- 1. augmentedreality：虚拟现实
- 2. Asah________offinanceandcommunications,ParisisnowalmostequaltoLondon.(alargeairportfromwhichyoucantraveltomanyotherairports)
- 3. Atypeofvehiclecanrunalongstreets,obeytrafficsignsandparkinthelotwithoutahumandriver.
- 4. Anumberofeventsareheldworldwideannuallytocelebratetheday,includingdisplayingUPUposters,dspeeches,organizingletter-writingcompetition.(--tostateinaformalmanner)
- 5. Asthepopulationofthecoloniesgrew,theneedforamoreorganizedsystemofmaildeliverybecame________.
- 6. Astampdesignincludesseveralelementsrequiredforitto________itspurposesatisfactorily.
- 7. AlthoughIsoonc________himofmyinnocence,Ithinkhestillhasseriousdoubtsaboutmysanity.(--tomakesb.believethatsomethingistrue)
- 8. Atonetimepeoplethoughtofsomeprettyo________waystomakesurethestampcouldn’tbeusedagain.(--unusual,differentfromwhatmostpeopleexpect)
- 9. Amolecularorbitaldescribesthemovingstatusofanelectronundertheaveragepotentialofthewholemolecule.
- 10. AccordingtoDavydovsplitting,theexcitedstateofaonedimensionalcrystalwithNmoleculescanhaveNdegeneratedstates.
- 11. Amongthethreesolarcellscontainingorganicmaterials(OPV,DSSCandPSC),OPVgenerallyexhibitsthehighestpowerconversionefficiency.
- 12. Aninternalconversionprocesscannotoccurbetweentwodifferentelectroniclevels.
- 13. Allorganicmaterialshavesmallconductivity,i.e.,theyareinsulators.
- 14. AccordingtominiexcitonmodelfortheexplanationofDavydovsplitting,solventshiftleadstotheblueshiftofabsorptionspectrum.
- 15. AccordingtoHund’srule,incrystalfieldtheory,electronswillcertainlyoccupyindifferentdorbitalsbeforetheypairup.
- 16. Atomicorbitaldescribesorbitalenergyonly.
- 17. Anelectron-holepairbondedinadjacentmoleculesisFrenkelexciton.
- 18. Afteraggregatingtosolid,bandgapdecreasescomparedtothatofgaseousmolecules.
- 19. AccordingtoFranck-Condonprinciple,andiftheenvironmentalinfluencetothetwostatesissmall,theabsorptionandtheemissionspectrawillbemirrorsymmetry.
- 20. Anioniccrystalconsistsofcationsandanions,therefore,theioniccrystalcanconductelectricity.
- 21. Accordingtothevalueofcontactbarrierbetweenmetalandnonmetalmaterials,acontactcaneitherfacilitatecarrierinjectionorpreventcarrierinjection.
- 22. Athighertemperature,theinfluenceofelectricfieldonmobilityisrelativelow.
- 23. Amongthethreesolarcellscontainingorganicmaterials,OPVgenerallyexhibitsthehighestoperationstability.
