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warn
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阿基米德数Ar是决定射流弯曲程度的主要因数则在冷射流时
Ar<1
Ar>0
Ar=1
Ar<0
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已知某煤的元素分析数据如下Car=60%Har=3%Oar=5%Nar=1%Sar=1%Aar=20
HalfwaythroughyourwalktoschoolawildPikachuappears.
优级纯分析纯化学纯试剂的代号依次为
GR、AR、CP
AR、GR、CP
CP、GR、AR
GR、CP、AR
AR、CP、GR
在完全竞争市场厂商短期内继续生产的条件是
AC =AR
AVC〈AR 或AVC=AR
AVC〉AR 或AVC=AR
MC=MR
下列程序执行的输出结果是#include<stdio.h>mainchara[2][4];strcp
;
A) ar
熔化极惰性气体保护焊富氨保护气体组成一般有
Ar+02
Ar+CO2
Ar+CO2+02
Ar+CO2+02
Ar+He
smartA.warnB.guitarC.quarterD.towards
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下面程序执行后的输出结果为publicclassfun{publicstaticvoidmainSt
How
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how ate you!
企业获得超额利润的短期均衡条件是
AR=AC
AR>AC
AR<AC
AR≤AC
AR46有哪个型号提供双主控板
AR46-80
AR46-40
AR46-20
都不提供
各种试剂按纯度从高到低的代号顺序是
GR>AR>CP
GR>CP>AR
AR>CP>GR
CP>AR>GR
AR>GR>CP
某链条炉排锅炉所用燃煤的收到基元素分析成分如下Car=54.7%Har=0.78%Oar=2.23%
5.25
5.19
4.05
5.03
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在完全竞争市场厂商短期内继续生产的条件是
AC=AR
AVC〈AR 或 AVC=AR
AVC〉 AR 或 AVC=AR
MC=MR
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PassageThree Spaceisadangerousplacenotonlybecauseofmeteorsbutalsobecauseofraysfromthesunandotherstars.Theatmosphereagainactsasourprotectiveblanketonearth.Lightgetsthroughandthisisessentialforplantstomakethefoodwhichweeat.Heattoomakesourenvironmentendurable.Variouskindsofrayscomethroughtheairfromouterspacebutenormousquantitiesofradiationfromthesunarescreenedoff.Assoonasmenleavetheatmospheretheyareexposedtothisradiationbuttheirspacesuitsorthewallsoftheirspacecraftiftheyareinsidedopreventalotofradiationdamage. Radiationisthegreatestknowndangertoexplorersinspace.Theunitofradiationiscalled"rem".Scientistshavereasontothinkthatamancanputupwithfarmoreradiationthan0.1reamwithoutbeingdamaged;thefigureof60remshasbeenagreedon.Thetroubleisthatitisextremelydifficulttobesureaboutradiationdamage--apersonmayfeelperfectlywellbutthecellsofhisorhersexorgansmaybedamagedandthiswillnotbediscovereduntilthebirthofdeformed畸形的childrenorevengrandchildren.MissionsoftheApolloflightshavehadtocrossbeltsofhighradiationandduringtheoutwardandreturnjourneystheApollocrewaccumulatedalargeamountofreams.SofarnodangerousamountsofradiationhavebeenreportedbuttheApollomissionshavebeenquiteshort.Wesimplydonotknowyethowmenaregoingtogetonwhentheyspendweeksandmonthsoutsidetheprotectionoftheatmosphereworkinginaspacelaboratory.Drugsmighthelptodecreasethedamagedonebyradiationbutnoreallyeffectiveoneshavebeenfoundsofar. TheharmradiationhasdonetotheApollocrewmembers
A.autumn B.difficulty C.flute D.suppose
A.Iwasheldupbythetrafficjam. B.That’sagoodprice. C.Ithinkso. D.Ifyourunyoumightcatchit. E.Thankyouverymuch. F.Nobodylikethis. G.Yeshewill. H.Idosomejoggingeverymorning: Jack:DoyouthinkBobwillgethereontimeTom:____________
