甘肃开放大学《理工英语4》单元自测5（10分）答卷

单元自测5（10分）试卷总分:100得分:100一、选择填空：阅读下面的对话或句子，从A、B、C三个选项中选出一个能填入空白处的最佳选项。—Goodmorning,Jeff.WouldyoumindgoingtogetmeacupofcoffeeattheStarbucks?—___________________________Thankyouforremindingme.Noproblem!Youwanttheusual?Youmustbejoking.答案:B2.—Jeff,I'dappreciateitifyoucouldhelpmewiththeopeningspeechI'mgivingnextweek.—___________________________,?butI'llhavesometimebetweenfiveandsixp.m.Don’tmentionitYes,it’ssoquietasweexpectedWell,it'sprettybusythismorning答案:C3.—Oh,bytheway,howwasyourreportofthenewbatteriescomingalong?—___________________________.?It'sgoingprettywellJustgoaheadWell,I'mafraidso答案:A4.He?would?much?______?it?if?you?could?do?him?the?favor.awardapplyappreciate答案:C5.Combiningcarbonandsuper-capacitors_______?aperfectmarriage.seemslikeseelikereallylike答案:A6.二、阅读理解：阅读下面的短文，根据文章内容从A、B、C三个选项中选出一个最佳选项。（课外选材）Whencomputerserversoperateacomplexprogram,theycangetveryhot.Coolingtheserverscanbecostly.Soresearchersaskedwhatwouldhappeniftheheatcreatedbytheserverscouldbecapturedandused?DatacentersoflargeInternetcompaniessuchasGoogleandMicrosofthavethousandsofcomputerservers.Astheseserversprocessinformation,theycreatelargeamountsofheat,sotheyneedhugecoolingsystems.Thesesystemssendtheheatintotheair.TheDutchcompanyNerdalizethinkspayingforelectricitytooperatetheserversandthenpayingagaintocoolthemisawasteofenergy.Soitdevelopedadevicecalledthee-Radiator.Itisacomputerserverthatalsoworksasaheatingsource.BoazLeupeisthechiefexecutiveofficerofNerdalize.Hesaysthee-Radiatorsavesmoneybecausecompaniesdon'thavetopaytocooltheirservers."Thekilowatt（千瓦）houryouareusingisusedtwice--oncetoheatthehomeandoncetocomputetheclient'staskwithoutthecoolingoverhead."HesaysfivehomeownersintheNetherlandsaretestingtheheatingdeviceintheirhomes."Wereimbursetheelectricitytheserveruses,andthatwecandobecauseofthecomputerclientsontheotherside,and,inthatway,homeownersactuallygetheatingforfree,andcomputerusersdon'thavetopayfortheoverheadofthedatacenter."JanVisserisoneoftheparticipantsintheyear-longexperiment.Hesaystheamountofheatproducedbythee-Radiatordependsontheworkbeingdonebythecomputerserver.Hesaysitcannotbeusedastheprimarysourceofheat.Butheisreadytotryit.Hesaysifitprovidesenoughwarmth,hewillbeabletousehishome'sheatingsystemless,whichwillsavehimmoney.Nerdalizesayse-Radiatorscreateheattemperaturesofupto55℃.Itsaysthedevicescouldsaveusersupto$440inheatingcostsayear.?Whydidresearchersaskwhatwouldhappeniftheheatcreatedbytheserverscouldbecapturedandused?1Becausecomputerscangetveryhot.Computerserversisacomplexprogram.Coolingcomputerserverscostsalotofmoney.2.ThecomputerserversinlargeInternetcompaniessuchasGoogleandMicrosoftcan2.createlargeamountsofinformationcreatelargequantityofheatmanagethehugecoolingsystems3.Nerdalizedevelopedthee-Radiatorbecause3.e-Radiatorcostlessenergye-Radiatorcancooltheserversforfreee-Radiatorcancreatecoldairforfree4.AccordingtoJanVisser,theamountofheatproducedbythee-Radiator4.dependsontheworkbeingprocessedbyPCcannotbeusedasthehome'sheatingsystemcannotbeusedasthemainsourceofheat5.Thebesttitlefo