北师大版英语选修7课时分层作业6Unit20

课时分层作业(六)[语言知识练习固基础]Ⅰ.单句语法填空1．Ourneighboursgaveusababybirdyesterdaythathurtitself(it)whenitfellfromitsnest.2．Itnowhas20，000hectaresofland，morethantwo­thirdsofwhichareundercultivation.3．Idon'tthinkheisthebestonetodo(do)thework.4．Myteethareverysensitivetocoldfood.5．Ihavearrangedforacartopick(pick)themupatthestation.6．Therewasnosleepingacmodationavailabletousforthenight.7．Letusriseasonemanindefence(defend)ofourmotherland.8．Heledtheminlaunching(launch)amovement.9．ThebadcoldpreventedAlicefromtaking(take)partinthesportsmeet.10．Wegotlost(lose)becausewecouldn'treadthemap.Ⅱ.完成句子1．这个人头枕着胳膊睡着了。Themanwasasleepwithhisheadonhisarms．2．他宁愿坐飞机而不愿坐火车。Hepreferredtoflyratherthantravelbytrain．3．她的行为足以断言她是一个诚实的女人。Heractiondeclaredhertobeanhonestwoman．4．不许任何人不执行命令！NoPartymemberispermittedtodisobeyorders!5．由于一只脚踝扭伤，他退出了比赛。Hedroppedoutoftheracebecauseofasprainedankle.[高考题型练习提能力]Ⅰ.阅读理解AYouuseherasashouldertocryon.Shetextsyoubackwithcasualjokes.Butshe，Xiaoice，isonlyavirtualchatbot.Xiaoice，Microsoft'slatestartificialintelligencerobot，wasbrieflyreleasedin2014，andreturnedtoWeChatin2015，whereshebecameabighit．MillionsofyoungChinesenowexchangemessageswithherdaily，TheNewYorkTimesreported.OnWeChat，Xiaoiceisanofficialaccount.Afterfollowingit，userscanstarttext­basedconversationswithXiaoice.“HerincrediblelearningabilitywaswhypeoplelovedtotalkwithXiaoice，”LiuJincbang，aresearcheratHigh­techResearchandDevelopmentCenterundertheMinistryofScienceandTechnology，toldChinaDaily.Apartfromherabilitytoidentifyphotosandsendemojis(表情符号)inconversations,Xiaoicegains45percentofherknowledgefrominteractingwithusers，ChinaDailyreported.Chatbotprogramsfirstappearedinthemid­1960sintheUS.Drivenbytoptechpanies，theyarebeingsmarterandmoremon.Forinstance，IBM'slatestartificialintelligenceprogramservedasanacademicconsultantatAustralia'sDeakinUniversity，answeringstudents'questionsaboutcourseschedulesandfinancialaid.Apple'sSiriandAmazon'sAlexahavebeenusedasvoiceassistantswhocanreadnews，playmusicandevenmakejokesfortheirusers.Theseprogramsareexpectedtomovebeyondsmartphones，intotelevisions，carsandlivingrooms，TheNewYorkTimespointedout.However，itmaytakedecadesbeforescientistsdevelopa“Samantha”，theadvancedehatbotseeninthefictionfilmHer.Inthefilm，SamanthasparksaromanticrelationshipwithheruserplayedbyUSactorJoaquinPhoenix.Manyviewerswereenthusiasticaboutthisfantasyofvirtualsoulmates.【语篇解读】本文介绍了人工智能程序的发展情况，列举了微信上的聊天程序大受欢迎、IBM的人工智能程序能成为顾问等例子。但是目前这种程序主要应用在智能上，人们期待它将来可以在以外的地方使用。1．WhatdoestheunderlinedpartinParagraphTwomean?A．Shebecameabestseller.B．Shebecameverypowerful.C．Shebecameamoneymaker.D．Shebecameverypopular.D[句意理解题。根据第二段的“MillionsofyoungChinesenowexchangemessageswithherdaily...”可知，“她”在微信上大受欢迎，很多中国年轻人都喜欢与“她”聊天。故选D。]2．WhichofthefollowingcanXiaoicedo?A．Dohousework.B．Spreadmessages.C．Identifyvariousphotos.D．Readnewstoitsusers.C[细节理解题。根据第三段最后一句中的“herabilitytoidentifyphotosandsendemojis”可知，她有能力分辨照片和发送表情符号。故选C。]3．Whichpany'schatbotprogramcanactasanacademicconsultant?A．Microsoft. B．IBM.C．Apple. D．Amazon.B[细节理解题。根据第四段的“...IBM'slatestartificialintelligenceprogramservedasanacademicconsultant...”可知，IBM的最新人工智能程序可以作为学术顾问。故选B。]4．Whatcanbelearnedfromthelastparagraph?A．Chatbotsmainlyrunonsmartphonesnow.B．It'lltakedecadestoapplychatbotstocars.C．