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在閱讀題和詞匯語(yǔ)法題中,有這幾個(gè)詞的選項(xiàng)肯定是答案:beyond,entitle,availabel,bargain,lest,exceptfor在“自然科學(xué)''閱讀中,有這幾個(gè)詞的選項(xiàng)肯定要排除:all,only,totally,compalatly,unlimiely.在“態(tài)度題''中,有這兩個(gè)詞的選項(xiàng)要排除:indiffrent(漠不關(guān)心的),subject(主觀的)詞匯:(很有沖刺性)comegokeepholdgetputmaketurnbringlookcallaskstandlayrunlive以上詞跟介詞搭配必考幾道!重點(diǎn)記憶詞匯(括號(hào)內(nèi)注明的是這次要考的意思)bargain(見(jiàn)了就選)exceptfor(見(jiàn)了就選)offer(錄取通知書)effects(個(gè)人財(cái)物)gap(不足、差距)mark(污點(diǎn)、做標(biāo)記)mind(照料、看管)moment(考了8次)present(拿出)inquiredeliberateadvisableaccuseanythingbutbutforconsumewithextensiveatintervalsoriginpreferabletoprocedureprofitablepropertypacepointrangerefuserefertoreliefreligionrelativelyreleaserisesinglesolespoilsticksuitsurpriseurgentvarytensetoleranttracevacantweakenwearoff(有一些你總見(jiàn)到,但是總是拿不準(zhǔn)代表什么,但真的就愛(ài)考這個(gè)!所以還是背背吧)需要辨析的:Lcalloff(取消、放棄)和callup(召集、喚起)adaptto和adoptarise和arousecounton=relyoncopewith=dealwithnodoubt和indoubtemployee和employergeneral和generousinstant和constantlie(及物)和lay(不及物)regulate和regularsupply(有目的提供)和offer(無(wú)B的提供)語(yǔ)法:(分值?。?虛擬語(yǔ)氣:采集者退散表示建議的幾個(gè)詞:wish,wouldrather,hadrather;itistimethat+過(guò)去式;itishightimethat+過(guò)去式;butfor、lest>asif、asthough>would>should>could、might+動(dòng)詞原型。.非謂語(yǔ)動(dòng)詞:采集者退散最??迹翰欢ㄊ奖硎局鲃?dòng)、將來(lái),通常愛(ài)做后置定語(yǔ);其次考:分詞現(xiàn)在分詞表示主動(dòng)進(jìn)行,過(guò)去分詞表示被動(dòng)完成。通常做狀語(yǔ)。再次考:動(dòng)名詞動(dòng)詞名詞化,做主語(yǔ)和賓語(yǔ)。.時(shí)態(tài):按出題可能性大小依次為:將來(lái)完成時(shí),過(guò)去完成時(shí),現(xiàn)在完成進(jìn)行時(shí),現(xiàn)在完成時(shí),一般現(xiàn)在時(shí)。(固定搭配很重要?!記一下絕對(duì)對(duì)完型翻譯還有作文有好處噢一)四、六級(jí)常考重點(diǎn)詞組abideby,conformto,complywith遵守(be)abundantin(berichin)富于,富有ofone'sownaccord(willingly)自愿地,主動(dòng)地inaccordancewith(accordingto)依照,根據(jù)intermsof根據(jù)oaccount(takeintoconsideration)把.??考慮進(jìn)去onnoaccount(=innocase,fornoreason)絕不要adaptoneselfto(=adjustoneselfto)使自己適應(yīng)于inadditionto(=aswellas)除...夕卜inadvance預(yù)告,事先.takeadvantageof(=makethebestof,makeuseof)利用.intheair不肯定,在謠傳中.appealtosb.forsth.為某事向某人呼吁.appeallosb.對(duì)某人有吸引力approveof贊成infavourof贊成assuresb.ofsth向…保證,使…確信makeanattemptatdoingsth.