(系列二)2016届必修2Unit3Computers课件报告

Unit3

Computers【话题词汇】1.universaladj.普遍的2.mobile adj.移动的3.virus n.病毒4.convenience n.便利,便利5.benefit n.利益;好处6.network n.网络7.invention n.独创8.advantage n.优势9.operate

v.操作10.download

vt.下载11.resultin

结果是……12.withoutlimit 无节制地13.negativeeffect 负面影响14.followthefashion

追随时尚【经典语篇】(2010·安徽高考)假如你将参与某英语杂志社开展的一次征文活动,征文的内容要求你在电视、手机(cell)和网络三者中,放弃其中一个并陈述理由。请你以“Whichwouldyougiveup:TV,cell,orWeb?”为题,写一篇英语短文。写作要点:1.电视、手机和网络的普及;2.自己的选择;3.陈述理由。Whichwouldyougiveup:TV,cell,orWeb?[概括主题]①Wearenowlivinginaninformationage,inwhichTV,cellsandtheWebarewidelyused.②Itseemsthatmanypeoplecannotenjoythemselveswithoutthem.

[自己的选择]However,ifIhadtogiveuponeofthem,IwouldturnofftheTVratherthanswitchoffmycellorcutofftheInternet.③IcoulddowithoutTVbecausefewshowstakemyfancyandthere’retoomanycommercials.Besides,mostprogramsonTVarealsoavailableelsewhere.

[陈述理由]AsforcellsandtheWeb,theyaremorenecessarytome.Ineedacelltokeepintouchwithmyfriendsandfamily,andalmostallinformationcanbegatheredontheInternet.

