演讲台3d模型Word格式.docx
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者提供最直观的视觉平台.它使演讲者和观众看到不同的显示画面，只让观众看到当前画面或黑
色背景画面，而演讲者可以看到上一画面与下一画面，并且有当前页面的备注文字提示。
让一切尽在演讲者运筹帷幄之中。
*通过内部应用程序控制多个幻灯片，实现快速转变和无缝连接；
*同时观看当前、下一张和前一张幻灯片，幻灯片批注和计时器；
*当需要控制内置媒体、动画和分阶段幻灯片时，背景感应用户界面将会出现；
*只需一个单独的ppt-show结构框架就可以建立具有多个演讲者的学术讨论会，只需触摸一下就可以开始演讲；
*存到usb盘内的演讲内容在插入时自动导入，拔出时自动删除。
目前，已经开发成功wA-YJ21T、wA-YJ21p、wA-YJ21s、wA-YJ22、wA-YJ16、wA-ILs24h等多款数位演讲台，可供不同需要的用户选用；
还能根据用户的特殊需要，度身定做专用的高级豪华型数位演讲台。
该产品由台面、台柱、底座和控制系统等部分组成。
该产品可以根据演讲者的不同身高进行自动升降调节。
台面面板集成20英寸，16：
10宽屏触摸屏，操控便捷；
集成高性能无风扇工业电脑，低噪音、高性能、长寿命，硬件平台健壮性强。
台面预留话筒及台灯接口，并预留升降调节、话筒静音、台灯开关、指纹识别等控制按键；
台面右侧预留文稿位；
台面下侧预留4位usb接口、一位光驱、网线接口、笔记本接口、多功能卡槽等；
演讲台上部左右两侧各预留一位托盘，方便放置笔记本电脑、教案文稿、茶杯等物；
演讲台底面置有一对脚轮，方便移动。
斜面、平面和曲面、经过特种工艺处理，整体成型；
台柱的结构，采用精密机械传动结构，台柱的强度、刚度、稳定性以及性质的动力设备，确保了升降的平稳、可靠。
台柱、底座内，安装了各种高科技的控制元件，为了确保各种功能的安全性和可靠性，控制系统的关键部位，全部采用进口元件。
wA-YJ21p高级豪华型数位演讲台主要技术参数
附录：
我们通常把早期无任何电子化的演讲台称为第一代演讲台，该演讲台一般为木制，功能比较简单，主要是用来放置讲演稿，且不具备高度调节功能。
在第一代演讲台的基础上，引入了话筒（功放）类音频系统及辅助照亮台灯，也就过渡到了第二代演讲台，该类演讲台选用材质多样化，木制、金属、塑料等等不一而足，其功能较之第一代丰富了音频解决方案及照明解决方案，但仍未解决显示及高度调节等问题。
篇二：
（演讲台）
Readingcomprehension1
Questions1-5arebasedonthefollowingpassage:
eyecontactisanonverbaltechniquethathelpsthespeaker"
sell"
hisorherideastoanaudience.besidesitspersuasivepowers,eyecontacthelpsholdlistenerinterest.Asuccessfulspeakermustmaintaineyecontactwithanaudience.Tohavegoodrapport（关系）withlisteners,aspeakershouldmaintaindirecteyecontactforatleast75percentofthetime.somespeakersfocusexclusivelyontheirnotes.othersgazeovertheheadsoftheirlisteners.botharelikelytoloseaudienceinterestandesteem.peoplewhomaintaineyecontactwhilespeaking,whetherfromapodium（演讲台）orfromacrossthetable,are"
regardednotonlyasexceptionallywell-disposedbytheirtargetbutalsoasmorebelievableandearnest."
Toshowthepotencyofeyecontactindailylife,wehaveonlytoconsiderhowpassers-bybehavewhentheirglanceshappentomeetonthestreet.Atoneextremearethosepeoplewhofeelobligedtosmilewhentheymakeeyecontact.Attheotherextremearethosewhofeelawkwardandimmediatelylookaway.Tomakeeyecontact,itseems,istomakeacertainlinkwithsomeone.
eyecontactwithanaudiencealsoletsaspeakerknowandmonitorthelisteners.Itis,infact,essentialforanalyzinganaudienceduringaspeech.Visualcues（暗示）fromaudiencememberscanindicatethataspeechisdragging,thatthespeakerisdwellingonaparticularpointfortoolong,orthataparticularpointrequiresfurtherexplanation.Aswehavepointedout,visualfeedbackfromlistenersshouldplayanimportantroleinshapingaspeechasitisdelivered.