(todosth.)試圖做…attendto侍候,照料attribute...to4C..0ST..contributeto有助于dueto是由于atone'sback支持,維護(hù)onthebasisof根據(jù)…forthebenefitof為了…的利益getthebetterof(=defeatsb.)打敗inblossom開(kāi)花inbulk成批地centeron(=focuson)把注意力集中在…h(huán)bychance(=accidentally,byaccident)偶然chargesb.with.??控告某人犯有???roundtheclock(晝夜不停地commitoneselfto致力于compare...with...把...與...比較compare...to...把...比作...onconditionthat(if)如果intheeventthatconfidein對(duì)…講真心話,beconfrontedwith面對(duì),面臨inconnectionwith與...有關(guān)beconsciousof(=beawareof)覺(jué)察,知道consentto同意underconsideration在考慮中consistof(=becomposedof)山...組成的contraryto(oppositeto)與???相反incontrastto/with和…形成對(duì)比bycontrast對(duì)比之下bycomparison比較起來(lái)atallcosts不惜任何代價(jià).gotoanylength想一切辦法byallmeans不惜一切.atthecostof以…為代價(jià)(attheexpenseof)toone'scredit使某人感到光榮becriticalof愛(ài)挑毛病的,不滿outofdate過(guò)時(shí)的;uptodate最近的,時(shí)興的;datebackto回溯到;datefrom從某時(shí)期開(kāi)onthedecline在哀退中,在減少中indemand有需求deprivesb.ofsth.剝奪某人某物deviatefrom偏離fallback(retreat,turnback)撤退disposeof(getridof,throwaway)處理掉beyonddispute無(wú)可爭(zhēng)議indispute在爭(zhēng)議中distinguish...from把…與…區(qū)別開(kāi)doawaywith廢除,殺掉onearth究竟,在世上atease自在gointoeffect生效.comeintoeffect;takeeffect開(kāi)始生效place(orput,lay)anemphasison強(qiáng)調(diào) tatone'swit'send黔驢技窮cometoandend(finish)結(jié)束enterfor報(bào)名參加beentitledto有權(quán).??,有資格???beequippedwith裝備有,裝有inessence本質(zhì)katallevents無(wú)論如何atanyrate無(wú)論如何intheeventof(=incaseof)萬(wàn)一withtheexceptionof(apartfrom)除去….,除…以外inexcessof超過(guò)exchange...for以…交換exertoneselftodosth.努力comeintoexistence開(kāi)始存在beyondexpression無(wú)法形容gotoextremes走極端inthetwinklingofaneye一眨眼,轉(zhuǎn)眼間keepfaithwith對(duì)…守信用losefaithin對(duì)…失去信心fallintothehabitof養(yǎng)成…習(xí)慣infashion時(shí)興,流行befedupwith厭煩settheworldonfire非常成功atfirstsight乍一看freeofcharge免費(fèi)furnish...with(supply)向…提供take...forgranted把…認(rèn)為理所當(dāng)然的.onthegroundof(=becauseof)以…為理由beguiltyof有…罪或過(guò)失cometoahalt(stop)停止headfor前往leavefor到…去inone'shonour(inhonourof)祝賀,紀(jì)念onmemoryof為紀(jì)念...onone'shonour以某人的名譽(yù)擔(dān)保beidenticalwith和…相同impose...on把…強(qiáng)加在impress...on給…留下印象inclusiveof把…包括在內(nèi)indicativeof表明,說(shuō)明beinferiorto比.??