《金版学案》2016届高考英语北师大版一轮复习课件：Unit23Conflict

高考总复习英语(北师大版)模块8•Unit23

Conflict

基础再现

考点整合

语法专题

写作导航

题型突破栏目链接Ⅰ.写出下列必考单词基础再现识记类词汇1．friction(n.)____________2．harmony(n.)____________3．forgetful(adj.)____________4．queue(n.)____________5．scared(adj.)____________6．depth(n.)____________不和，抵触和谐易忘的队列害怕的深度基础再现7．unbelievable(adj.)____________8．profession(n.)____________9．tension(n.)____________10．universal(adj.)____________难以置信的职业紧张，焦虑宇宙的，独特的基础再现表达运用类词汇1．把……分类(vt.)____________2．十四天，两周(n.)____________3．暴露(vt.)____________4．指派(vt.)____________5．商业的(adj.)____________6．代表(n.)____________7．说起；评论(n.)____________classifyfortnightexposeappointcommercialrepresentativeremark基础再现8．消费(vt.)____________9．加强，强化(vt.)____________10．失去知觉的(adj.)____________consumestrengthenunconsciousⅡ.写出下列单词的变化形式基础再现1．社会主义(n.)____________社会主义的(adj.)____________社会(n.)____________2．移居；移民入境(n.)____________移入(vi.)____________移民(n.)____________socialismsocialistsocietyimmigrationimmigrateimmigrant基础再现3．(使)变强，加强(vt.)____________力量，力气(n.)____________强大的，强壮的(adj.)____________4．显露(vt.)____________暴露(n.)____________5．任命，委任(vt.)____________任命，委任；约定(n.)____________6．私有物品(n.)____________拥有(vt.)____________strengthenstrengthstrongexposeexposureappointappointmentpossessionpossess基础再现7．安全(n.)____________可靠的(adj.)____________8．代表(n.)____________代表(vt.)____________表示法；表现；陈述(n.)____________9．喝；消费；消耗(vt.)____________消费；吃喝(n.)____________消费者(n.)____________securitysecurerepresentativerepresentrepresentationconsumeconsumptionconsumer基础再现10．相识的人(n.)____________使了解，使熟悉(vt.)____________11．想要，打算(vt.)____________意图，目的(n.)____________12．进口(vt.)____________出口(vt.)____________acquaintanceacquaintintendintentionimportexport基础再现活学活用用所给单词的适当形式完成下列句子。1．Hedecidedto________allthelawlessactionsofhisgoodfriend，althoughthe____________meanstheirseparation.(expose)2．Theyplanto________toAustralianextyear，whichmeanshewillbeaChinese________inAustralia.Butheisnotsureaboutthe____________atall.(immigrate)3．Hewas________asamanageryesterdayandhehasmadean____________withhiscustomerat6o'clocktoday.(appoint)exposeexposureimmigrateimmigrantimmigrationappointedappointment基础再现4．Hisideathatlanguageisthecarrierandthe__________ofculture________thatofthemajority，whoarethe_______________today.(represent)5．It'sallthe_________who________alltheproducts.The______________helpstheeconomicdevelopment.(consume)6．Playinggameswithothersnotonlymakesurethatwehaveenough________，butalsohelp__________ourrelationship.(strength)7．Ijusthaveanodding____________withhimandIbecame____________withhimyesterday.(acquaint)representationrepresentsrepresentativesconsumersconsumeconsumptionstrengthstrengthenacquaintanceacquainted

Ⅲ.短语熟记基础再现翻译下列必背短语1．向某人告别____________2．支持____________3．(在困境中)坚持____________4．履行诺言____________5．与……商量某事____________6．摆脱____________bid...goodbyestandupforholdoutkeepone'swordtalksth.overwithsb.getridof基础再现7．在……方面有天赋____________8．瞧不起，轻视____________9．与……相似____________10．取笑某人____________haveagiftforlookdownonbesimilartomakefunof活学活用基础再现根据括号中的解释，从课文中找出恰当的短语完成下列句子。1．Wemust________(discuss)thearrangementswiththem.2．Youcan't________(sellallone'sgoods，stocksorshares)thecartoyourownmind，whichisminetoo.3．Please________(givesth.tosomeoneelse)yourdocuments.talkoversellouthandover基础再现4．Johnhas____________(passthroughtotheendof)theexamination.5．TheTradeUnionCongress__________(suggestorofferforconsideration)aplanfornationalrecovery.6．Icannot__________(endureortolerate)mynoisyroommates.7．I________________(gettiredwith)thisdulllife!8．______________(overalongperiodoftime)，receivingagoodeducationisveryimportant.gotthroughputforwardputupwithamfedupwithInthelongterm基础再现9．Iwillhaveenoughmoneyin____________(several)months.acoupleof