1.Thispassageismainlyconcernedwith_____.
A）theimportanceofeyecontact
b）thepotencyofnonverbaltechniques
c）successfulspeechdelivery
D）aneffectivewaytogainvisualfeedbacks
A）全文三段中每一段的首句皆点明“theimprtanceofeyecontact。
2.Accordingtothepassage,agoodspeakermust_____.
A）"
hisorherideastoanaudience
b）maintaindirecteyecontactwithlisteners
c）beverypersuasiveandbelievable
D）beexceptionallywell-disposed
b）第一段第三句“Tohavegoodrapport?
”即表明此意。
3.Theword"
target"
inthelastsentenceofthefirstparagraphcanbestbereplacedby
destination"
b）"
goal"
c）"
audience"
D）"
followers"
c）target作“目标”解，而speaker的目标，当然是指audience。
4.Indailylife,whentheglancesoftwopassers-byhappentomeet,thesetwopersonswillinevitably_____.
A）smiletoeachother
b）feelawkwardandlookawayimmediately
c）trytomakeaconversationwitheachother
D）noneoftheabove
D）第二段中只讲到在这种情况下，不同的人有不同的反应或表现，并不是inevitably--非作出某种表现或反应不可。
5.eyecontactwithanaudience,accordingtotheauthor,hasallthefollowingbenefitsforthespeakerexcepTthatitdoesnthelpthespeaker_____.
A）tocontroltheaudience
b）togainaudienceinterestandesteem
c）toknowwhetherheistalkingtoomuchaboutacertainpoint
D）toanalyzehisaudiencewhenheisbeginninghisspeech
D）第三段第二句是讲“duringaspeech”。
而选项D）说的只是“whenheisbeginninghisspeech”，故应排除在外。
Questions6-10arebasedonthefollowingpassage:
Aftertheveryactiveandsuccessfultenure（任职）ofofficebythesenegalesepresidentastheheadoftheorganizationofAfricanunity,itwashighlylogicaltothinkthatthesuccessor,whoeverhemightbe,wouldhaveadifficulttaskindoingabetterjob.
Thecongolesepresidentsettoworkassoonashewaselected.hisfirststepwastosuggesttothedeanofheadsofstatepresentintheethiopiancapital,presidentKennethKaundaofZambia,tosummonameetingoftheleadersofcountriesthatlieclosetosouthAfrica.Itsaim:
todefineastrategyinordertoovercomethereprisals（报复行为）thattheracistregimeofpretoriaislikelytotakeagainstitsneighboursincasesanctions（制裁）areimposedbytheinternationalcommunity.
presidentsassounguessohasalreadyundertakenanumberoftripsabroad.hethuswenttoharare（Zimbabwe）wherehedeliveredaspeech,onseptemberl,onbehalfofAfricabeforethesummitmeetingofnon-aligned（不结盟的）nations.
Attheendofseptember,hewasinnewYork,forastatementbeforethegeneralAssemblyoftheunitednations,andtheninwashington,fortalkswithhigh-rankingmembersoftheReaganAdministration.hethenwenttoottawa,forconsultationswithleadingmembersofthecanadiangovernment.
Thecongolesepresidentsaim,inalltheseendeavours,istoconvincestillreluctantcountriesoftheimperious（紧迫的）necessityofimposingsanctionsagainsttheracistregimeofpretoria.
6.Inthefirstparagraph,theword"
successor"
refersto_____.
A）apersonwhoenjoyedasuccessfulcareerinpolitics
b）apersonwhowasverypopularinthepoliticalarena
c）thepersonwhowastoleadtheorganization
D）thepresentheadoftheorganization
c）successor一词指即将接任该组织领导职位的人。
7.Accordingtothepassage,sassounguesso_____.
A）iscongolese
b）knewthatitwasverydifficultforhimtobeelected
c）waselectedwithoutanyopposition
D）hasheldameetingintheethiopiancapital
A）可用排除法。
b）、c）、D）的内容均未提及。
况且第二段的第一句已先点出其人是“Thecongolesepresident。
8.whichofthefollowingisnoTmentionedinthepassage?
A）presidentsassounguessohasdecidedtovisitasmanyAfricancountriesaspossible.
b）presidentsassounguessomadeasuggestiontopresidentKennethKaundathatameetingbeheldoftheleadersofcountriesthatlieclosetosouthAfrica.
c）presidentsassounguessowenttoharareanddeliveredaspeechthere.
D）IfsanctionsareimposedagainstsouthAfricabytheinternationalcommunity,theracistregimeofpretoriawillprobablytakerevengeonitsneighbours.