PassageFive Auctions拍卖arepublicsalesofgoodsconductedbyanofficiallyapprovedauctioneer.Heasksthecrowdassembledintheauctionroomtomakeoffersor"bids"forthevariousitemsonsale.Heencouragesbuyerstobidhigherfiguresandfinallynamesthehighestbidderasthebuyerofgoods.Thisiscalled"knockingdown"thegoodsforthebiddingendswhentheauctioneerbangsasmallhammeronatableatwhichhestandsThisisoftensetonaraisedplatformcalledarostrum. TheancientRomansprobablyinventedsalesbyauctionandtheEnglishwordcomesfromtheLatinauctionmeaning"increase".TheRomansusuallysoldinthiswaythespoilstakeninwar;thesesaleswerecalled"subusta"meaning"underthespear"aspearbeingstuckinthegroundasasignalforacrowdtogather.Intheeighteenthandnineteenthcenturiesgoodswereoftensoldbythecandle’ashortcandlewaslitbytheauctioneer;andbidscouldbemadewhileitstayedalight. Anauctionisusuallyadvertisedbeforehandwithfullparticularsofthearticlestobesoldandwhereandwhentheycanbeviewedbypossiblebuyers.Iftheadvertisementcannotgivefulldetailscataloguesareprintedandeachgroupofgoodstobesoldtogethercalleda"lot"isusuallygivenanumber.Theauctioneerneednotbeginwithlot1andcontinueinnumericalorder;hemaywaituntilheregistersthefactthatcertaindealersareintheroomandthenproducethelotstheyarelikelytobeinterestedin.Theauctioneer’sservicesarepaidforintheformofapercentageofthepricethegoodsaresoldfor.Theauctioneerthereforehasadirectinterestinpushingupthebiddingashighaspossible. Practicalyallgoodswhosequalitiesvaryaresoldbyauction.Amongthesearecoffeehiderskinswoolteacocoafursspicesfruitandvegetablesandwines.Auctionsalesarealsousualforlandandpropertyantiquefurniturepicturesrarebooksoldchinaandsimilarworksofart.Theauction-roomsatChristie’sandSotheby’sinLondonandNewYorkareworldfamous. TheauctioneermaydecidetoselltheLotsoutoforderbecause
A.water B.term C.flower D.exercise
PassageFour WhenIbeganreadingCatch-22IthoughtitwasafarcicalsatireonlifeintheUnitedStatesArmyAirForce.LaterIbelievedthatMr.Heller’stargetwasmodernwarandallthosewhoareresponsibleforwagingit.Stilllateritseemedthathewasattackingsocialorganizationandanyonewhoderivespowerfromit.Butbytheendofthebookithadbecomeplaintomethatitis——nootherphrasewilldo——thehumanconditionitselfwhichistheobjectofMr.Heller’soutragedfuryanddisgust. Areviewermustalwayskeepananxiouseyeonthestateofhiscurrency.Ifheannouncestoomanymasterpiecesherisksinflationthoughitissometimesforgottenbysomeofusthatthecowardiceofperpetualcrabbing挑剔receivesitsownkindofpunishment.ItdoesnotseemmanyweekssinceIwasproclaimingthatMalcolmLowry’sUndertheVolcanoisoneofthegreatEnglishnovelsofthecentury;andnotlongbeforethatIwasurgingthatattentionshouldbepaidtothemagnificentandneglectedtalentofWilliamGerhardi. ButattheriskofinflationIcannothelpwritingthatCatch-22isthegreatestsatiricalworkinEnglishsinceErewhon.Forthefactisthatallmysuccessiveinterpretationsofthisbooknowseemtohavebeenaccurateeveniftheearlieroneswerealsoincomplete.Thebookhasanimmenseanddevastating讽刺的themebutthisthemeisillustratedasitshouldbebymeansofanobservedreality. IamnotsuggestingthatCatch-22isarealisticaccountoflifeinthewartimeAirForceofAmericaoranyothercountry.Themethodofsatireistoinflate放大realitysothatallitspartiallyconcealedblemishes缺点turnintomonstrousandapparentdeformations.Theeffectofgoodsatireistomakeuslaughwithhorror.Andthismeansthatsocialandpersonalevilswhicharebeingsatirizedmusthavebeenthereandmustbefeltbythereadertobethereevenwhilebeislaughingattheresultsofthesatirist’sinflatingimagination. Thepassageseemstobefrom
Theconferencewasorganizedforallthe______inthecity
A.blood B.loose C.choose D.mood
Shedidn'tlike______atthepoorman.
