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Accordingtothemodeofenergyconversion
1.Baseonenergyconversion,powerplantsaredividedintomorethan7categories.(A.Right)
2.Apowerplanttriestotransformenergysourceintoelectricpower.(B.Wrong)
3.Thepowerplantgeneratingelectricityandsupplyingsteamiscalledaco-generationplant.(A.Right)
4.Apowernetplanforshortandmediumtermisoneoffactorsinselectingasite.(B.Wrong)
5.Twoimportantfactorsforanewplantplanarefuelsupplyandashdisposal.(A.Right)
6.Environmentalprotectionislessconsideredinbuildinganewpowerplant.(B.Wrong)
7.Watersourcesandtransportationconditionsarenotneededtoconsiderinselectinganewsite(B.Wrong)
8.Thetotalcapacityinanewlyscheduledplantarrangesfrom1200MWto3600MW.(A.Right)
9.Thenumberofunitsexceedsmorethansix.(B.Wrong)
10.Theranksofcapacityshouldbelimitedwithintwo.(A.Right)
AmongthecriticismsoftheObamaadministration’s
1.TheObamaadministration’sbankrescueproposaliscriticizedbecausetheamountofmoneyistoohuge.(B.Wrong)
2.Theword“float”(Para.3)means“tomovewithoutanaim”(B.Wrong)
3.Accordingtotheauthor,ordinaryAmericansdon’thavemuchcashthesedays.(A.Right)
4.Thebailoutplanissocomplexandriskythattheworld’smajorbanksutterlymisjudgedthem.(B.Wrong)
5.Thelastparagraphindicatesthatthebailoutplanneedssupportfrombiginvestors(A.Right)
Australiaisavastcontinent,thesixthlargestintheworld
1.Australiaisalargecountryandhasarelativelylargepopulation.(B.Wrong)
2.ThemajorityofpeoplelivinginAustraliaarecitydwellers(A.Right)
3.Thedeliveryofeducationservicestopeoplelivinginremoteareasisunimaginableforalmostacentury.(B.Wrong)
4.Theattempttoprovideeducationalservicestodistantdwellersdidnottakeplaceuntil1916.(A.Right)
5.Theschoolworkwasdeliveredandreturnedthroughsealedroads,regularbusroutesandairservicesinthebeginning.(B.Wrong)
Biomassisacost-effectivesourceofenergy
1.Asasourceofenergy,biomasscanbringthebestpossibleprofitsforthelowestpossiblecosts.(A.Right)
2.0neoftheadvantagesofusingbiomassisthatitisaconvenientmediumtostoreenergy(A.Right)
3.Biomassdoesn’tproduceenoughcarbondioxideandisharmlesstotheenvironment(B.Wrong)
4.Despiteitsadvantages,biomassisnotsuitableforcommercialuses.(A.Right)
5.Onlytreesandcropscanbeusedasbiomass-fuels.(B.Wrong)
Electricitymaybedangerous.Italwaystakestheshortest
1.Electricityisnotdangerousaspeoplethink.(B.Wrong)
2.Drywoodcancarryelectricitytotheground.u(B.Wrong)
3.Conductorslikemetalorwatercancarryelectricitytotheground.(A.Right)
4.Humanbodyisagoodconductorbecauseithas90%waterinthebody.(B.Wrong)
5.Youcanuseahairdryerfarfrombathandwater.(A.Right)
6.Wethandsaregoodconductorsfortransmittingelectricity.(A.Right)
7.Thebesttooltopushashockedpersonawayfromthepoweristouseanon-conductor.(A.Right)
MarxoncequotedafamoussayinginhisworkCapitalism
1.TheworkCapitalismiswrittenbyCarlMarx.(A.Right)
2.For20%profit,capitalwilltakerisks.(B.Wrong)
3.For100%,capitaldarestobreakanyhumanlaws.(A.Right)
4.For200%,capitaldarestocommitanycrimeandevenrisksbeinghanged.(B.Wrong)
5.Thepursuitofprofitsforceshumanbeingstotakeanyrisks(A.Right)
6.Thepursuitofprofitismuchmoreencouragedthanthepursuitoffriendship.(B.Wrong)
7.TherearetwoownershipsexistinginChineseeconomy.(A.Right)
8.Onlybrightmanufacturerormanagercanpredictthefutureofhisenterprises.(B.Wrong)
Nuclearpower’sdangertohealth,safety,andevento
1.Themysteryaboutnuclearradiationmaycomefromthefactthatitcannotbedetectedbyhumansenses.(A.Right)
2.Wecannotsenseradioactivitywithoutaradioreceiver.(B.Wrong)
3.Commonradiowavesareharmlesstohumanbeingsandotherthings.(A.Right)