【厚积薄发】Ⅰ.完成句子(1)Thereisnodoubtthat____________________.毫无疑问它有很多优势。(2)Althoughlotsofpeople________________,Istillsetmyhearton__________________oursociety.尽管很多人追随时尚,我照旧想要说一说它对我们社会的负面影响。(3)____________________________________isthatit________________________________.电脑的优势在于它能够让我们的生活变得丰富多彩。ithasmanyadvantagesfollowthefashionitsnegativeeffectonThestrength/advantageofthecomputercanmakeourliferichandcolourfulⅡ.句型转换(1)用such...that...改写句①。_____________________________________________________________________________(2)用强调句强调句③中的缘由状语从句。_________________________________________________________________________________________WearenowlivinginsuchaninformationagethatTV,cellsandtheWebarewidelyused.Itwasbecausefewshowstakemyfancyandthere’retoomanycommercialsthatIcoulddowithoutTV.Ⅲ.句式仿写看起来他离开父母寸步难行。(依据句②仿写)__________________________________________________Itseemsthathecannotgoanyfurtherwithouthisparents.Ⅰ.单词➡分类记忆【核心单词】不行不记1._________(n.)性格;特点2._____(vt.) 解决;解答3._______(adv.) (也作anyway)无论如何;即使如此4.____(n.) 目标;目的;球门;(进球)得分5.______(vi.&vt.) 发信号(n.) 信号charactersolveanyhowgoalsignal6.____(n.) 类型(vt.&vi.) 打字7._____(vi.) 出现;发生8.__________(n.)外观;外貌;出现→_______(vi.)出现9.____(adj.)总的;完全的;(n.)总数;合计;(vt.)共计;总计;把……加起来→______(adv.)完全地;整个地10.__________(n.)应用;用途;申请→_____(v.)应用;涉及;申请→_________(n.)申请人;求职者typeariseappearanceappeartotaltotallyapplicationapplyapplicant【高频单词】不行不知11._______(n.)金融;财经12.________(vt.) 计算13._______(vt.)简化→______(adj.)简洁的14.__________(n.)智力;聪慧;智能→_________(adj.)智能的;聪慧的15.________(adj.)私人的;个人的;亲自的→_________(adv.)就个人而言;亲自→__________(n.)特性;人格;风云人物;名人financecalculatesimplifysimpleintelligenceintelligentpersonalpersonallypersonality16._______(vt.&vi.)探究;探测;探究→________(n.)探险家;勘探者→__________(n.)探究17._________(adj.)电子的→_________(n.)电;电学18.__________(n.)工艺;科技;技术→____________(adj.)科技的exploreexplorerexplorationelectronicelectricitytechnologytechnologicalⅡ.短语➡双语互译1.从……时起__________2.结果 _________3.高质量的 _____________4.时间消逝;顺便探望 _____5.inaway _____________6.makeup ____________________7.afterall _____8.withthehelpof _______________9.dealwith _______________10.watchover __________from...onasaresultofhighqualitygoby在某种程度上弥补;化妆;编造;构成终归在……的帮助下处理;支配;应付看管;监视语境取词——选用上面的单词或短语填空①Computerscancarryoutdifferent_____(类型)oftasks.Theycandownloadinformationfromthewebormobilephone______(信号),helpto_______(探究)themoonandinstructandroidswiththehumanrace’s_________(性格)to__________(照管)theyoungortheold.________(无论如何),computersaresohelpfulthattheydobringhappiness.②Computersareeasilyattackedbyviruses.Thisrealityhasbecomeahardproblemto________(处理).__________(结果),computersaredangerous________(在某种程度上).typessignalsexplorecharacterswatchoverAnyhowdealwithAsaresultinawayⅢ.句型➡超级仿写1.before引导时间状语从句,“……之后才……”Idevelopedveryslowlyand__________________________________(差不多过了两百年才)IwasbuiltasananalyticalmachinebyCharlesBabbage.【仿写】不久公交车就来了。_______________________________ittooknearlytwohundredyearsbeforeItwasnotlongbeforethebuscame.2.Iwonderedif...“我想知道……”Bythe1940sIhadgrownaslargeasaroom,and_________________________________(我想知道我是否能够长得更大些).【仿写】(2011·浙江高考)我想知道学校是否能够在四周放置更多的垃圾箱。_____________________________moredustbinsaround.IwonderedifIwouldgrowanylargerIwonderiftheschoolcouldplace3.as引导时间状语从句,“随着”______________(随着时间的推移),Iwasmadesmaller.【仿写】随着科学技术的快速发展,谁能预料到将来会有什么样的独创?_____________________________________,whocanpredictwhatinventionstherewillbeinthefuture?AstimewentbyAsscienceandtechnologydevelopsrapidly4.so...that...引导结果状语从句,“如此……以至于……”Overtimemymemoryhasdeveloped____________(如此多以至于),likeanelephant,IneverforgetanythingIhavebeentold!【仿写】他如此费劲地想把面条夹起来以至于他满头大汗。Heistrying______________________________heissweatingalot.somuchthatsohardtopickupthenoodlesthat5.betodo结构Anyhow,mygoal_________________________________________(给人类供应高质量的生活).【仿写】她的建议将会影响(influencev.)他们的确定。Heradvice________________________.istoprovidehumanswithalifeofhighqualityistoinfluencetheirdecision【重点单词】1.calculatevt.计算【填一填➡激活思维】①Thisactivity_____________attracttheattentionofordinarypeople.这个活动旨在吸引一般人的留意力。②_______________________atleast6carshiteachotherintherecentcaraccident.据估算在最近的那次交通事故中至少有六辆车相撞。iscalculatedtoIthasbeencalculatedthat【记一记➡构建学问】(1)becalculatedtodosth.准备或支配做某事calculateondoingsth. 