差superiortobeinnocentof無(wú)罪的intheinterestsof符合…的利益interferein干涉intervenein干預(yù)beinvolvedin卷入bejealousof妒忌(be)keenon喜愛(ài),渴望longforatlarge未被捕,詳盡,普遍leanagainst(背)靠著…inthelightof考慮到,根據(jù)atthemercyof任???擺布,在…支配下makethemostof充分利用nothingbut只有,不過(guò)…而已takenoticeof(payattention)注意objectto反對(duì)objectionto(接動(dòng)名詞)反對(duì)onceinawhile(occasionally)偶爾originatein/from起源于ontheoutskirts(of)在城郊keeppacewith跟…并駕齊驅(qū)takepains盡力partwith分手,舍棄,賣掉participatein(takepartin)參力口besidethepoint離題tothepoint中肯,切題inpractice實(shí)際上,業(yè)務(wù)熟練be(get)outofpractice荒疏,不熟練inthepresenceof在…在場(chǎng)的情況下presideover/at主持(會(huì)議,業(yè)務(wù)等)prevailover占優(yōu)勢(shì),壓倒,戰(zhàn)勝prevent...from使…不,防止…做previousto在?..之前priorto在前takepridein(=prideoneselfon)以...自豪inprogress進(jìn)行中inproportionto與…成比例outofthequestion不可能oulofquestion毫無(wú)疑問(wèn)inquestion所談及的atrandom隨便地,任意地reactto對(duì)…作出反應(yīng)reasonwith(=argue)以理服人referto...as把…稱做…relevantto與…有關(guān)的inrelationto…有關(guān)resortto訴諸于??respondto對(duì)…反應(yīng)restrain...from抑制.restrict…to把..限制于??giveriseto(leadto)引起,導(dǎo)致forthesakeof(forthegoodoradvantageof)為了…起見(jiàn),看在 的份上beforsale待售onsale甩賣scrapethrough(in)勉強(qiáng)通過(guò)inseason旺季forshort為簡(jiǎn)便,筒稱inshort簡(jiǎn)稱beshortof缺乏,不夠takethesideof站在…一邊atthesightof一看見(jiàn)…beinsight看得見(jiàn)outofsight看不見(jiàn)speakillof說(shuō)…的壞話;speakwellof說(shuō)…的好話specializein擅長(zhǎng),專攻onthepot在現(xiàn)場(chǎng),在出事地點(diǎn),立即standagainst反對(duì)standfor支持…stickto粘著,堅(jiān)持submit...to提交besubjectto受支配suspectsb.of疑心某人犯有…onsecondthoughts經(jīng)再三考慮之后betypicalof是…的特點(diǎn)inviewof考慮到beintheway礙事,阻礙intheway對(duì)…方式inaway從某種程度上說(shuō)atthethoughtof想到y(tǒng)ieldto對(duì)…屈服(文套,適用于字?jǐn)?shù)湊不夠的童鞋們…還有實(shí)在不知道自己要寫什么在寫什么的同學(xué)們…)綜合運(yùn)用篇Alongwiththeadvanceofthesocietymoreandmoreproblemsarebroughttoourattention,oneofwhichisthat....隨著社會(huì)的不斷發(fā)展,出現(xiàn)了越來(lái)越多的問(wèn)題,其中之一便是OAstowhetheritisablessingoracurse,however,peopletakedifferentattitudes.然而,對(duì)于此類問(wèn)題,人們持不同的看法。Holddifferentattitudes持不同的看法(觀點(diǎn)、態(tài)度)Comeupwithdifferentattitudes有不同的看法。Associetydevelops,peopleareattachingmuchimportanceto....