A.Iwasheldupbythetrafficjam. B.That’sagoodprice. C.Ithinkso. D.Ifyourunyoumightcatchit. E.Thankyouverymuch. F.Nobodylikethis. G.Yeshewill. H.Idosomejoggingeverymorning: Boss:WherehaveyoubeenIt’seightO’clocknow.Rose:I’msorry.____________
PassageTwo InonlytwodecadesAsianAmericanshavebecomethefastestgrowingtheU.S.minority.Astheirchildrenbeganmovingupthroughthenation’sschoolsitbecameclearthatanewclassofacademicachieverswasemerging.Theirachievementsarereflectedinthenation’sbestuniversitieswheremathematicsscienceandengineeringdepartmentshavetakenonadecidedlyAsiancharacter.ThisspeciallikingformathematicsandscienceispartlyexplainedbythefactthatAsian-AmericanstudentswhobegantheireducationsabroadarrivedintheU.S.withasolidgroundinginmathematicsbutlittleornoknowledgeofEnglish.Theyarealsoinfluencedbythepromiseofagoodjobaftercollege.Asiansfeeltheywillbejudgedmoreobjectively.Andthereturnontheinvestmentineducationismoreimmediateinsomethinglikeengineeringthanwithanartsdegree. MostAsian-AmericanstudentsowetheirsuccesstotheinfluenceofparentswhoaredeterminedthattheirchildrentakefulladvantageofwhattheAmericaneducationalsystemhastooffer.Aneffectivemeasureofparentalattentionishomework.AsianparentsspendmoretimewiththeirchildrenthanAmericanparentsdoandithelps.ManyresearchersalsobelievethereissomethinginAsianculturethatbreedssuccesssuchasidealsthatstressfamilyvaluesandemphasizeeducation. BothexplanationsforacademicsuccessworryAsianAmericansbecauseoffearsthattheyfeedatypicalracialimage.ManycanrememberwhenChineseJapaneseandFilipinoimmigrantswerethevictimsofsocialisolation.Indeeditwasnotuntil1952thatlawswerelaiddowngivingallAsianimmigrantstherighttocitizenship. WhydothetwoexplanationsLine1ParA.3worryAsianAmericans
PassageThree Spaceisadangerousplacenotonlybecauseofmeteorsbutalsobecauseofraysfromthesunandotherstars.Theatmosphereagainactsasourprotectiveblanketonearth.Lightgetsthroughandthisisessentialforplantstomakethefoodwhichweeat.Heattoomakesourenvironmentendurable.Variouskindsofrayscomethroughtheairfromouterspacebutenormousquantitiesofradiationfromthesunarescreenedoff.Assoonasmenleavetheatmospheretheyareexposedtothisradiationbuttheirspacesuitsorthewallsoftheirspacecraftiftheyareinsidedopreventalotofradiationdamage. Radiationisthegreatestknowndangertoexplorersinspace.Theunitofradiationiscalled"rem".Scientistshavereasontothinkthatamancanputupwithfarmoreradiationthan0.1reamwithoutbeingdamaged;thefigureof60remshasbeenagreedon.Thetroubleisthatitisextremelydifficulttobesureaboutradiationdamage--apersonmayfeelperfectlywellbutthecellsofhisorhersexorgansmaybedamagedandthiswillnotbediscovereduntilthebirthofdeformed畸形的childrenorevengrandchildren.MissionsoftheApolloflightshavehadtocrossbeltsofhighradiationandduringtheoutwardandreturnjourneystheApollocrewaccumulatedalargeamountofreams.SofarnodangerousamountsofradiationhavebeenreportedbuttheApollomissionshavebeenquiteshort.Wesimplydonotknowyethowmenaregoingtogetonwhentheyspendweeksandmonthsoutsidetheprotectionoftheatmosphereworkinginaspacelaboratory.Drugsmighthelptodecreasethedamagedonebyradiationbutnoreallyeffectiveoneshavebeenfoundsofar. Itcanbeinferredfromthepassagethat