希望或依靠做某事Ithasbeencalculatedthat... 据估算……(2)calculation n.计算,推算calculator n.计算器,计算者*Thelittleboyusuallycalculatesonusingthecalculator,whosecalculationisaccurate,tocalculatethosedifficultmathproblems.这个小男孩通常依靠计算精确的计算器来计算那些难的数学问题。2.signalvi.&vt.发信号;发暗号;示意n.信号;暗号【填一填➡激活思维】完成句子。①Assoonashesatdownatthetable,he________tothewaitertobringthemenu.一在桌边坐下,他就示意侍者拿菜单来。②Thetrafficpolice________thedriver____thecarshouldturnleft.交警给司机示意这辆车应当转到左面去。signaledsignaledthat【记一记➡构建学问】(1)signal(sb.)that...示意(某人)……signal(to)sb.todosth. 示意某人做某事(2)adanger/warningsignal 紧急/警告信号trafficsignals 交通信号灯astopsignal 停车信号【拓展延长】symbol指符号、象征、标志等,常表示某种有深邃寓意的事物signal指为某一目的而有意识地发出的信号sign表示“记号、符号”时,同symbol;表示“告示,标志”时,侧重指用图形、文字等所表达的内容;另外还可指“征兆,迹象”mark普通用词,含义广泛,既可指为便于辨认而有意识地所做的标记,又可指自然而然形成的标志或有别于其他事物的特征,也可用于指“分数,成绩”3.arise起身;起床;出现;发生;呈现;产生【填一填➡激活思维】视察句子写出加黑词的含义。①Seeinghismotherreturnhome,theboyarosefromhischairimmediately.()②Newproblemswillariseoneafteranotherinfuture.()③Theyaroseatsunrisetogetanearlystarttothepark.()④Accidentsoftenarisefromcarelessness.()起身出现起床产生【记一记➡构建学问】(1)arise作“呈现;出现;发生”之意时,主语多为抽象名词argument/problem/quarrel/question/movement等,多指不好的事情发生。(2)arisefrom/outof...由……而引起;由……而产生;从……中产生。*Canwebeginbydiscussingmattersarisingfrom/outofthelastmeeting?我们是不是可以从探讨上次会议所产生的问题起先?【辨一辨➡明晰异同】原形词性词义过去式过去分词现在分词arise(vi.)出现,发生,起因于arosearisenarisingrise(vi.)升起,起立,增长,上升roserisenrisingraise(vt.)举起,提高,饲养,养育,筹集,招募raisedraisedraisingarouse(vt.)唤醒,激起arousedarousedarousing*Oneoftheproblemsarisingfromthepresenteconomicsituationisthatthepriceisrisingsharply,ofcourse,partlybecausesomeillegalbusinessmenraiseitonpurpose,whichhasarousedsomeobjection.由当前经济形势产生的问题之一是价格快速上涨,当然,部分缘由是一些不法商贩有意提高价格;这种现象已经引起了一片反对之声。【看一看➡巧学助记】形象记忆“升起”【核心短语】4.asaresult结果【填一填➡激活思维】完成句子。①(2013·山东高考)__________,Ihadnochoicebuttocompletelyfocusonmystudy.结果,我别无选择只好完全专心于学习。②Hewasinjured___________acaraccident.他因车祸而受伤。Asaresultasaresultof【记一记➡构建学问】asaresultof因为;由于;作为……的结果resultfrom 是由……造成的resultin 导致;造成【看一看➡巧学助记】越来越多的污染(缘由)→很多物种正在灭亡(结果)*Thereismoreandmorepollution.Asaresult,manyspeciesaredyingout.*Asaresultofmoreandmorepollution,manyspeciesaredyingout.*Moreandmorepollutionhasresultedinmanyspeciesdyingout.*Thefactthatmanyspeciesaredyingoutresultsfrommoreandmorepollution.5.dealwith处理;支配;应付【填一填➡激活思维】视察句子,写出加黑词的含义。①(2013·四川高考)Ourstudyshowsforthefirsttimethatthewayinwhichwedealwithfearisdifferent.()②(2011·安徽高考)Thisislife,thisiswhatyouaregoingtoface,andthisishowyoudealwithit.()③Hisarticledealswithmanyissueswearegreatlyconcernedabout.()④Theladyishardtodealwith.()处理支配涉及应付【悟一悟➡参透误区】dealwith中的deal为不及物动词,常与疑问词how连用,表示“怎么处理/对待”;dowith其中的do为及物动词,表示“怎么处理/对待”时,常与疑问词what连用。*Idon’tknowhowtheywilldealwiththeproblem.*Idon’tknowwhattheywilldowiththeproblem.我不知道他们将如何处理这个问题。【经典句式】6.IdevelopedveryslowlyandittooknearlytwohundredyearsbeforeIwasbuiltasananalyticalmachinebyCharlesBabbage.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。【填一填➡激活思维】仿写句子。①Theywalkedveryslowlyand___________________________theyreachedtheirdestination.他们走得很慢,差不多两个小时后他们才到达目的地。②_______________________thesituationcamebacktonormal.很多年后这种形势才复原正常。ittooknearlytwohoursbeforeIttookmanyyearsbefore【记一记➡构建学问】(1)该句运用了“Ittook+一段时间+before+从句(一般过去时)”句型,表示“过了一段时间后才……”。在该句型中主句谓语动词也可运用be动词。(2)Itwill(not)be+时间段+before+从句(现在时)要过一段时间后才……(用不了一段时间就……)Itwas(not)+时间段+before+从句(过去时)过了一段时间后才……(没过一段时间就……)*Itwillbealongtimebeforehecomesback.要过很长时间后他才能回来。*Itwasnotlongbeforethesecondearthquakehappened.不久其次次地震就发生了。【悟一悟➡参透误区】以上句型中若主句为将来时态,从句则用一般现在时态;若主句是一般过去时态或过去完成时态,则从句用一般过去时态。【拓展延长】“Itbe+时间+从句”的句型还有:(1)Itis/hasbeen+时间段+since+一般过去时Itis/hasbeen5yearssincehecametoourschool.这一句型可引申为:Itwas+时间段+since(从句用过去完成时)Itwas10yearssincehehadarrivedinChina.留意:since从句的谓语动词一般是非持续性动词,但有时也可用持续性动词或表示状态的词,此时须要留意句子的翻译。试比较:Itisthreeyearssinceshecametoourclass.她来我们班已经有三年了。Itisthreeyearssinceshewasinourclass.她离开我们班已经有三年了。(2)It+was+时间点+when-clause(从句用一般过去时)Itwillbe+时间点+when-clause(从句用一般现在时表将来)Itwasalreadyeighto’clockwhenhecamebackhome.当他回家时已经8点了。Itwillbemiddaywhentheygethome.当他们到家时将是中午。(3)It/This/Thatis+the+序数词+time+that从句(从句用现在完成时)It/This/Thatwas+the+序数词+time+that从句(从句用过去完成时)ItisthefirsttimethatIhavebeenhere.Itwasthesecondtimethathehadbeenoutwithheralone.