隨著社會(huì)的發(fā)展,人們開(kāi)始關(guān)注 Peopleareattachingmoreandmoreimportancetotheinterviewduringjobhunting求職的過(guò)程中,人們慢慢意識(shí)到面試的重要性。Astowhetheritisworthwhile thereisalong-runningcontroversialdebate.Itisquitenaturalthatpeoplefromdifferentbackgroundsmayhavedivergentattitudestowardsit.關(guān)于是否值得的問(wèn)題,一直以來(lái)爭(zhēng)論不休。當(dāng)然,不同的人對(duì)此可能持不同的觀點(diǎn)。Intheprocessofmodemurbandevelopment,weoftenfindourselvesinadilemma.在都市的發(fā)展中,我們往往會(huì)陷入困境。Recentlythephenomenonhasarousedwideconcern,somepeopleareinalarmthat....最近,這種現(xiàn)象引起了人們的廣泛關(guān)注,有人開(kāi)始擔(dān)心OThehumanracehasenteredacompletelynewstageinitshistory,withtheincreasinglyrapideconomicglobalizationandurbanization,moreproblemsarebroughttoourattention.人類進(jìn)入了一個(gè)歷史的嶄新的階段,經(jīng)濟(jì)全球化、都市化的速度不斷加快,隨之給我們帶來(lái)了很多問(wèn)題。 playssuchanimportantrolethatitundeniablybecomesthebiggestconcernofthepresentworld,therecomesaquestion,isitablessingoracurse?” 顯得非常重要而成為當(dāng)今世界所關(guān)注的最大的問(wèn)題,這是無(wú)可厚非的。不過(guò),問(wèn)題是:“我們?cè)撊绾尉駬??”Nowweareenteringanewera,fullofopportunitiesandchallenges現(xiàn)在我們正在進(jìn)入一個(gè)充滿機(jī)會(huì)和挑戰(zhàn)的新時(shí)代。展現(xiàn)問(wèn)題篇問(wèn)題的常用詞:question,problem,issueRecently,theissueof hasbeenbroughtintopublicfocus.近來(lái),的問(wèn)題引起了社會(huì)的廣泛關(guān)注。Nowweareenteringabrandnewerafullofopportunitiesandinnovations,andgreatchangeshavetakenplaceinpeople'sattitudetowardssometraditionalpractice.www.Examda.CoM考試就到考試大現(xiàn)在我們進(jìn)入了一個(gè)充滿機(jī)遇和創(chuàng)新的嶄新時(shí)代,很多人對(duì)某些傳統(tǒng)的看法也發(fā)生了很大改變。Recentlytheissueofwhetherornot...hasbeeninthelimelightandhasarousedwideconcerninthepublic.近來(lái),是否的問(wèn)題已經(jīng)非常明確而且引起了社會(huì)的廣泛關(guān)注。Theissuewhetheritisgoodornotto....hasarousedaheateddiscussionalloverthecountry.的利與弊已在全國(guó)范圍內(nèi)引起熱烈的討論。Atpresent,somepeoplethink....whileothersclaim...Bothsideshavetheirmerits.目前,一些人認(rèn)為而另一些人則認(rèn)為o其實(shí),兩種觀點(diǎn)都其可取之處。Peoplerarelyreachanabsoluteconsensusonsuchacontroversialissue.對(duì)于這種極具爭(zhēng)議的話題,我們很難作出絕對(duì)的回答。Peoplefromdifferentbackgroundswouldputdifferentinterpretationsonthesamecase.不同行業(yè)的人對(duì)同一種問(wèn)題的解釋不盡相同。