A）b）、D）的内容在第二段中提及，c）也在第三段中提及，唯独A）项内容未曾提及。
9.wemaydrawtheconclusionthatpresidentsassounguessohasbeenworkingreallyhardto
A）provehimselfatrustworthypresident
b）convincesomereluctantcountriesthatitishighlynecessarytoimposesanctionsagainsttheracistregimeofpretoria
c）showtothewholeworldthestrengthandpoweroftheorganizationofAfricanunity
D）seekfinancialsupportfromsomeadvancedcountriestopromoteAfricaneconomy
b）这一问题是问presidentsassounguesso所作努力的目的，从文中最后一段可以看出。
10.Thispieceismostprobablytakenfrom_____.
A）anewspaperreport
b）abiography
c）ahistorybook
D）awhoswho
A）语言平直通俗，笔调比较客观，符合新闻报道的文体。
Questions11-15arebasedonthefollowingpassage:
Anothercommontypeofreasoningisthesearchforcausesandresults.wewanttoknowwhethercigarettesreallydocauselungcancer,whatcausesmalnutrition,thedecayofcities,orthedecayofteeth.weareequallyinterestedineffects:
whatistheeffectofsulphurorleadintheatmosphere,ofoilspillsandrawsewageinriversandthesea,ofstayinguplateonthenightbeforeanexamination?
causalreasoningmaygofromcausetoeffectorfromeffecttocause.eitherway,wereasonfromwhatweknowtowhatwewanttofindout.sometimeswereasonfromaneffecttoacauseandthenontoanothereffect.Thus,ifwereasonthatbecausethelightshavegoneout,therefrigeratorwontwork,wefirstrelatetheeffect（lightsout）tothecause（poweroff）andthenrelatethatcausetoanothereffect（refrigeratornotworking）.Thiskindofreasoningiscalled,forshort,effecttoeffect.Itisquitecommontoreasonthroughanextensivechainofcausalrelations.whenthelightsgooutwemightreasoninthefollowingcausalchain:
lightsout-poweroff-refrigeratornotworking-temperaturewillrise-milkwillsour.Inotherwords,wediagnoseasuccessionofeffectsfromthepowerfailure,eachbecomingthecauseofthenext.
causesareclassifiedasnecessary,sufficient,orcontributory.Anecessarycauseisonewhichmustbepresentfortheeffecttooccur,ascombustionisnecessarytodriveagasolineengine.Asufficientcauseisonewhichcanproduceaneffectunaided,thoughtheremaybemorethanonesufficientcause:
adeadbatteryisenoughtokeepacarfromstarting,butfaultysparkplugsoranemptygastankwillhavethesameeffect.Acontributorycauseisonewhichhelpstoproduceaneffectbutcannotdosobyitself,asrunningthrougharedlightmayhelpcauseanaccident,thoughotherfactors-pedestriansorothercarsintheintersection-mustalsobepresent.
Inestablishingorrefuting（驳倒）acausalrelationitisusuallynecessarytoshowtheprocessbywhichthealleged（所谓的）causeproducestheeffect.suchanexplanationiscalledacausalprocess.
11.whattheauthordiscussedintheprevioussectionismostprobablyabout_____.
A）relationshipsbetweencausesandresults
b）classificationofreasoning
c）someothercommontypesofreasoning
D）somespecialtypeofreasoning
c）由本文第一句“Anothercommontypeofreasoning?
”可推断前面所讲的很可能是其他的推理类型。
12.Accordingtothepassage,todothe"
effecttoeffect"
reasoningistoreason_____.
A）fromcausetoeffect
b）fromeffecttocause
c）fromeffecttoeffectandontocause
D）fromeffecttocauseandontoanothereffect
D）从本文第二段第三行“Thus”开始，到第六行结束，即是对effecttoeffect推理方法所作的这一解释。
13.Anecessarycauseis_____.
A）onewithoutwhichitisimpossiblefortheeffecttooccur
b）oneofthecausesthatcanproducetheeffect
c）onethatisenoughtomaketheeffectoccur
D）noneofthem
A）第三段的第二句话即阐明“anecessarycause”的含意。
14.Yourrefrigeratorisnotworkingandyouhavefoundthattheelectricpowerhasbeencutoff.Thepowerfailureisa____
A）necessarycause
b）sufficientcause
c）contributorycause
b）根据“asufficientcause”的定义。
因为仅“断电”一项原因，足以使“冰箱”停止工作。
15.Thispassagemainlydiscusses
A）causalreasoning
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