4.Evenatthelowestlevels,radiationwillcausecancerbykillingthehealthycells.(B.Wrong)
5.Victimsofnuclearradiationmaydieofcanceryearslater.(A.Right)
Opticalfibercommunicationisakindofinformation
1.Akindofinformationcommunicationisopticalfibercommunication.(A.Right)
2.Thecompositeopticalfibergroundwireisseldomusedinpowersystem.(B.Wrong)
3.Oneofthetransmissiontasksoftheopticalfibermainnetworkistotransmitadministrationtelephonesfrompowersystem.(A.Right)
4.Opticalfibercommunicationhasbeentheimportantcommunicationmethodinpowercommunicationsystem.(A.Right)
5.Largecapacityofcommunicationisnotoneoftheadvantagesofopticalfibercommunication.(B.Wrong)
6.Thecommunicationcapacityofopticalfiberisindirectlyproportiontothecarrierfrequency.(B.Wrong)
7.Thecarrierfrequencyofpowerlineismorethan300kHz.(A.Right)
8.Thecarrierfrequencyofmicrowaveisbetween3000MHzand5000MHz.(B.Wrong)
9.Themainproblemofthefiber-opticchannelisthehighpriceoffiber-opticequipment.(A.Right)
10.Thecablesmadebyopticalfiberarenotexpensive(B.Wrong)
Takingageneralviewofthe1000MWgradehigh-efficiencysupercritical
1.The1000MWgradehigh-efficiencysupercriticalunitisdesignedandmadeinChina.(A.Right)
2.Thetemperatureofmainsteamandreheatedsteamreachbasicallybetween570to6500C.(B.Wrong)
3.Thetubewalltemperatureofsuperheaterandreheatercanreachmorethan600to6500C.(A.Right)
4.Theanti-hightemperaturesteamoxidationperformanceattubeinnersurfaceishighlydemanded.(A.Right)
5.Theanti-hightemperaturefluegascorrosionperformanceattubeoutsidesurfaceisnothighlydemanded.(B.Wrong)
6.ThetemperaturelimitofT91foruseisabout5930C.(A.Right)
7.ThetemperaturelimitofT92foruseislessthan6200C.(B.Wrong)
8.Thetemperatureofaustenitestainlesssteelfornormaluseisabout6500C.(A.Right)
9.Thetemperature1imitofanstenitestainlesssteelis1essthan7000C.(B.Wrong)
10.Onlyheat-resistingsteelcanbeadoptedforuse.(B.Wrong)
Thecondenserisasurfaceheatexchangerinwhichcoolingwater
1.Acondenserisaheatexchangerremovingthevaporizationheatfromtheexhauststeamandcondensingtheexhauststeamintowater.(A.Right)
2.Itissuggestedthatthewatershouldnotbecooledbelowthesaturationtemperature.(A.Right)
3.Thesaturationtemperaturewouldnotremoveexcessenergyfromthesystemandreducetheoverallefficiency.(B.Wrong)
4.Itisunnecessarytoreducethesteamtowatersothatitcanbepumpedbackthroughthesystem.(B.Wrong)
5.Thecondenserdoesnotcontrolback-pressureattheturbineexhaust.(B.Wrong)
6.Theimportantfactorcontrollingtheturbinebackpressureisthetemperatureofthecoolingwaterpassingthroughthecondensertubes.(A.Right)
7.Thetemperatureofcoolingwaterwillincreaseitstemperaturebetween15oFand20oFasitpassesthroughthecondenser.(A.Right)
8.Theterminaldifferencemeansthetemperaturedifferencebetweenthecoolingwaterandtheturhineexhauststeam.(A.Right)
9.Thetemperatureincreaseofthecoolingwaterandtheterminaldifferencedependon3factors.(B.Wrong)
10.Theexhauststeamtemperaturedoesnotrelyonthetemperatureofthecoolingwaterwhichentersthecondenser.(B.Wrong)
Theearthisthehomeforusa11
1.Theearthturnsitselfonceaweek.(B.Wrong)
2.Thepeoplea11overtheworldcanseesunriseatthesametime.(B.Wrong)
3.Theearthmovesroundthesun.(A.Right)
4.Astheearthgoesroundthemoon,wehaveourfourseasons.(B.Wrong)
5.Theseasonsinsomeplacesontheearthisrelativetotheirdistancefromthesun.(A.Right)
Thehighvoltagecircuitbreakerismainlycomposed
1.Contactors,arc-extinguishingelements,insulationmaterialandoperatingmechanismformthehighvoltagecircuitbreaker.(A.Right)
2.Theinsulationstructureismadeupof3parts.(A.Right)
3.Thearc-extinguishingmediumcanbedividedintoonly3parts.(B.Wrong)
4.Anoilcircuitbreakermeansacircuitbreakerwithoilasarc-extinguishingandinsulationmedium.(A.Right)