Thecontroversialissueisoftenbroughtintopublicfocus.Peoplefromdifferentbackgroundsholddifferentattitudestowardstheissue.這中極具爭(zhēng)議性的話題往往很受社會(huì)的關(guān)注。不同的人對(duì)此問(wèn)題的看法也不盡相同。Whenasked...?somepeoplethink whilesomeprefer...說(shuō)到,有人認(rèn)為,而另一些人則認(rèn)為。Justasthesayinggoes:"somanypeople,somanyminds".Itisquiteunderstandablethatviewsonthisissuevaryfrompersontoperson.俗話說(shuō),不同的人對(duì)此有不同的看法是可以理解的。Tothisissue,differentpeoplecomeupwithvariousattitudes.對(duì)于這個(gè)問(wèn)題,不同的人持不同的觀點(diǎn)。(就是我們的“俗話說(shuō)”,要能用上肯定感覺(jué)你特地道)四六級(jí)考試作文添彩的句子匯總Timeflies.時(shí)光易逝。Timeismoney.一寸光陰一寸金。Timeandtidewaitfornoman.歲月無(wú)情;歲月易逝;歲月不待人。Timetriesall.時(shí)間檢驗(yàn)一切。Timetriestruth.時(shí)間檢驗(yàn)真理。Timepastcannotbecalledbackagain.光陰一去不復(fù)返。Alltimeisnotimewhenitispast.光陰一去不復(fù)返。Noonecancallbackyesterday;Yesterdaywillnotbecalledagain.昨日不復(fù)來(lái)。Tomorrowcomesnever.切莫依賴明天。Onetodayisworthtwotomorrows.一個(gè)今天勝似兩個(gè)明天。.Themorningsunneverlastsaday.好景不常:朝陽(yáng)不能光照全日。.Christmascomesbutonceayear.圣誕一年只一度。.Pleasanthoursflypast.快樂(lè)時(shí)光去如飛。.Happinesstakesnoaccountoftime.歡娛不惜時(shí)光逝。.Timetamesthestrongestgrief.時(shí)間能緩和極度的悲痛。.Thedayisshortbuttheworkismuch.工作多,光陰迫。.Neverdetertilltomorrowthatwhichyoucandotoday.今日事須今日畢,切勿拖延到明天。.Haveyousomewhattodotomorrow,doittoday.明天如有事,今天就去做。19.1bhimthatdoeseverythinginitspropertime,onedayisworththree.事事及時(shí)做,一日勝三日。0.1bsavetimeistolengthenlife.節(jié)省時(shí)間就是延長(zhǎng)生命。.Everythinghasitstimeandthattimemustbewatched.萬(wàn)物皆有時(shí),時(shí)來(lái)不可失。.Taketimewhentimecometh,lesttimestealaway.時(shí)來(lái)必須要趁時(shí),不然時(shí)去無(wú)聲息。.Whenanopportunityisneglected,itnevercomesbacktoyou.機(jī)不可失,時(shí)不再來(lái);機(jī)會(huì)一過(guò),永不再來(lái)。.Makehaywhilethesunshines.曬草要趁太陽(yáng)好。.Strikewhiletheironishot.趁熱打鐵。.Worktoday,foryouknownothowmuchyoumaybehinderedtomrrow.今朝有事今朝做,明朝可能阻礙多。.Punctualityisthesoulofbusiness.守時(shí)為立業(yè)之要素。.Procrastinationisthethiefoftime.因循拖延是時(shí)間的大敵;拖延就是浪費(fèi)時(shí)間。.Everytidehasitsebb.潮漲必有潮落時(shí)。.Knowledgeispower.知識(shí)就是力量。.Wisdomismoretobeenviedthanriches.知識(shí)可羨,勝于財(cái)富。.Wisdomisbetterthangoldorsilver.知識(shí)勝過(guò)金銀,.Wisdominthemindisbetterthanmoneyinthehand.