- 24. Ag／AgCl电极接近完全极化电极，也是实际应用常用的电极
- 25. ABC库存管理法的基本思想是根据库存物品的重要性，采取不同程度的库存控制手段。
- 26. A、B两台PC机利用主串口进行点-点单工通信，一帧字符包含7个数据位，1个停止位，1个校验位，通信速率为4800波特，下图是从PC机的RS-232C接口引脚观察到的波形，则传送该帧数据需要的时间是______s。（请填写分数形式，例如1／1000）
- 27. A、B两台PC机利用主串口进行点-点单工通信，一帧字符包含7个数据位，1个停止位，1个校验位，通信速率为4800波特，下图是从PC机的RS-232C接口引脚观察到的波形，可知所传送字符的16进制ASCII码是_________H。？
- 28. AL的内容为92H，则执行指令SARAL,1后，AL的内容为（）H。（注：字符全部大写，并且为半角字符。）
- 29. A、B两台PC机利用主串口进行点-点单工通信，一帧字符包含7个数据位，1个停止位，1个校验位，通信速率为4800波特，下图是从PC机的RS-232C接口引脚观察到的波形，可知该帧数据采用的奇偶校验方式是_________校验。（奇／偶）
- 30. ASSUME伪指令的功能是将各段寄存器装入实际值。
- 31. A、B两台PC机利用主串口进行点-点单工通信，一帧字符包含7个数据位，1个停止位，1个校验位，通信速率为4800波特，下图是从PC机的RS-232C接口引脚观察到的波形，可知所传送的字符是（）。？
- 32. ARP协议中，A主机想要获取本网络中B主机的MAC地址，则A主机的ARP请求分组是以广播方式发送，B主机的ARP响应分组是
- 33. ARP协议的作用是完成物理地址到IP地址的解析。
- 34. AM的调幅系数大于1时，不能采用包络检波器对AM信号正确解调。
- 35. AM信号一般采用____解调，DSB和SSB信号采用____解调。
- 36. ARQ系统的主要优点是，缺点是。
- 37. A律13折线最小量化级为1个单位，已知抽样脉冲的幅度值为750个单位，则非均匀量化的七位码为_________。
- 38. ADPCM相比于PCM，前者。
- 39. A／D转换过程中，必然会出现量化误差。
- 40. AOV图中存在两个顶点i和j,若i领先j,以下情况绝对不会发生的是________。
- 41. a^2的后缀表达式是aa＊
- 42. Android的系统类库通过应用程序框架将相关功能模块提供给开发者所使用，包括图形引擎、小型关系数据库、网络通信安全协议等。
- 43. AsimpleharmonicoscillatorhasaperiodTandanangularfrequency.Ifthesystem'sperioddoubles,whathappenstotheangularfrequency？[]
- 44. Aplanesimpleharmonicwavepropagatesintheelasticmedium.Atacertainmoment,amasselementinthemediumislocatedatthemaximumdisplacement.Thenitsenergyatthismoment[]
- 45. Alocomotivewhistlehasafrequencyof700Hz.Asthelocomotiveapproachesastationaryobserverataspeedof25m／s,thefrequencyofthewhistleheardbytheobserveris[](Assumethespeedofsoundinairis340m／s)
- 46. AspringoscillatorundergoesharmonicvibrationwithatotalenergyofE.Whenitsdisplacementfromtheequilibriumpositionis1／4oftheamplitude,itskineticenergyis[]
- 47. Aparticlevibratesinaharmonicmannerwithafrequencyoff,thenitskineticenergychangesatafrequencyof[]
- 48. Afterdoingresearchintodiet,theAmericanscholars_______theconclusionthatagooddietincludedfishandseafoodbutdidn’tincludeanimalsorbirds.(EAP)
- 49. Amongthefollowingpairsofsentences,inwhichpairtheuseoffirst-personpronounisdiscouraged？
- 50. Atechnicalexplanationofthiskindhoweverdoesnot______thecontinuingone-man-bandnatureofmanysuchbusinesses,whichpreventsgrowthfororganizationalaswellasmarketreasons.(EAP)
- 51. Artificialintelligenceisclassified____twomaincategories：AIthat’sbasedonfunctionalityandAIthat’sbasedoncapabilities.
- 52. Amongthefollowingpairsofsentences,inwhichpairtheuseofpassivevoiceislessappropriate？
- 53. Animals,whichhavebeensurgicallyimplantedwithcorticalrecordingelectrodes,engageinasensorimotortask—_____________,movingajoysticktocontrolacursoronascreen.
- 54. Aplaneofthistremendouscapacityand______reliabilityhasobviouspossibilitiesincommercialaviation.(EAP)
- 55. Anumberoffactorsmaybepreventingthetreesfromcolonizingthegrasslands,__________limitedfrosttolerance,aninabilitytodisperseseeds.
- 56. Asbusinessmodelsevolve,theeffectivenessofsimplemethods___________discountpromotionstodrivesalesisgraduallydiminishing.