Ⅳ.语篇学习基础再现ⅰ.课文内容语法填空阅读课文，然后按照课文内容在空格处填入一个适当的词，或使用所给词语的正确形式完成下面短文。Herearetwocommunitystories.OneisaboutYangMing，adrummerinarockband.1.________heldpartieseverynightandoftendrummeduntillatenight，2.________annoyedhisneighbors.Sotheycomplained3.________thelocalcouncil.Finally，he4.________(move)outofhisapartment，butheHewhichtomoved基础再现thoughthisrightshadbeenignored5.________itwasupsettingtohimthattheyclassifiedhismusicasnoise.Theothertellsastoryabout6.________80－year－oldretiredtailor，JamesMcKay.Hewasjailedonenightfor7.__________(hit)hisyoungupstairneighborSmith.Smithlikesgardeningandcollectingfishverymuch.But8.________hewateredhisplantsorcleanedhisfishtanks，thewateroftenfellontotheMcKays'balconyandevenonthemselves.Theworstwas9.________Mr.andanhittingwhenon基础再现McKay'sbirthdayeveninglastSaturday，theMcKaysandthecakewereallwetthrough.That'swhyMr.McKayrushedupstairsandhithim.10.__________(excite)，whenMr.McKayleftthepolicestation，manysupporterssanghim，“HappyBirthday”．Excitedly基础再现ⅱ.话题作文翻译与背诵2010年1月12日，一场大地震重创海地，引起了全球多方关注。请根据下表内容写一篇文章发表在你的英文博客上，介绍海地的情况，并呼吁更多的人帮助海地。事件2010年1月12日，

海地(Haiti)发生大地震后果·建筑物大面积倒塌，死亡人数超过20万·治安极其混乱·从饮水、汽油到出租车费，物价全面飞涨中国行动中国政府派出救援队并提供紧急物资援助；民间自发捐款呼吁全世界人民行动起来帮助海地人民重建家园基础再现____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________OnJanuary12th,2010,aterribleearthquakestruckHaiti,causingmorethan200，000deathsandmanybuildingstocollapseintoruins.Afterthequake,thepublicsecuritywasinamessandthepricesofgoodswentupquickly,suchasdrinkingwater,petrol,andeventhecostoftakingataxi.Hearingthisastonishingnews,theChinesegovernmentsentarescueteamtotheearthquake－strickenareaandalsoprovidedlotsofurgentsupplies.Moreover,manyChinesepeopledonatedalotofmoneytothecountry.I'mheretoappealtoeveryoneofyoutotakeactionandhelpthepeopleinHaititorebuildtheirhomes.

基础再现

考点整合

语法专题

写作导航

题型突破栏目链接Ⅰ.重点单词考点整合1．1．exposevt.暴露，揭露；使面临；使接触归纳拓展考点整合(1)expose用作动词，意思是“暴露，揭露，显露”。常用的短语有：exposesth./sb.to

sth./sb.使……暴露于；使面临；使接触(2)exposed用作形容词，意思是“无遮蔽的，不挡风雨的；易受攻击的”。常用的短语有：beexposedto处于可能受伤害的境遇(3)exposure用作名词，意思是“面临，遭受；揭露”。考点整合完成下列句子。(1)Thechildren______________________(正面临着危险)sowemusthelpthem.(2)Thefloodswashedawaythesoil，________________________(使得下面的岩石露出来了)．(3)Hisbackwasbadlyburntbecausehe____________________(后背暴露在太阳下)fortoolong.(4)Thenewspaper____________________________________________(揭露了这个秘密组织的活动)．即学即练areexposedtodanger

exposingtherocksbeneathexposedittothesunexposedtheactivitiesofthesecretorganization考点整合2．classifyvt.分类，归类；编排vi.属于……类归纳拓展考点整合

classifiedadj.分类的；机密的classificationn．分类；类别classifysb./sth.assth.划分，界定beclassifiedinto被分类为……考点整合完成下列句子。(1)Inmodernsociety，people____________________(以……分类)theireconomiclevel.(2)Peoplewhoworkinlibrariesspendalotoftime__________books.(3)Isthisarticleclassified__________anovelorareport?即学即练areclassifiedby