胸中有知識(shí),勝于手中有錢。.Wisdomisagoodpurchasethoughwepaydearforit.為了求知識(shí),代價(jià)雖高也值得。.Doubtisthekeyofknowledge.懷疑是知識(shí)之鑰。.1fyouwantknowledge,youmusttoilforit.若要求知識(shí),須從勤苦得。.Alittleknowledgeisadangerousthing.淺學(xué)誤人。.Ahandfulofcommonsenseisworthabusheloflearning.少量的常識(shí),當(dāng)?shù)么罅康膶W(xué)問(wèn)。.Knowledgeadvancesbystepsandnotbyleaps.知識(shí)只能循序漸進(jìn),不能躍進(jìn)。.Learnwisdombythefolliesofothers.從旁人的愚行中學(xué)到聰明。Itisgoodtolearnatanotherman'scost.前車可鑒。.Wisdomistothemindwhathealthistothebody.知識(shí)之于精神,一如健康之于肉體。.Experienceisthebestteacher.經(jīng)驗(yàn)是最好的教師。.Experienceisthefatherofwisdomandmemorythemother.經(jīng)驗(yàn)是知識(shí)之父,記憶是知識(shí)之母。.Dexteritycomesbyexperience.熟練來(lái)自經(jīng)驗(yàn)。.Practicemakesperfect.熟能生巧。.Experiencekeepsadearschool,butfoolslearninnoother.經(jīng)驗(yàn)學(xué)校學(xué)費(fèi)高,愚人旁處學(xué)不到。.Experiencewithoutlearningisbetterthanlearningwithoutexperience.有經(jīng)驗(yàn)而無(wú)學(xué)問(wèn),勝于有學(xué)問(wèn)而無(wú)經(jīng)驗(yàn)。.Witonceboughtisworthtwicetaught.由經(jīng)驗(yàn)而得的智慧,勝于學(xué)習(xí)而得的智慧;一次親身的體會(huì),勝過(guò)兩次的教師教導(dǎo)。.Seeingisbelieving.百聞不如?見(jiàn)。51.Businessisthesaltoflife.事業(yè)是生命之鹽。52.Businessbeforepleasure.事業(yè)在先,享樂(lè)在后。53.Businessmakesamanaswellastrieshim.事業(yè)可以考驗(yàn)人,也可以造就人。54.Businessneglectedisbusinesslost.忽視職業(yè)便是放棄職業(yè)。.Neverthinkyourselfabovebusiness.勿自視過(guò)高;不要眼高手低;永遠(yuǎn)不要認(rèn)為自己是大才小用。.Businessmaybetroublesome,butidlenessispernicious.事業(yè)雖擾人,懶惰害更大。.Hethatthinkshisbusinessbelowhimwillalwaysbeabovehisbusiness.自命大才小用,往往眼高手低。.Dobusiness,butbenotaslavetoit.要做事,但不要做事務(wù)的奴隸。.Everybody'sbusinessisnobody'sbusiness.眾人的事就是無(wú)人過(guò)問(wèn)的事。.Workmakestheworkman.勤工出巧匠。.Bettermasteronethanengagewithten.會(huì)十事,不如精一事。.Aworkilldonemustbetwicedone.首次做不好,必須重新搞。.Theywhocannotdoastheywould,mustdoastheycan.不能如愿而行,也須盡力而為。.1fyouwouldhaveathingwelldone,doityourself.想把事情來(lái)做好,就得親自動(dòng)手搞。.Hethatdothmostatoncedothleast.什么都想一次做完,結(jié)果一件也做不完;貪多嚼不爛。.Doasmostmendoandmenwillspeakwellofthee.照大多數(shù)人那樣干,人們會(huì)把你稱贊。.Whatmaybedoneatanytimewillbedoneatnotime.在任何時(shí)候都可做的事情,總是在任何時(shí)候都不做的事情。.Betterlatethannever.