A.Iwasheldupbythetrafficjam. B.That’sagoodprice. C.Ithinkso. D.Ifyourunyoumightcatchit. E.Thankyouverymuch. F.Nobodylikethis. G.Yeshewill. H.Idosomejoggingeverymorning: Hoe:WhatdoyoudoforexerciseDavid:____________
Ithinkhehardlymakesspellingmistakes______
PassageOne "Arollingstonegathersnomoss苔藓"butthereisonelivinganimalthatdoesgathermossthethree-toedsloth树獭ofSouthAmerica.Thisslowest-movingmemberoftheanimalkingdomissoinactivethatmossactuallygathersonitsbodyandturnsitgreenstrangeasitseems! Mostofthesloth’slifeisspentmotionlesshangingupsidedownfromalimb.Andthatisthewayitshairgrows.Longandcoarsethestrands串fromreceptacles花托forthedampjunglealgae水藻thatturnthebrownfuramossygreen.Actuallythismosshelpstheanimalsurvivebecauseitservesasaper-fectcamouflageagainsttheleaftreesandhidestheslothfromthejungle’sswift-movinghunters.Theslothwouldhavelittlechanceofsurvivalontheground.Withlongcurvedclawshookedoverthelimbofaleafytreeitspendsthelonghothoursduringthedaydrowsingandeating.InchbyinchitstripstheleafylimbsbareandcrawlsSlowlydownthetrunktofindanewdiningspotbutonlyatnight. Inadditiontolookingratherlikeavegetabletheslothisastrictvegetarian.Runningoutofitsfavoriteleafisabouttheonlythingthatwillmakeaslothmove.Thenitsappetitemayevenforcetheanimalintoswimmingastreamtoreachajuicysucculent多汁的值物.Itwillalsoforceitintofightingtokeepthetreealltoitself.Theslothislazyandpreferstobealonebutitwilltolerateitsownrelatives! Theauthor'spurposeinwritingthepassageis
PassageFour WhenIbeganreadingCatch-22IthoughtitwasafarcicalsatireonlifeintheUnitedStatesArmyAirForce.LaterIbelievedthatMr.Heller’stargetwasmodernwarandallthosewhoareresponsibleforwagingit.Stilllateritseemedthathewasattackingsocialorganizationandanyonewhoderivespowerfromit.Butbytheendofthebookithadbecomeplaintomethatitis——nootherphrasewilldo——thehumanconditionitselfwhichistheobjectofMr.Heller’soutragedfuryanddisgust. Areviewermustalwayskeepananxiouseyeonthestateofhiscurrency.Ifheannouncestoomanymasterpiecesherisksinflationthoughitissometimesforgottenbysomeofusthatthecowardiceofperpetualcrabbing挑剔receivesitsownkindofpunishment.ItdoesnotseemmanyweekssinceIwasproclaimingthatMalcolmLowry’sUndertheVolcanoisoneofthegreatEnglishnovelsofthecentury;andnotlongbeforethatIwasurgingthatattentionshouldbepaidtothemagnificentandneglectedtalentofWilliamGerhardi. ButattheriskofinflationIcannothelpwritingthatCatch-22isthegreatestsatiricalworkinEnglishsinceErewhon.Forthefactisthatallmysuccessiveinterpretationsofthisbooknowseemtohavebeenaccurateeveniftheearlieroneswerealsoincomplete.Thebookhasanimmenseanddevastating讽刺的themebutthisthemeisillustratedasitshouldbebymeansofanobservedreality. IamnotsuggestingthatCatch-22isarealisticaccountoflifeinthewartimeAirForceofAmericaoranyothercountry.Themethodofsatireistoinflate放大realitysothatallitspartiallyconcealedblemishes缺点turnintomonstrousandapparentdeformations.Theeffectofgoodsatireistomakeuslaughwithhorror.Andthismeansthatsocialandpersonalevilswhicharebeingsatirizedmusthavebeenthereandmustbefeltbythereadertobethereevenwhilebeislaughingattheresultsofthesatirist’sinflatingimagination. ThewritersuggeststhatCatch-22is
Thequestions______inEnglish.