5.Avacuumcircuitbreakerisnotacircuitbreakerwithcloseandopencontactorsinhighvacuum.(B.Wrong)
6.ApureSF6gasisnotagoodarc-extinguishingmedium.(B.Wrong)
7.TheinsulationstrengthofSF6gasishigherthanairandvacuum.(A.Right)
8.Anoilminimumcircuitbreakerisverysafeinuse.(A.Right)
9.Anoilminimumcircuitbreakerhasbadheatdissipationcapability.(B.Wrong)
10.Anoilminimumcircuitbreakerisoneofthemostlyusedcircuitbreakersinthepowergrid.(A.Right)
Thepurposeofpost-weldheattreatment
1.Thepost-weldheattreatmentshavetwomainpurposes.(A.Right)
2.Oneofthepurposesistodiminishtheresidualstressintheweldedjoints.(A.Right)
3.Theotherpurposeistoimprovetheorganizationoftheweldedjoints.(B.Wrong)
4.Theweldingcrackcanbeclassifiedinto5categories.(A.Right)
5.Tochangetheinternalstructureoftheworkpieceisoneofpurposesforheattreatment.(A.Right)
6.Thereare5kindsofsteelheattreatment(B.Wrong)
7.Theprocessesofheattreatmentinclude4procedures.(A.Right)
8.Theelectricresistancefurnaceisnotwidelyused.(B.Wrong)
9.Heattreatmentfurnacesarenotcomposedofelectricresistancefurnace,combustionfurnaceandsurfaceheatingdevice.(B.Wrong)
10.Thecontroldeviceforheattreatmenttemperatureiscomposedoftemperaturemeasuringelement,andcontroldevice.(B.Wrong)
Thesimultaneousnessoftheelectricpowergenerationmeansthat
1.Theelectricpowercanbestored.(B.Wrong)
2.Thepowersystemismadeupof4parts.(A.Right)
3.Theunificationofpowersystemequipmentisformedby4equipments.(A.Right)
4.Apowersystemisanundividedinteger.(A.Right)
5.Thepowernetworkcanoperatenormallywithouttheintegrationofother3equipments(B.Wrong)
6.Alinklineiscalledatransmissionline(A.Right)
7.Alinklineisformedby3powernetworks.(B.Wrong)
8.Anelectricpowernetworkissimplycalledapowernetwork.(B.Wrong)
9.ThemainnetworkframeisformedbyaweakEHVsystem.(B.Wrong)
10.Thenetworksarenotcloselylinkedwitheachother.(B.Wrong)
Theselectedtypeofdamofhydraulicpowerplantdependsprincipally
1.Thetypeofdamforhydraulicpowerplantdependsonmanyfactors.(A.Right)
2.Themainpurposeofthedamsafetymonitoringistomonitortheperformanceindexes.(A.Right)
3.Theequipmentinstalledinsidethedamistodiscoverthenormalityofdamintime.(B.Wrong)
4.Horizontaldisplacementismoreimportantthanverticaldisplacement.(B.Wrong)
5.Temperaturestressandstrainarethetwomainmonitoringitemsofdam.(B.Wrong)
6.Themonitoringmethodisthesuitablepointsonthedamanditsfoundation.(A.Right)
7.Somemonitoringdevicesaremovableforperiodicalsupervision.(B.Wrong)
8.Themonitoringresultshallbeanalyzedandstudiedbycomputers.(B.Wrong)
Theunderseaworldisverymysterious
1.Everythingundertheseabecomesblueandgreen.(A.Right)
2.Nowpeoplecandiveintothewatertoexplorethesecretsofthesea.(A.Right)
3.Youcanstayindeepblueseaforalongtimeifyouhavebottlesofaironyourback.(A.Right)
4.Itiswarmbutdarkindeeperwater.(B.Wrong)
5.Underabout3000feet,thereisnolightatall.(A.Right)
6.Manyfishunderdeepwaterhaveeyeslikenormalfishinwater.(B.Wrong)
7.Theseaisadangerousplaceforallorganisms.(A.Right)
8.Deepseaanimalsmustfollowtherule:toeatorbeeaten.(A.Right)
ThomasEdisonwasagreatinventor
1.Phonograph(留声机)wasinventedtwohundredyearsago.(B.Wrong)
2.Thecomputeswasagreatinventionbeforethehelicopterwasinvented.(B.Wrong)
3.Nylongreatlyinfluencedthetypeofclothes.(A.Right)
4.Theinventionsforgettingoverillnesshasnothingtodowiththehealthofhumanbeing(B.Wrong)
5.ThomasEdisonwasagreatdoctor.(B.Wrong)
Weallneedfriends.Withoutfriendswemayfeelempty
1.Peoplecan’tlivewelliftheyhavenofriends(A.Right)
2.Ifyouwanttokeepafriendforever,youshouldgreethimwithasmile.(A.
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