classifying

as考点整合3．appointvt.任命；委派；指定；决定归纳拓展考点整合appointedadj.指定的；决定的appointmentn．任命，任用；约定；预约考点整合完成下列句子。(1)他们任命他为经理。They________him(tobe)manager.(2)规定开会的时间是10点30分。Thetime________forthemeetingwas10：30.(3)他升任经理是众望所归的。Hispromotiontomanagerwasapopular________.即学即练appointed

appointed

appointment考点整合(4)今晚我与他们有个约会。Ihavean_____________withthemintheevening.appointment考点整合4．remarkv．&n．说(后接that从句);评论；注意归纳拓展考点整合remarkableadj.非凡的，引人注目的remarkablyadv.相当地，非常地makearemarkon/about批评；发表议论remarkon/upon评论，谈论，议论asremarkedabove如上所述考点整合完成下列句子。(1)Hewasremarking________thesubjectwhenIcameintotheroom.(2)Theyhaveachieved______________(remark)successintheirwork.(3)Hehadahabitof__________________________(说幽默话)．(4)____________(他的话)hurtherfeelings.即学即练upon/on

remarkablemakinghumorousremarks

Hisremarks考点整合5．intendvt.计划；打算归纳拓展考点整合intendsb.todosth.打算让某人做某事intend...as...打算使……成为……intendsth.for

sb.为某人准备某事物(常用于被动语态)考点整合完成下列句子。(1)当你完成了英国的学习后，你打算做什么？Whatdoyou__________________whenyouhavefinishedyourstudiesintheUK?(2)这本书是给中学生用的。Thisbook________________________middleschoolstudents.即学即练intendtodo

isintendedfor

考点整合

(3)我打算让汤姆跟我一块去听音乐会。I________________endTomtogo考点整合6．possessvt.拥有，持有；具有(能力或品质)；了解，懂得；受(感情)支配，受(感情)影响归纳拓展考点整合possessiveadj.想独占的，不愿与人分享的possessorn．拥有者，持有人，占有者possessionn．所有物，财产；拥有inpossessionof拥有……；掌握……inthepossessionof由……拥有inone'spossession为某人所拥有takepossession(of)接手；开始拥有考点整合完成下列句子。(1)凯特是个具有非凡才智的女子。Kateisawomanwho________rareintelligence.(2)我掌握了一些在我看来你会感兴趣的信息。Iam____________someinformationthatIthinkwillinterestyou.即学即练possessesinpossessionof

考点整合

(3)我手中没有这份文件的复印件。Ididnothaveacopyofthedocument_______________________________________.(4)温特赛特镇于1947年接手这座城堡。ThetownofWinterset________________thecastlein1947.inmypossessiontookpossessionofⅡ.重点短语考点整合1．handover交出，移交归纳拓展考点整合handback交还handdown传下来，传给handin交上(给老师或上级)handon传……给另一人handout散发考点整合完成下列句子。(1)Thiscustomhasbeen____________sincethe18thcentury.(2)Eachstudenthasto________acompositiononceaweek.(3)Theteacher____________thebooksatthebeginningofthelesson.(4)WhenMr.Jonesgotold，hewill____________hisbusinesstohisson.即学即练handeddown

handin

handedouthandover

考点整合

(5)Whenyoufinishreading，please___________thebook.(6)Before____________toJim，I'dliketothankyouallforyoursupport.handback

handingover考点整合2．haveagiftfor有……天赋归纳拓展考点整合haveagiftfor＝haveatalentfor＝begiftedin有……天赋考点整合完成下列句子。(1)她有学习语言的天赋。She__________________learninglanguages.(2)这个孩子有艺术天赋。________________________________________________即学即练hasagiftfor