PassageTwo InonlytwodecadesAsianAmericanshavebecomethefastestgrowingtheU.S.minority.Astheirchildrenbeganmovingupthroughthenation’sschoolsitbecameclearthatanewclassofacademicachieverswasemerging.Theirachievementsarereflectedinthenation’sbestuniversitieswheremathematicsscienceandengineeringdepartmentshavetakenonadecidedlyAsiancharacter.ThisspeciallikingformathematicsandscienceispartlyexplainedbythefactthatAsian-AmericanstudentswhobegantheireducationsabroadarrivedintheU.S.withasolidgroundinginmathematicsbutlittleornoknowledgeofEnglish.Theyarealsoinfluencedbythepromiseofagoodjobaftercollege.Asiansfeeltheywillbejudgedmoreobjectively.Andthereturnontheinvestmentineducationismoreimmediateinsomethinglikeengineeringthanwithanartsdegree. MostAsian-AmericanstudentsowetheirsuccesstotheinfluenceofparentswhoaredeterminedthattheirchildrentakefulladvantageofwhattheAmericaneducationalsystemhastooffer.Aneffectivemeasureofparentalattentionishomework.AsianparentsspendmoretimewiththeirchildrenthanAmericanparentsdoandithelps.ManyresearchersalsobelievethereissomethinginAsianculturethatbreedssuccesssuchasidealsthatstressfamilyvaluesandemphasizeeducation. BothexplanationsforacademicsuccessworryAsianAmericansbecauseoffearsthattheyfeedatypicalracialimage.ManycanrememberwhenChineseJapaneseandFilipinoimmigrantswerethevictimsofsocialisolation.Indeeditwasnotuntil1952thatlawswerelaiddowngivingallAsianimmigrantstherighttocitizenship. FewAsian-Americanstudentsmajorinhumansciencesmainlybecause
Apetisananimalthat21inyourhouse.OverhalfthefamiliesinNorthAmericaownpets.Themostpopular22aredogsfishandbirds.Rabbitshamstersandturtlesarealsopopular.Evensomeunpopularanimalssuchasfrogsmiceandsnakesarepets. Peoplefirst23tokeeppetsabout12000yearsago.Thefirstpetwasadog.Thedogdidnotbecomeapetbecausepeople24itwascute.Itbecameapetbecauseitwasuseful.Peopleusedthedogformanythings.Thedogwarnedpeople25dangersowildanimalsdidn’tattackpeople.Italsoateleft-overfood.Laterdogshelpedpeopletakecare26cowsandsheeponfarms. Catsdidnot27petsforalongtime.WhentheEgyptiansfirststartedtogrowgrainmiceateit.TheEgyptianswere28totamecats. Todaypeoplekeepmany29ofpets.Animalssuchascanariesparrotsmiceandhamstersliveincages.Theyneedpeopletobringthemfoodandwaterandtokeeptheircagesclean.Otheranimalssuchasdogsandcatsneedfoodandwaterbuttheycantakecareofthemselves30.Theyaregoodpetsforpeoplebecausetheydon’tneedmuchcare. 27
Apetisananimalthat21inyourhouse.OverhalfthefamiliesinNorthAmericaownpets.Themostpopular22aredogsfishandbirds.Rabbitshamstersandturtlesarealsopopular.Evensomeunpopularanimalssuchasfrogsmiceandsnakesarepets. Peoplefirst23tokeeppetsabout12000yearsago.Thefirstpetwasadog.Thedogdidnotbecomeapetbecausepeople24itwascute.Itbecameapetbecauseitwasuseful.Peopleusedthedogformanythings.Thedogwarnedpeople25dangersowildanimalsdidn’tattackpeople.Italsoateleft-overfood.Laterdogshelpedpeopletakecare26cowsandsheeponfarms. Catsdidnot27petsforalongtime.WhentheEgyptiansfirststartedtogrowgrainmiceateit.TheEgyptianswere28totamecats. Todaypeoplekeepmany29ofpets.Animalssuchascanariesparrotsmiceandhamstersliveincages.Theyneedpeopletobringthemfoodandwaterandtokeeptheircagesclean.Otheranimalssuchasdogsandcatsneedfoodandwaterbuttheycantakecareofthemselves30.Theyaregoodpetsforpeoplebecausetheydon’tneedmuchcare. 23
Shedidn'tknow______.
