第第頁共6頁第第3頁共6頁Inanothercompetition,acomputertookonhumansinlive,publicdebates.TheeventdemonstratedhowAl-poweredcomputersareincreasinglybeingdevelopedtothinkandsoundlikehumans.Theorganizerofthedebates,U.S.technologycompanyIBM,announcedsplitresults.Itsaidamajorityofthosewatchingsaidtheyfeltthemachinehaddonemoretoimprovetheirknowledgeofthesubject.But,thehumangotmorepraiseforcommunicatingtheirideas.Thisyear,wealsoexploredthemanywaysAIandmachinelearningarenowbeingused.Forexample,someU.S.judgesusemachinelearningsystemstohelpthemdecidewhen,andforhowlong,criminalsshouldbejailed.Thesystemusescomputerstoexaminedatafromthousandsofcourtcases.Onefast-growingareaofAIisfacialrecognition,whichisincreasinglybeingusedforsecuritypurposes.Recently,Atlanta'sHartsfield-JacksonairportbecamethefirstintheU.s.topermitpassengerstousefacialrecognitiontechnologytogetonflights.AChinesecompanyshowedoffanAIsystemitdevelopedtorecognizeindividualsbybodyshapeandwalkingmovements.ThesystemisalreadybeingusedbyChinesepoliceinBeijingandShanghai.Inaddition,machinelearningwasusedduring2018topredictresultsoftheWorldCupsoccercompetition.Thetechnologyalsocreatedartworkthatsoldforalargeamountofmoney.Anditisbeingusedtohelpfarmersavetimeandmoney,whilereducingenvironment-harmingchemicals.Othertechnologysystemsarebeingusedtofollowfarmanimalsandwildlifetocollectinformationontheiractivities.Whywerethetwocompetitionsmentionedinthepassage?ToshowhowmuchbetterAIandmachinelearningarethanhumans.ToproveAIandmachineLearninggotmorepraiseforcommunication.ToshowhowpowerfulAIandmachineLearningare.ToproveAIandmachinelearninghavebeenusedintheworkofU.S.judges.Whatarefacialandbodyrecognitionsystemsusedforinthepassage?A.Knowledgelearning.B.Safetycontrol.C.Officeautomation.D.Trackingsurvey.Whatcanweinferfromthispassage?A.AIhasbeenwidelyusedineveryperson'sdailylife.HumancanbereplacedbyAIinfuturecompletely.MoreattentionisbeingpaidtoAIineverypartoftheworld.MoreadvancedAlishelpingpeopleinmoreandmoreareas.Whereisthetextprobablyfrom?A.Atechnologyreport.B.Anaturalsciencemagazine.C.sciencefiction.D.Agovernmentdocument.A：【解析】這是一篇說明文。人工智能和機器學習快速發展，機器在一些比賽中超過了人類。除此以外,機器和人工智能被應用于很多領域。推理判斷題。根據第二第三段可知在第一場比賽中，使用人工智能的機器表現得比人類更好；在第二個比賽中，機器人在公開辯論中挑戰人類，結果大多數觀看者認為機器在提高他們對這門學科的知識方面做得更好。這兩個比賽都體現了人工智能和機器學習的強大，選Co細節理解題。根據“Onefast-growingareaofAIisfacialrecognition,whichisincreasinglybeingusedforsecuritypurposes.”可知人工智能的一個快速發展的領域是面部識別，它越來越多地被用于安全目的。故選Bo推理判斷題。根據“someU.S.judgesusemachinelearningsystemstohelpthemdecidewhen,”可知一些美國法官使用機器學習系統來幫助他們決定罪犯應該被監禁的時間和期限，再根據最后兩段可知機器學習和人工智能還被應用于安全監控和預測世界杯足球賽的結果，保護環境等。根據這些可以推斷機器在越來越多的領域幫助著人類，故選Do推理判斷題。本文文章主要是關于人工智能和機器學習的，最有可能是來自于科技報告(Atechnologyreport.)，故選A。BManyofusloveJulybecauseit'sthemonthwhennature'sberriesandstoneftuitsareinabundance.ThesecolourfulandsweetjewelsformBritishColumbia'sfieldsarelittlepowerhousesofnutritionalprotection.Ofthecommonberries,strawberriesarehighestinvitaminC,although,becauseoftheirseeds,raspberriescontainalittlemoreprotein（蛋白質）,ironandzinc（notthatfruitshavemuchprotein）.Blueberriesareparticularlyhighinantioxidants（抗氧化物質）.TheyellowandorangestonefruitssuchaspeachesarehighinthecarotenoidsweturnintovitaminAandwhichareantioxidants.Asforcherries櫻桃）,theyaresodeliciouswhocares?However,theyarerichinvitaminC.Whencombinedwithberriesofslicesofotherfruits,frozenbananasmakeanexcellentbaseforthick,coolingfruitshakesandlowfat"icecream".Forthispurpose,selectripebananasforfreezingastheyaremuchsweeter.Removetheskinandplacetheminplasticbagsorcontainersandfreeze.Ifyoulike,asqueezeoffreshlemonjuiceonthebananaswillpreventthemturningbrown.Frozenbananaswilllastseveralweeks,dependingontheirripenessandthetemperatureofthefreezer.Ifyouhaveajuicer,youcansimplyfeedinfrozenbananasandsomeberriesorslicedfruit.Outcomesa“soft-serve”creamydessert,tobeeatenrightaway.Thismakesafunactivityforachildren'sparty;theylovefeedingthefruitandfrozenbananasintothetopofthemachineandwatchingtheicecreamcomeoutbelow.Whatdoestheauthorseemtolikeaboutcherries?A.Theycontainprotein.B.TheyarehighinvitaminA.C.Theyhaveapleasanttaste.D.Theyarerichinantioxidants.Whyisfreshlemonjuiceusedinfreezingbananas?A.Tomakethemsmellbetter.B.Tokeeptheircolour.C.Tospeeduptheirripening.D.Toimprovetheirnutrition.Whatis“ajuicer"inthelastparagraph?A.Adessert.B.Adrink.C.Acontainer.D.Amachine.Fromwhichisthetextprobablytaken?A.Abiologytextbook.B.Ahealthmagazine.C.Aresearchpaper.D.Atravelbrochure.B：【解析】本文是一篇日常生活類說明文。文中講述了人們熱愛水果豐盛的7月，這時候各種水果營養豐富且含有對人體有益的微量元素，尤其是香蕉。我們可以利用它做一些孩子喜歡的甜點或冰淇淋。5.細節理解題。題干問的是，作者喜歡櫻桃什么。根據第二段中Asforcherries（櫻桃）,theyaresodeliciouswhocares?（至于櫻桃，因為它們很好吃誰在乎呢?）可知，作者在乎的是它的美味。故選C。細節理解題。根據第三段中的Ifyoulike,asqueezeoffreshlemonjuiceonthebananaswillpreventthemturningbrown?可知，往香蕉上滴新鮮的檸檬汁是為了防止香蕉變成褐色，故新鮮的檸檬汁是被用來保持香蕉的顏色的。故選B。詞義猜測題。根據最后一段中theylovefeedingthefruitandfrozenbananasintothet