Thechildhasagiftforart.考点整合3．putforward

提出，建议；把钟/表向前拨；推荐，举荐归纳拓展考点整合putaway放好；积蓄putanendto结束putdown记下；镇压putoff推迟putout扑灭；关(灯)putup挂起；举起；贴(广告等)；为某人提供住宿putupwith忍受考点整合完成下列句子。(1)He__________________(提出)anewtheoryatthemeeting，whichwethoughtwaspractical.(2)He____________(拨快)thehandsoftheclocktoavoidbeinglate.(3)Theyhavedecidedto____________(推迟)goingtothedentist.即学即练putforwardputforward

putoff考点整合4．talksth.over(withsb.)与某人详细讨论某事归纳拓展考点整合talksb.over

使某人改变看法talkback顶嘴talknonsense胡说bethetalkofthetown大家都在议论的人或事考点整合完成下列句子。(1)当地的政治家与美国人详细讨论了那件事。Localpoliticians___________________theAmericans.(2)他去看望他的朋友是为了能详细讨论他的问题。Hecalledonhisfriendinorderthathemight________________．即学即练talkedoverthematterwithtalkoverhisproblem考点整合5．holdout

抱有(希望)；坚持，维持；忍耐；伸出归纳拓展考点整合hold...out伸出；给予holdon稍等holdonto抓住；不放弃holdback阻止；退缩hold...down控制，压制holdup延迟；抬高考点整合完成下列句子。(1)Howlongcanwe_______________(抵抗)againsttheseattacks?(2)Wemust______________(坚持)tillvictory.(3)Theoldfurnituremaybevaluableinthefuture，so______________(不要扔掉)．即学即练holdoutagainst

holdout

holdontoit考点整合

6．comeabout

发生，产生(不用于被动语态)；(船只)改变方向归纳拓展考点整合comeacross偶然遇见；理解comeout算出来；开花；出版comeover到来，顺便到访comeby弄得，获得(珍稀或难以得到的东西)考点整合

完成下列句子。(1)没有人知道这件事是怎么发生的。Nobodyknows__________________________.(2)他是怎么知道我们在什么地方的？____________________thatheknewwherewewere?(3)船随着风向的改变不时地转变航向。Theship____________fromtimetotimeasthewindchanged.即学即练howthiseventhascomeaboutHowdiditcomeabout

cameabout考点整合

(4)我今天上午在超级市场遇到了一个老校友。I________anoldschoolfriendinansupermarketthismorning.(5)你究竟是如何得到那幅画的？Howonearthdidyou________thatpicture?(6)这本书将于下个月出版。Thebookwill________nextmonth.cameacross

comeby

comeoutⅢ.重点句型考点整合1．Nosoonerhadtheymovedinthanthenoisebeganandrarelydidtheygetafullnight'ssleep.(p.20)他们一搬进来，噪音就开始了。他们(邻居)几乎没有睡过一个囫囵觉。归纳拓展考点整合此句型为倒装结构，把否定词nosooner，little，seldom，rarely，never，neither，hardly等放于句首时，句子采用部分倒装形式，即把助动词、情态动词或系动词置于主语之前，起强调的作用。另外，nosooner...than，hardly...when，scarcely...when构成的句式含义为“一……就……”，前面的主句时态为过去完成时，后面的从句为一般过去时。考点整合汉译英。(1)我从来没有看过这么感人的电影。__________________________________________(2)方案一经提出就被采纳了。________________________________________________________________(3)他很少回家。______________________________________即学即练NeverbeforehaveIseensuchamovingfilm.Nosoonerhadtheplanbeenputforwardthanitwasadopted.Rarelydoeshegohome.考点整合2．Seldomhasdrummingcausedsuchconflict.(p.20)

击鼓发出的声音很少引起这样的冲突。归纳拓展考点整合seldom是否定副词，当它置于句首时，主句要部分倒装。考点整合完成或翻译下列句子。(1)我很少有机会读书。________________________getachancetoread.(2)最近我很少在街上遇到他。________________himinthestreetrecently.(3)我们很少去思考怎么去帮助那些残疾人。_________________________________________即学即练SeldomdoI

SeldomhaveImetSeldomdowethinkhowtohelpthosedisabledpeople.考点整合3．...theVIPshappenedtobeageneralandagroupofabouttwelvepeople.(p.25)这些重要人物碰巧是一位将军和12人左右的一群人。归纳拓展考点整合sb.happentodosth.＝ithappensthatsb.do

sth.某人刚好/碰巧做某事happentodo/be碰巧做/是happentobedoing碰巧在做happentohavedone碰巧已经做了即学即练考点整合完成下列句子。(1)我去李老师家拜访时碰巧他外出了。________________________whenIcalledathim.(2)他来向我借那本小说时我刚好看完了。______________Ihadfinishedreadingthenovelwhenhecametoborrowit.即学即练Mr.Lihappenedtobeout