SamanthaisplayedbyaUSactorinthefilm.D．ThefilmHerdoesn'tinterestmanyaudience.A[推理判断题。根据最后一段第一句可知，目前人工智能程序主要应用在智能上。故选A。]BTheeventualextinctionofthelargeprehistoricanimalshasalwaysattractedresearchers.However,itisimpossibletorecreatemostofthem,eitherbecausethefossilized(变成化石的)DNAistooold(dinosaur)orjustnotavailable.Buttheoneexceptionmaybethewoollymammoth,whichlivedabout8，000yearsago.Thankstotheirrelativelyrecentdisappearanceandtheice­coldweathertheylivedin,plentyofwell­preservedspecimens(标本)havebeendiscovered.Inthelastfewyears，scientistshavebeenabletopiecetogetherthemammal'sgeneticcode(遗传密码)usingsomefrozenhairandalsorecreateitsblood,withthehelpofDNAthatwasfoundpreservedinthebone.Now,agroupofJapanesescientistswanttotakeitonestepfurtherandbringthemammothbacktolife.TheteamofscientistsplantostartwithajourneytoSiberiathissummer，toseekouttheDNAfromaflash­frozenspecimenofthemammal.Incasetheyareunabletofindone，theywillusethetissueofapreservedmammoththatcurrentlysitsinaRussianlaboratory.Thescientistswilljointhemammoth'sDNAwithanemptyeggofthemammoth'sclosestpresent­dayrelative—theelephant.Then,byusinganelectriccurrent，theywilltricktheeggintogrowinganddividing.Afterafewdays，theresearcherswillputitinsideafemaleelephant，whichwillactasasurrogatemother(代孕母亲)．Thenbeginsthewaitinggame—forittakesabout600days，foranelephantorinthiscaseawoollymammothbaby，tofullydevelop—thatis，ifeverythinggoeswellandthesurrogatemotherdoesn'trejecttheegg.Ifluckilywedogetababymammoth，scientistsarenotsureiftheywouldproducemore,buttheyarehopingtheywillbeabletostudyitandanswertheage­oldquestionofhowtheybecameextinct—weretheyhunteddownbyhumansordidtheydiebecauseofclimatechange?Willthewoollymammothebacktolife?Wehavetowaitandsee.【语篇解读】本文是说明文。日本的科学家正在尝试克隆猛犸象，企图复活这一史前庞然大物。5．Theremainsofthewoollymammotharekeptwellpartlydueto．A．theirlonghair B．theirbigsizeC．thecoldness D．humanactivityC[细节理解题。由第二段中的“theice­coldweathertheylivedin，plentyofwell­preservedspecimenshavebeendiscovered”可知，猛犸象生活的地域气候寒冷，这使得它们的遗骸保存得比较完好。]6．WhydotheJapanesescientistsplantogotoSiberia?A．TofindsuitableDNA.B．Topreservethespecimen.C．Torecreatethemammoth'sblood.D．ToseekhelpfromtheRussianscientists.A[细节理解题。由第三段中的“toseekouttheDNAfromaflash­frozenspecimenofthemammal”可知，科学家去西伯利亚是要找到合适的猛犸象DNA。]7．Thefourthparagraphmainlydealswith．A．thefutureoftheclonedmammothB．theprocessofcloningthemammothC．thedifficultythescientistsarefacedwithD．therelationbetweenthemammothandtheelephantB[段落大意题。由第四段中的“jointhemammoth'sDNAwithanemptyegg...Then，byusinganelectriccurrent...Afterafewdays”可知，本段介绍了科学家克隆猛犸象将会实施的步骤。]8．Ifthescientists'effortspayoff,wearemostlikelyto．A．clonealotofmammothsB．bringdinosaursbacktolifeC．knowtheeffectsofclimatechangeD．findoutwhythemammothdiedoutD[细节理解题。由倒数第二段中的“buttheyarehopingtheywillbeabletostudyitandanswertheage­oldquestionofhowtheybecameextinct”可知，如果克隆成功，科学家可以通过研究猛犸象宝宝来探究猛犸象灭绝背后的原因。]Ⅱ.短文改错Oneday,somechildrenwereplayinghide­and­seekwhiletheyheardaboynamesTateshouting.“Help！Thegoldenlionisingafterme！”TheygorunningtohelpTate，onlyfindhimlaughingontheground.Onechildsaid，“Youshouldn'tdothat.Ifyouarerealintrouble,nobodywilletohelpyou.”Inarainyday，Tateshoutedagain，“TheriverisfloodingandIcan'tswim.Help！”Thechildrendidn'tbelieveherthistime.Butagirlsaweverythingandca