(4)Itis+(high)time+that+主语+did/shoulddo(虚拟语气)Itis(high)time(that)westopped/shouldstoppollution.(5)Itbe+时间状语(被强调部分)+that...Itwasat6o’clockthatweheardthenoise.(强调句)7.Overtimemymemoryhasdevelopedsomuchthat,likeanelephant,IneverforgetanythingIhavebeentold!随着时间的推移,我的记忆实力增加得如此之多,就像一头大象一样,我从来不会遗忘告知我的任何事情!【填一填➡激活思维】仿写句子。①(2013·四川高考)Keepingalearningdiaryeveryday_________________Iwouldliketointroduceittoyou.每天坚持写学习日记是如此重要所以我想把这种学习方法介绍给你们。②(2013·福建高考)Asaconsequence,children_________________________________theyhavenoindependentthoughtorcreativeideas.结果是孩子对于父母变得如此依靠以至于他们没有独立思索的实力和创建性的想法。issoimportantthatbecomesoreliantontheirparentsthat【记一记➡构建学问】so/such...that引导结果状语从句,意为“如此……以至于”。(1)so...that...句型的常见形式:so+adj./adv.+that...so+adj.+a/an+单数可数名词+that...so+many/few/much/little(少)...+n.+that...(2)such...that...句型的基本结构：(3)当so/such及其后成分放在句首时,主句用部分倒装。*Sheissocleveragirlthatwealllikeher.=Sheissuchaclevergirlthatwealllikeher.=Socleveragirlisshethatwealllikeher.=Suchaclevergirlisshethatwealllikeher.她是一个如此聪慧的姑娘,我们都宠爱她。such+a/an+adj.+单数可数名词+that...such+adj.+复数可数名词/不行数名词+that...【要点拾遗】1.solvevt.解决;解答【填一填➡激活思维】完成句子。①Sincehousepricesbecomehigherandhigher,manyordinarypeopleneedsomemethods___________________.因为房价越来越高,很多一般人须要一些方法来解决这个问题。②Thetwocount