遲做總比不做好。.Whateverisworthdoingatallisworthdoingwell.凡是值得做的事,就值得做好。.Theshortestanswerisdoingthething.最簡(jiǎn)短的回答就是一個(gè)“干”字。.Actionistheproperfruitofknowledge.行動(dòng)是知識(shí)之佳果。.Finishedlaboursarepleasant.完成工作是一樂(lè)。.Itislostlabourtosowwherethereisnosoil.沒(méi)有土壤,播種也是徒勞。.Itisrighttoputeverythinginitsproperuse.凡事都應(yīng)用得其所。.Affairsthataredonebyduedegreesaresoonended.按部就班,事情很快就做完。.AllworkandnoplaymakesJackadullboy.只工作,不玩耍,聰明小孩也變傻。.Workbearswitnesswhodoeswell.工作能證明誰(shuí)做的好。.Itisnotworkthatkills,butworry.工作不會(huì)傷身,傷身乃是憂慮。.Hethatwillnotworkshallnoteat.不工作者不得食。.Businessisbusiness.公事公辦。.Deliberateslowly,dopromptly.慢慢酌量,快快行動(dòng)。.Putyourshouldertothewheel.努力工作。.Neverdothingsbyhalves.做事不要半途而廢。.1nforapenny,inforapound.做事一開(kāi)頭,就要做到底;一不做,二不休。.Manyhandsmakequickwork.人多力量大。.Manyhandsmakelightwork.眾擎易舉。.Abadworkmanquarrelswithhistools.技術(shù)拙劣的工人抱怨自己的工具。.Diligenceisthemohterofsuccess.勤奮是成功之母。.Idlenessistherootofallevil.懶惰乃萬(wàn)惡之源。90.Careanddiligencebringluck.謹(jǐn)慎和勤奮帶來(lái)好運(yùn)。91.Diligenceisthemotherofgoodfortune.勤勉是好運(yùn)之母。92.Industryisfortune'srighthand,andfrugalityherleft.勤勉是幸運(yùn)的右手,世儉是幸運(yùn)的左手。93.Idlenessisthekeyofbeggary.懶惰出乞丐。94.Noroot,nofruit.無(wú)根就無(wú)果。Idlepeople(folks)havethemostlabour(takethemostpains).懶人做工作,越懶越費(fèi)力。othisthekeyofpoverty.惰能致貧。othturneththeedgeofwit.懶散能磨去才智的鋒芒。.AnidlebrainisthedeviTsworkshop.懶漢的頭腦是魔鬼的工廠。.ThesecretofwealthliesinthelettersSAVE.節(jié)儉是致富的秘訣。.Anidleyouth,aneedyage.少壯不努力,老大徒傷悲。第一章二、選擇題IC2D3A4D5C6CD7A8A9C10B第二章
二、選擇題IC2A3D4D5B6C7B8BC9DIOC11C 12D 13B14CD15B三、計(jì)算題(1)Pe=6,Q?=20)P0=7,Q0=25第三章二、選擇題1C2B3BC4A5A6B7A8C9C10D11B12B13A14D15D三、計(jì)算題(1)ed=3/2ed=2/3(3)與(2)的結(jié)果相同(1)預(yù)計(jì)銷售量為99.2萬(wàn)個(gè)單位(2)價(jià)格應(yīng)下調(diào)20.83%ed=1汽油價(jià)格應(yīng)上漲0.8美元第四章二、選擇題ID2C3BC4C5D6DID2C3BC4C5D6D三、計(jì)算題解:由Q=10-2P,可知:P=???消費(fèi)者剩余為:=[5Q-]=9再, 消費(fèi)者剩余為:=[5Q-]=1解:由再由:可知:X=10Y=50(1)X=1/2PXY=1/2PVX=250Y=50(3)由于參加工會(huì)后獲得的總效用大于參加工會(huì)前,所以應(yīng)參加工會(huì)。(1)每周買12盎司花生奶油,24盎司果凍(2)果凍價(jià)格上漲后,每周買60/7盎司花生奶油,120/7盎司果凍(1)由:即50X+10Y=2500可知:Y=Y=Y=四、分析題2.所謂水和鉆石的“價(jià)值悖論”是指:鉆石用處極小而價(jià)格昂貴,生命必不可少的水卻非常便宜,后者的價(jià)格常常不及前者的萬(wàn)分之一。