Don'tsmokeuntiltheplane______off.
Apetisananimalthat21inyourhouse.OverhalfthefamiliesinNorthAmericaownpets.Themostpopular22aredogsfishandbirds.Rabbitshamstersandturtlesarealsopopular.Evensomeunpopularanimalssuchasfrogsmiceandsnakesarepets. Peoplefirst23tokeeppetsabout12000yearsago.Thefirstpetwasadog.Thedogdidnotbecomeapetbecausepeople24itwascute.Itbecameapetbecauseitwasuseful.Peopleusedthedogformanythings.Thedogwarnedpeople25dangersowildanimalsdidn’tattackpeople.Italsoateleft-overfood.Laterdogshelpedpeopletakecare26cowsandsheeponfarms. Catsdidnot27petsforalongtime.WhentheEgyptiansfirststartedtogrowgrainmiceateit.TheEgyptianswere28totamecats. Todaypeoplekeepmany29ofpets.Animalssuchascanariesparrotsmiceandhamstersliveincages.Theyneedpeopletobringthemfoodandwaterandtokeeptheircagesclean.Otheranimalssuchasdogsandcatsneedfoodandwaterbuttheycantakecareofthemselves30.Theyaregoodpetsforpeoplebecausetheydon’tneedmuchcare. 29
______informationitis!Justputitintothecomputer.
Apetisananimalthat21inyourhouse.OverhalfthefamiliesinNorthAmericaownpets.Themostpopular22aredogsfishandbirds.Rabbitshamstersandturtlesarealsopopular.Evensomeunpopularanimalssuchasfrogsmiceandsnakesarepets. Peoplefirst23tokeeppetsabout12000yearsago.Thefirstpetwasadog.Thedogdidnotbecomeapetbecausepeople24itwascute.Itbecameapetbecauseitwasuseful.Peopleusedthedogformanythings.Thedogwarnedpeople25dangersowildanimalsdidn’tattackpeople.Italsoateleft-overfood.Laterdogshelpedpeopletakecare26cowsandsheeponfarms. Catsdidnot27petsforalongtime.WhentheEgyptiansfirststartedtogrowgrainmiceateit.TheEgyptianswere28totamecats. Todaypeoplekeepmany29ofpets.Animalssuchascanariesparrotsmiceandhamstersliveincages.Theyneedpeopletobringthemfoodandwaterandtokeeptheircagesclean.Otheranimalssuchasdogsandcatsneedfoodandwaterbuttheycantakecareofthemselves30.Theyaregoodpetsforpeoplebecausetheydon’tneedmuchcare. 21
Apetisananimalthat21inyourhouse.OverhalfthefamiliesinNorthAmericaownpets.Themostpopular22aredogsfishandbirds.Rabbitshamstersandturtlesarealsopopular.Evensomeunpopularanimalssuchasfrogsmiceandsnakesarepets. Peoplefirst23tokeeppetsabout12000yearsago.Thefirstpetwasadog.Thedogdidnotbecomeapetbecausepeople24itwascute.Itbecameapetbecauseitwasuseful.Peopleusedthedogformanythings.Thedogwarnedpeople25dangersowildanimalsdidn’tattackpeople.Italsoateleft-overfood.Laterdogshelpedpeopletakecare26cowsandsheeponfarms. Catsdidnot27petsforalongtime.WhentheEgyptiansfirststartedtogrowgrainmiceateit.TheEgyptianswere28totamecats. Todaypeoplekeepmany29ofpets.Animalssuchascanariesparrotsmiceandhamstersliveincages.Theyneedpeopletobringthemfoodandwaterandtokeeptheircagesclean.Otheranimalssuchasdogsandcatsneedfoodandwaterbuttheycantakecareofthemselves30.Theyaregoodpetsforpeoplebecausetheydon’tneedmuchcare. 25
