman'ssizeofforeheadisprobablybecause________.
A．he/shemakesuseonly20%ofthebrain'scapacity
B．his/herbrainhasgrownlargeroverthepastcenturies
C．theother80%ofhis/herbrainwillgrowinduetime
D．he/shewillusehisbrainmoreandmoreastimegoeson
解析：
选D 细节理解题。
由第二段最后两句说人类将更多地使用大脑，最终大脑变大，前额变大可知答案。
3．Itisimpliedthat________.
A．humanbeingswillbecomelessattractiveinthefuture
B．lessuseofabodilyorganmayleadtoitsdegeneration
C．humanbeingshopeforachangeinthefuturelife
D．futurelifeisalwayspredictable
解析：
选B 推理判断题。
从人类身体变化可以看出，经常使用的，如大脑、手指将变得发达，而不常用的如头发、四肢会退化。
B
TheInternetofThings（IoT）aimstogeteverythingandeveryonetalking.Attachingsensors（传感器）to“things”，suchascows,carsandrefrigerators,andthengivingthemuniqueIPaddressesallowthemto“talk”totheInternet.NetworkingcompanyCiscosaysthat50billionInternet connecteddevicesandobjectswillbesendingdataby2020.
Butgettingbacktothosecows,carsandrefrigerators,whattypesofdatamighttheyactuallysend?
Cowsmightsendtheirlocationsorphysicalconditions.Carsmightcommunicatelowoillevelsandautomaticallyscheduletheirownmaintenance（维修）.Andrefrigeratorsmightsendownerstextmessagesremindingthemit'stimetobuymilkandeggs.
TheIoTwillallowpeopletotrackthingsandprocesseslikeneverbefore.Airplanemanufacturerswillbeabletocontinuouslytracktheconditionofairplaneparts,allowingthemtodopreventive（预防性的）maintenanceandavoidcostlydowntime.Consumerscouldplacesmartdevicesintheirhomestomonitorenergyusageandobserveenergypricechangesinrealtime.Thatwouldallowpeopletochangetheirhabitsanduseelectricalappliancesduringlower pricedhours.
SomecriticsfearthattheIoTcouldendupbeingafad（流行）thatpeopleloseinterestinovertime.OthercriticsaredoubtfulthatcompaniesmakingInternet connectedapplianceswillprovidelong termsoftwareupdates.Ifthathappens,arefrigeratororwashingmachinethatshouldlast10yearsormorecouldlasttwoorthreeduetosoftwarethat'soutdated.
Earlythisyear,ownersoftheTeslaModelSelectriccarreceivedarecallnoticeremindingthemofachargerplugneedingtobefixed.Amazingly,ownersoftheModelSsatbackwhilethecompanyperformedan“overtheair”wirelessupdate.Customersconfirmedtheupdatebytappingonthecar'stouchscreentoseethattheModelSwasrunningthelatestsoftwareversion.Notriptothedealerwasrequired!
PerhapsTesla'sremotefixisasignofthingstocome.Somedaysoon,people'slivesmightbecomealotmoreefficientandconvenientthankstotheIoT.
语篇解读：
本文是一篇说明文。
文章介绍了什么是物联网——物联网指把各种物体与信息传感设备相结合形成一个巨大网络，其目的是方便用户识别和管理。
4．WhatcanwelearnfromParagraphs2&3?
A．HowtheIoTworks.
B．WhytheIoTissopopular.
C．WhowillbenefitfromtheIoT.
D．WhatproblemstheIoTisfacing.
解析：
选A 段落大意题。
第二段是对“whattypesofdatamighttheyactuallysend？
”的解释，而第三段进一步解释了物联网的功能，这些都是对物联网如何运转的介绍。
5．TheexampleoftheTeslaModelSelectriccarisusedtoshow________.
A．thecomplexityoftheIoT
B．theconvenienceoftheIoT
C．thevalueoftheTeslaelectriccar
D．thepopularityoftheTeslaelectriccar
解析：
选B 推理判断题。
由倒数第二段的“ownersoftheModelSsatbackwhilethecompanyperformedan‘overtheair’wirelessupdate”可知，汽车车主只需要坐着等待就可以享受维修升级服务，故该事例说明了物联网的便捷性。
6．What'stheauthor'sattitudetowardsthefutureoftheIoT?
A．Hopeful. B．Worried.
C．Doubtful.D．Disappointed.
解析：
选A 作者态度题。
由最后一段的“Somedaysoon,people'slivesmightbecomealotmoreefficientandconvenientthankstotheIoT.”可知，作者对物联网的未来充满了希望。
7．Whatwouldbethebesttitleforthetext?
A．Fadisdisappearing!
B．It'stimetochange!
C．Internetiscoming!
D．It'sallconnected!
解析：
选D 标题归纳题。
本文是对物联网的介绍——物联网指把各种物体与信息传感设备相结合形成一个巨大网络，其目的是方便用户识别和管理。
D项中的connected一词正好说明了物联网把各种物品和网络连接起来的这一特性。
C
IhavelivedinAmerica'scountrysidefornineyears,firstinMichigan,whereIwasgettingmyuniversitydegree;thenincentralIllinois;andnowinIndiana,whereIamauniversityteacher.TherewereafewthingsIenjoyedcomplaining（抱怨）aboutinmylivingarea.I'mavegetarian（素食者）,sothere'snowheretogooutforanicedinnerwithouttakinga50 miledrive.I'mblack,sothere'snowheretogetmyhairdonewithoutanother50 miledrive.
Irepeatedthesecomplaintstomyparentsandmyfriends.Sometimesitseemedlikecomplaintswerethecommonlanguageinmycircle.Weallweredissatisfiedwithsomething.BackinIllinois,myfriendscomplainedaboutthetraintoChicagoandhowit'sneverontime;myfriendsinbiggercitiescomplainedabouttheexpensiverentandstrangesmellsonthesubway.
Complainingallowsustoaccepttheimperfectwithouthavingtotakeaction.Weallhavegreatideasaboutwhatlifewouldbelikeifonlywehadthis,ordidthat,orlivedthere.Perhapscomplaininghelpsbridgethelargespacebetweentheseperfectselvesandreality.
There'salsothis:
Ireallydidn'twanttochangemostofthethingsIcomplainedabout.Complainingwashelpfulonthosedayswhenhappinessrequiredtoomuchenergy.Butitalsomademelosesightofsomething.IwasbornandgrewupinNebraskaandhavelivedmostofmylifeinoneoftheplainsstates.WhenIwenttothecoasts,Iwassurprisedbyhowunattractivebig citylivingcanbe.
Complainingmayofferrelief,butsodoesacceptance.Thereisnoperfectplace.Thereisnoperfectlife.Therewillalwaysbesomethingtocomplainabout.Byfocusingon（关注）mycomplaints,Iriskedmissingoutonimportantmomentsofhappiness.Now,Ilookupintothenightskyandseeallthestars.AndIknowthatIhavenothingtocomplainabout.
语篇解读：
本文是一篇议论文。
作者曾是一个爱抱怨的人，然而她最终意识到抱怨不会带来任何改变还会使她错过许多美好的时刻。
8．Aftercomplaining,theauthorprobably________.
A．hadadeeperunderstandingofrea
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