水對(duì)人類的重要性的確遠(yuǎn)大于鉆石,人們從水的消費(fèi)中所得到的總效用TU也大于鉆石。但是,水的價(jià)格并不是由水的總效用TU的大小來(lái)決定的,而是由最后一單位水的邊際效用MU決定的。由于水資源相對(duì)充足,人們從最后一單位水中得到的邊際效用很小,人們只愿意付非常低的價(jià)格。相反,鉆石是很稀缺的,因此它的邊際效用MU很高,價(jià)格自然就昂貴多了。顯然,運(yùn)用總效用與邊際效用的概念,可以十分清晰地解釋水和鉆石的價(jià)值悖論之謎。第五章二、選擇題1BD2A3A4D5A6D7D8B9C10A三、計(jì)算題(1)完整的產(chǎn)量表如下:可變要素的數(shù)量(L) 總產(chǎn)量(TP)平均產(chǎn)量(AP) 邊際產(chǎn)量(MP)2 2324812448122456012126661167701048708.7509637—7(2)該生產(chǎn)函數(shù)表現(xiàn)出的邊際報(bào)酬遞減是從第4單位的可變要素投入量開(kāi)始的。(1)APl最大時(shí),需雇傭30工人MR最大時(shí),需雇傭20工人(1)企業(yè)的最優(yōu)投入量L=10,K=40(2)最大產(chǎn)量Q=1950企業(yè)的最優(yōu)投入量L=2.8,K=1.4解:(1)由和K=10可知:短期生產(chǎn)中分別是:=0,L=20時(shí),為最大,為最大,L=0時(shí),MP為最大。
(2)L=800K=800C=2400第八早二、選擇題IB 2B3D4C5A6BD7C8B9B10B11A 12A13D14C15C16B17A18C19D20B三、計(jì)算題.解:(1)可變成本不變成本(2).解:第七章-、選擇題ID 2C3C4D5CD6AD7A8B9A 10B11B12C13D14B6.(1)L=1000K=1000Q=1000三、計(jì)算題(1)由:可得:Q=20=790元(2)廠商停產(chǎn)條件為:**?(3)由P=MC可知廠商的短期生產(chǎn)函數(shù)為2.解:(1)由可知:MR=P=100MR=LMC,Q=10當(dāng)Q=10時(shí),(2)由令Q=6即為該行業(yè)長(zhǎng)期均衡時(shí)的價(jià)格.Q=6為單個(gè)廠商的產(chǎn)量.Q=600為該行業(yè)的總銷售量.所以長(zhǎng)期均衡時(shí),該行業(yè)有廠商數(shù)為(家)第八章-、選擇題ID2B3AC4ACD5ABC6A7C8B9ABC10A 11C 12D 13D 14A 15B二、計(jì)算題.在完全競(jìng)爭(zhēng)行業(yè)中,某廠商的成本函數(shù)為STC=Q3-6Q2+30Q+40,假設(shè)產(chǎn)品價(jià)格為66元時(shí),求:(1)廠商利潤(rùn)最大時(shí)的產(chǎn)量和利潤(rùn)總額。(2)由于市場(chǎng)供求發(fā)生變化,由此決定的新價(jià)格為30元,在新的價(jià)格下,廠商是否會(huì)發(fā)生虧損?如果會(huì),最小的虧損額是多少?解:(1)MC=3Q2-12Q+30根據(jù):P=MC66=3Q2-12Q+30解得:Q=6“=TR-TC=6*66-(6-6*62+30*6+30)=176(元)2)P=30元時(shí)再根據(jù):P=MC30=3Q-12Q+30解得:Q=4ji=TR-TC6*66-(4-6*42+30*4+30)=-8ji=TR-TC可見(jiàn),P=30元時(shí),廠商會(huì)發(fā)生虧損,最小的虧損額是8元。第九章二、應(yīng)計(jì)入GDP的有:3)(6)三、除(2)(7)屬于中間消耗外,其余均屬于最終需求。四、選擇題1AD2A3A4C5B6D7B8C9A10C 11C 12A 13A 14D 15B五、計(jì)算題.GDP=350+300=650美元.解:(1)支出法???在整個(gè)生產(chǎn)過(guò)程中項(xiàng)鏈?zhǔn)亲罱K產(chǎn)品,并且其售價(jià)為40萬(wàn)元GDP=40萬(wàn)元(2)增值法GDP=開(kāi)礦階段生產(chǎn)增加值+銀器制造階段生產(chǎn)增加值=10+30=40萬(wàn)元(3)收入法GDP=工資+利潤(rùn)=(7.5+5)+(2.5+25)=40萬(wàn)元可見(jiàn),用支出法、增值法和收入法核算得到的GDP是相同的。.解:(1)儲(chǔ)蓄:S=DPI-C=4100-3800=300(萬(wàn)元)(2)根據(jù)C+I+G+(X-M)=C+S+T投資:I=S+T-G-(X-M)=300-200+100=200(萬(wàn)元)(3)根據(jù)GDP
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