PassageFive Auctions拍卖arepublicsalesofgoodsconductedbyanofficiallyapprovedauctioneer.Heasksthecrowdassembledintheauctionroomtomakeoffersor"bids"forthevariousitemsonsale.Heencouragesbuyerstobidhigherfiguresandfinallynamesthehighestbidderasthebuyerofgoods.Thisiscalled"knockingdown"thegoodsforthebiddingendswhentheauctioneerbangsasmallhammeronatableatwhichhestandsThisisoftensetonaraisedplatformcalledarostrum. TheancientRomansprobablyinventedsalesbyauctionandtheEnglishwordcomesfromtheLatinauctionmeaning"increase".TheRomansusuallysoldinthiswaythespoilstakeninwar;thesesaleswerecalled"subusta"meaning"underthespear"aspearbeingstuckinthegroundasasignalforacrowdtogather.Intheeighteenthandnineteenthcenturiesgoodswereoftensoldbythecandle’ashortcandlewaslitbytheauctioneer;andbidscouldbemadewhileitstayedalight. Anauctionisusuallyadvertisedbeforehandwithfullparticularsofthearticlestobesoldandwhereandwhentheycanbeviewedbypossiblebuyers.Iftheadvertisementcannotgivefulldetailscataloguesareprintedandeachgroupofgoodstobesoldtogethercalleda"lot"isusuallygivenanumber.Theauctioneerneednotbeginwithlot1andcontinueinnumericalorder;hemaywaituntilheregistersthefactthatcertaindealersareintheroomandthenproducethelotstheyarelikelytobeinterestedin.Theauctioneer’sservicesarepaidforintheformofapercentageofthepricethegoodsaresoldfor.Theauctioneerthereforehasadirectinterestinpushingupthebiddingashighaspossible. Practicalyallgoodswhosequalitiesvaryaresoldbyauction.Amongthesearecoffeehiderskinswoolteacocoafursspicesfruitandvegetablesandwines.Auctionsalesarealsousualforlandandpropertyantiquefurniturepicturesrarebooksoldchinaandsimilarworksofart.Theauction-roomsatChristie’sandSotheby’sinLondonandNewYorkareworldfamous. Acandleusedtoburnatauctionsales
PassageOne "Arollingstonegathersnomoss苔藓"butthereisonelivinganimalthatdoesgathermossthethree-toedsloth树獭ofSouthAmerica.Thisslowest-movingmemberoftheanimalkingdomissoinactivethatmossactuallygathersonitsbodyandturnsitgreenstrangeasitseems! Mostofthesloth’slifeisspentmotionlesshangingupsidedownfromalimb.Andthatisthewayitshairgrows.Longandcoarsethestrands串fromreceptacles花托forthedampjunglealgae水藻thatturnthebrownfuramossygreen.Actuallythismosshelpstheanimalsurvivebecauseitservesasaper-fectcamouflageagainsttheleaftreesandhidestheslothfromthejungle’sswift-movinghunters.Theslothwouldhavelittlechanceofsurvivalontheground.Withlongcurvedclawshookedoverthelimbofaleafytreeitspendsthelonghothoursduringthedaydrowsingandeating.InchbyinchitstripstheleafylimbsbareandcrawlsSlowlydownthetrunktofindanewdiningspotbutonlyatnight. Inadditiontolookingratherlikeavegetabletheslothisastrictvegetarian.Runningoutofitsfavoriteleafisabouttheonlythingthatwillmakeaslothmove.Thenitsappetitemayevenforcetheanimalintoswimmingastreamtoreachajuicysucculent多汁的值物.Itwillalsoforceitintofightingtokeepthetreealltoitself.Theslothislazyandpreferstobealonebutitwilltolerateitsownrelatives! Asuitabletitleforthispassagemightbe