Ithappenedthat考点整合(3)这位下岗工人去那个公司求职时，那儿刚好有个空缺岗位。_____________________________whenthelaid－offworkerwantedtofindajobinthatcompany.Therehappenedtobeavacancy

基础再现

考点整合

语法专题

写作导航

题型突破栏目链接纯空格题(连接词)——专项训练语法专题专项训练语法专题Ⅰ.在空格处填入适当的连词或引导词1．TheoldmanaskedLucytomovetoanotherchair________hewantedtositnexttohiswife.2．—It'snousehavingideasonly.—Don'tworry.Petercanshowyou________toturnanideaintoanact.3．________studentsdecidewhichcollegetogoto，theyshouldresearchtheadmissionprocedures.语法专题4．Thegirlarrangedtohavepianolessonsatthetrainingcentrewithhersister________shewouldstayforanhour.5．I'vebecomegoodfriendswithseveralofthestudentsinmyschool________ImetintheEnglishspeechcontestlastyear.6．That'sthenewmachine________partsaretoosmalltobeseen.7．Thisisaplace________Iusedtolive.8．Aftergraduatingfromcollege，Itooksometimeofftogotravelling，________turnedouttobeawisedecision.语法专题9．Thenewlybuiltcafé，thewallsof________arepaintedlightgreen，isreallyapeacefulplaceforus，speciallyafterhardwork.10．Irefusetoaccepttheblameforsomething______wassomeoneelse'sfault.11．________wehavestressedmanytimes，“servethepeople”isourfirstpolicy.12．Thesettlementishometonearly1，000people，manyof________lefttheirvillagehomesforabetterlifeinthecity.语法专题

13．Thenews________thehousingpricewillfallhascausedmanypeopletoselltheirhousesatlowerprices.14．PartofthereasonCharlesDickenslovedhisownnovel，DavidCopperfield，was________itwasrathercloselymodeledonhisownlife.15．—IprefershuttingmyselfinandlisteningtomusicalldayonSundays.—That's________Idon'tagree.Youshouldhaveamoreactivelife.语法专题1．解析：空格前后两个句子在逻辑意义上存在原因关系，所以用because引导原因状语从句。答案：because2．解析：how“怎样”，强调方式。答案：how3．解析：一旦学生们决定了去哪所大学读书，他们就得研究一下办理入学的手续。once“一旦”，符合题意。答案：Once语法专题4．解析：先行词为centre，从句不缺宾语或主语，故用where作地点状语。答案：where5．解析：该空引导定语从句修饰表示人的先行词thestudents，且在从句中作met的宾语，故填关系代词who。答案：who6．解析：空格处引导定语从句并在从句中作定语，故填whose。答案：whose语法专题7．解析：介词＋which引导定语从句。答案：inwhich8．解析：which引导非限制性定语从句并在从句中作主语，代替前面整个句子的内容。答案：which9．解析：介词＋which引导定语从句。答案：which语法专题10．解析：不定代词something作先行词，用that引导定语从句并在从句中作主语。答案：that11．解析：句子以整个主句作为先行词，非限制性定语从句放在主句前，故用as引导。答案：As12．解析：先行词是people，表示人，用whom引导非限制性定语从句。答案：whom语法专题13．解析：用that引导同位语从句，解释先行词news的内容。答案：that14．解析：从句不缺成分，因此用that来引导表语从句。答案：that15．解析：agree是不及物动词不需要宾语，所以用where引导表语从句。答案：where语法专题

Ⅱ.语篇填空Theythinkthattimeisthemostimportant.Nowherecanthissenseoftimebeseenmoreclearly1.________intheworkingplace.WorkingAmericansareboundtotheclock.Itisacommonlyheldbelief2.________oneshouldbalanceworkagainstasettime，forexamplean8－hourdayora40－hourweek.Anythingoverthesetimelimitsisovertime，3.________theworkershouldreceivemoremoneyperhourforworkdoneduringovertime.Timeduringnonworkinghoursisalsoconsideredveryprecious.4.________anAmericandecideson语法专题ahecticweekendschedule，5.________SaturdayandSundayarefilledwithactivities，oronarelaxedweekend，thetimewillberegardedasvaluable.SomeAmericansfeel6.________theyhavealove/haterelationshipwithtime.Theylovethecomforts7.________progresshasbroughtthroughwork，8.________theyhatethebondagetotheclock9.________thepressuresofatime－orientedsociety.Thereislittledoubt10.________manyAmericansfeelthattheyhavebecomeservantsoftheclock.语法专题1．解析：比较级结构more...than。答案：than2.解析：引导同位语从句解释先行词belief的内容。答案：that3．解析：空格前后是顺承关系，故填连词and。答案：and4．解析：whether引导让步状语从句，并与or下文搭配。答案：Whether语法专题