- 57. Apollof4,000,000ex-servicemeninthecountrytodeterminehowmanyofthem______favorthebonus.(EAP)
- 58. Aftertheearthquake,thegovernment________emergencyaidandassistancefromneighboringcountries.(EAP)
- 59. AISAS最重要的两个环节：两个S代表的是speak（发表）与sale（出售）。
- 60. AG增高型代谢性酸中毒常见的原因有哪些？
- 61. AG增高(血氯正常)型代谢性酸中毒常见于：
- 62. ARDS时肺的病理变化没有
- 63. A／D转换器的系统误差是指。
- 64. A／D转换器要将时间和幅值都连续的模拟量，转换为时间、幅值都离散的数字量，一般要经过几个过程。
- 65. A／D转换器中，四舍五入量化法和舍尾取整量化法的量化误差是一样的。对吗？
- 66. A／D器用于把模数量转换为数字量，对于一个转换速度为1ms、模拟信号输入范围为0--5V的8位A／D器件，如果输入一个3.3V的模拟信号，其数字信号输出值应该是：
- 67. A／D转换器的位数越高，量化误差（）。
- 68. A／D转换器的速度越快，离散采样误差（）。
- 69. and是Verilog语法中预先定义了的门级原型
- 70. always模块只能描述时序逻辑
- 71. assign语句只能描述组合逻辑
- 72. Aftertheaccident,theyjustpretendedthatnothingwas_______andleftquietly.
- 73. Airistohuman_______wateristofish.
- 74. A____eggisasubstantialsumofmoneyorotherassetsthathavebeensavedorinvestedforaspecificpurpose.
- 75. A______ofbirdsflewtowardsusslowlyfromfaraway.
- 76. A______isatypeofshipthatcantravelbothaboveandbelowthesurfaceofthesea.
- 77. A_______isaflatshapewithfivestraightsidesandfiveangles.
- 78. AtraditionalThanksgivingdinnerusually______roastturkey.
- 79. Atiger______butawolf______.
- 80. A_______isacyclewiththreewheels,twoatthebackandoneatthefrontorsometimesotherwise.A.monocycleB.bicycleC.tricycleD.car
- 81. Ahorse______butacow______.
- 82. A______isacleverandamusinguseofawordorphrasewithtwomeanings,orofwordswiththesamesoundbutdifferentmeanings.
- 83. ADear______letterreferstoaletterwrittentoamanbyhiswifeorromanticpartnertoinformhimtheirrelationshipisoverbecauseshehasfoundanotherlover.
- 84. Astheymovedhigherup,theirvoices_______.
- 85. A______oftinyfishswamaboutinthewater.
- 86. AutoCAD打开了“正交”，也能画45°的直线。
- 87. AutoCAD里锁定的图层里的图元也能删除。
- 88. AutoCAD里样条曲线也能选择其切线方向。
- 89. AutoCAD的命令可以从命令行、工具栏、菜单栏、快捷菜单等发出。
- 90. AutoCAD的样板文档的后缀是：
- 91. AutoCAD里一旦完成图案填充，则不能被编辑。
- 92. Accordingtotherecentlaw,victimsofaircrashareallentitledtoa_________compensationpolicy.
- 93. Appalledandinsistent,Wellsteaddousedthefireandtheninstructedabaristatocallforanambulance.
- 94. Areputablevloggerwillnotalterhisorher_________onanissuesolelybasedonthenumberoflikes.
- 95. Adepressedeconomycombinedwitha[surge]ofjoblessteenagersislikelytohavecontributedtorisingcrimelevelsintheUS.
- 96. Accordingtothepassage,whatisscience？
- 97. Aspartofeducation,youngkidsshouldbetaughtto[makeamendsfor]theirownmistakes.
- 98. Asthechairpersonenteredthemeetingroom,the_________politicaldiscussionbetweenWilliamandJoeendedabruptly.
- 99. Asa_________customer,Mr.Smithisfamiliarwithallthewaitersandwaitressesintherestaurant.
- 100. Asoneoftheleadingfiguresinhisfield,thisscientistis_________ofrespectandadmiration.