PassageTwo InonlytwodecadesAsianAmericanshavebecomethefastestgrowingtheU.S.minority.Astheirchildrenbeganmovingupthroughthenation’sschoolsitbecameclearthatanewclassofacademicachieverswasemerging.Theirachievementsarereflectedinthenation’sbestuniversitieswheremathematicsscienceandengineeringdepartmentshavetakenonadecidedlyAsiancharacter.ThisspeciallikingformathematicsandscienceispartlyexplainedbythefactthatAsian-AmericanstudentswhobegantheireducationsabroadarrivedintheU.S.withasolidgroundinginmathematicsbutlittleornoknowledgeofEnglish.Theyarealsoinfluencedbythepromiseofagoodjobaftercollege.Asiansfeeltheywillbejudgedmoreobjectively.Andthereturnontheinvestmentineducationismoreimmediateinsomethinglikeengineeringthanwithanartsdegree. MostAsian-AmericanstudentsowetheirsuccesstotheinfluenceofparentswhoaredeterminedthattheirchildrentakefulladvantageofwhattheAmericaneducationalsystemhastooffer.Aneffectivemeasureofparentalattentionishomework.AsianparentsspendmoretimewiththeirchildrenthanAmericanparentsdoandithelps.ManyresearchersalsobelievethereissomethinginAsianculturethatbreedssuccesssuchasidealsthatstressfamilyvaluesandemphasizeeducation. BothexplanationsforacademicsuccessworryAsianAmericansbecauseoffearsthattheyfeedatypicalracialimage.ManycanrememberwhenChineseJapaneseandFilipinoimmigrantswerethevictimsofsocialisolation.Indeeditwasnotuntil1952thatlawswerelaiddowngivingallAsianimmigrantstherighttocitizenship. WhatarethemajorfactorsthatdeterminethesuccessofAsianAmericans
PassageFour WhenIbeganreadingCatch-22IthoughtitwasafarcicalsatireonlifeintheUnitedStatesArmyAirForce.LaterIbelievedthatMr.Heller’stargetwasmodernwarandallthosewhoareresponsibleforwagingit.Stilllateritseemedthathewasattackingsocialorganizationandanyonewhoderivespowerfromit.Butbytheendofthebookithadbecomeplaintomethatitis——nootherphrasewilldo——thehumanconditionitselfwhichistheobjectofMr.Heller’soutragedfuryanddisgust. Areviewermustalwayskeepananxiouseyeonthestateofhiscurrency.Ifheannouncestoomanymasterpiecesherisksinflationthoughitissometimesforgottenbysomeofusthatthecowardiceofperpetualcrabbing挑剔receivesitsownkindofpunishment.ItdoesnotseemmanyweekssinceIwasproclaimingthatMalcolmLowry’sUndertheVolcanoisoneofthegreatEnglishnovelsofthecentury;andnotlongbeforethatIwasurgingthatattentionshouldbepaidtothemagnificentandneglectedtalentofWilliamGerhardi. ButattheriskofinflationIcannothelpwritingthatCatch-22isthegreatestsatiricalworkinEnglishsinceErewhon.Forthefactisthatallmysuccessiveinterpretationsofthisbooknowseemtohavebeenaccurateeveniftheearlieroneswerealsoincomplete.Thebookhasanimmenseanddevastating讽刺的themebutthisthemeisillustratedasitshouldbebymeansofanobservedreality. IamnotsuggestingthatCatch-22isarealisticaccountoflifeinthewartimeAirForceofAmericaoranyothercountry.Themethodofsatireistoinflate放大realitysothatallitspartiallyconcealedblemishes缺点turnintomonstrousandapparentdeformations.Theeffectofgoodsatireistomakeuslaughwithhorror.Andthismeansthatsocialandpersonalevilswhicharebeingsatirizedmusthavebeenthereandmustbefeltbythereadertobethereevenwhilebeislaughingattheresultsofthesatirist’sinflatingimagination. Whydoesthewritersayattheriskofinflation
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