5．解析：引导时间状语从句。答案：when6．解析：引导宾语从句。答案：that7．解析：引导定语从句修饰先行词comforts。答案：that/which8．解析：theylove与theyhate是转折关系，故填but。答案：but语法专题9．解析：thebondage与thepressures并列作hate的宾语。答案：and10．解析：引导同位语从句解释先行词doubt的内容。答案：that

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语法专题

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题型突破栏目链接书面表达分类训练（12）——论证观点写作导航写作步骤写作导航1．过渡。常用的过渡句式有：·Thereisanexperienceabout...·Thefeelingof...·Takemeasanexample.·AsfarasIamconcerned，Ihaveasimilarexperiencein...·Ihavesuchasimilarexperience.2．事实论证：通过列举典型事例，具体有力地证明即将引出的论点或看法。写作导航3．分析：引出自己的感悟和看法。4．总结：提出个人观点或总结。常用过渡语有：·Inmyopinion...·Frommypersonalpointofview...·AsfarasIamconcerned...专项训练写作导航论证观点型议论文读写任务写作练习以约120词就“勿以善小而不为”的主题发表看法，内容包括：1．该故事给你什么启示？2．你认为生活中的小善能带来大作用吗？3．举例说明你的观点。写作导航【参考范文】Smallgooddeedssometimesmaygetbigreturnormakeagreatdifference.Ifullyagreethattrivialthingsplayanimportantpartinourlife.Suchexamplescanbeseeneasilyinourdailylife.Agoodcaseinpointis，aswecansee，awordofencouragementfromasincereteacheroftenchangesadown­heartedstudent'sideaandbehavior.Anotherexampleisthatawarmsmiletosomeonewholosescourageandwantstocommitsuicidemaycomforthim，cheerhimupthroughthedarkestnightinhislife.写作导航Inaword，itisthetrivialthingsindailylifethatcount.Justasthefamoussavinggoes，donotthinkanyvirtuetrivial，andsoneglectit；donotthinkanyvicetrivial，andsopracticeit.

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语法专题

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题型突破栏目链接推理判断型阅读理解(2)题型突破一、推断文中人物的观点、情感、品性题型突破题干有Whetext？/Howdidsb.feelabout...？/Hisattitudetowards...isthat...等标志语句。答题时要准确把握文段的相关信息来推断文中人物对所涉及的人物或事情的观点、态度、情感、性格、品质等。二、推断文章的续写内容题型突破题干有Inthenextpart，theauthorwouldmostprobablydiscuss.../Whatismostlikelytobediscussedintheparagraphthatfollows？等标志语句。答题时可根据语篇内容、写作思路与文章结构来预测作者接着要写什么。最后一段的最后一句话非常重要。三、推断结论、提炼观点题型突破题干有WhatcanbeinferredfromParagraph？/Wecanconcludefromthetextthat...等标志语句。答题时可根据某(几)句话或某段或全篇提炼出一种观点或得出总结性的结论。专项训练题型突破阅读理解练习Batteriescanpoweranythingfromsmallsensorstolargesystems.Whilescientistsarefindingwaystomakethemsmallerbutevenmorepowerful，problemscanarisewhenthesebatteriesaremuchlargerandheavierthanthedevicesthemselves.UniversityofMissouri(MU)researchersaredevelopinganuclearenergysourcethatissmaller，lighterandmoreefficient.题型突破“Toprovideenoughpower，weneedcertainmethodswithhighenergydensity(密度)”，saidJaeKwon，assistantprofessorofelectricalandcomputerengineeringatMU.“Theradioisotope(放射性同位素)batterycanprovidepowerdensitythatismuchhigherthanchemicalbatteries.”Kwonandhisresearchteamhavebeenworkingonbuildingasmallnuclearbattery，presentlythesizeandthicknessofapenny，intendedtopowervariousmicro/nanoelectromechanrealsystems(M/NEMS).Althoughnuclearbatteriescancauseconcerns，Kwonsaidtheyaresafe.题型突破“Peopleheartheword‘nuclear’andthinkofsomething