北師大版英語(yǔ)選修7課時(shí)分層作業(yè)6Unit20

課時(shí)分層作業(yè)(六)[語(yǔ)言知識(shí)練習(xí)固基礎(chǔ)]Ⅰ.單句語(yǔ)法填空1．Ourneighboursgaveusababybirdyesterdaythathurtitself(it)whenitfellfromitsnest.2．Itnowhas20，000hectaresofland，morethantwo-thirdsofwhichareundercultivation.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．這個(gè)人頭枕著胳膊睡著了。Themanwasasleepwithhisheadonhisarms．2．他寧愿坐飛機(jī)而不愿坐火車。Hepreferredtoflyratherthantravelbytrain．3．她的行為足以斷言她是一個(gè)誠(chéng)實(shí)的女人。Heractiondeclaredhertobeanhonestwoman．4．不許任何人不執(zhí)行命令！NoPartymemberispermittedtodisobeyorders!5．由于一只腳踝扭傷，他退出了比賽。Hedroppedoutoftheracebecauseofasprainedankle.[高考題型練習(xí)提能力]Ⅰ.閱讀理解AYouuseherasashouldertocryon.Shetextsyoubackwithcasualjokes.Butshe，Xiaoice，isonlyavirtualchatbot.Xiaoice，Microsoft'slatestartificialintelligencerobot，wasbrieflyreleasedin2014，andreturnedtoWeChatin2015，whereshebecameabighit．MillionsofyoungChinesenowexchangemessageswithherdaily，TheNewYorkTimesreported.OnWeChat，Xiaoiceisanofficialaccount.Afterfollowingit，userscanstarttext-basedconversationswithXiaoice.“HerincrediblelearningabilitywaswhypeoplelovedtotalkwithXiaoice，”LiuJincbang，aresearcheratHigh-techResearchandDevelopmentCenterundertheMinistryofScienceandTechnology，toldChinaDaily.Apartfromherabilitytoidentifyphotosandsendemojis(表情符號(hào))inconversations,Xiaoicegains45percentofherknowledgefrominteractingwithusers，ChinaDailyreported.Chatbotprogramsfirstappearedinthemid-1960sintheUS.Drivenbytoptechpanies，theyarebeingsmarterandmoremon.Forinstance，IBM'slatestartificialintelligenceprogramservedasanacademicconsultantatAustralia'sDeakinUniversity，answeringstudents'questionsaboutcourseschedulesandfinancialaid.Apple'sSiriandAmazon'sAlexahavebeenusedasvoiceassistantswhocanreadnews，playmusicandevenmakejokesfortheirusers.Theseprogramsareexpectedtomovebeyondsmartphones，intotelevisions，carsandlivingrooms，TheNewYorkTimespointedout.However，itmaytakedecadesbeforescientistsdevelopa“Samantha”，theadvancedehatbotseeninthefictionfilmHer.Inthefilm，SamanthasparksaromanticrelationshipwithheruserplayedbyUSactorJoaquinPhoenix.Manyviewerswereenthusiasticaboutthisfantasyofvirtualsoulmates.【語(yǔ)篇解讀】本文介紹了人工智能程序的發(fā)展情況，列舉了微信上的聊天程序大受歡迎、IBM的人工智能程序能成為顧問(wèn)等例子。但是目前這種程序主要應(yīng)用在智能上，人們期待它將來(lái)可以在以外的地方使用。1．WhatdoestheunderlinedpartinParagraphTwomean?A．Shebecameabestseller.B．Shebecameverypowerful.C．Shebecameamoneymaker.D．Shebecameverypopular.D[句意理解題。根據(jù)第二段的“MillionsofyoungChinesenowexchangemessageswithherdaily...”可知，“她”在微信上大受歡迎，很多中國(guó)年輕人都喜歡與“她”聊天。故選D。]2．WhichofthefollowingcanXiaoicedo?A．Dohousework.B．Spreadmessages.C．Identifyvariousphotos.D．Readnewstoitsusers.C[細(xì)節(jié)理解題。根據(jù)第三段最后一句中的“herabilitytoidentifyphotosandsendemojis”可知，她有能力分辨照片和發(fā)送表情符號(hào)。故選C。]3．Whichpany'schatbotprogramcanactasanacademicconsultant?A．Microsoft. B．IBM.C．Apple. D．Amazon.B[細(xì)節(jié)理解題。根據(jù)第四段的“...IBM'slatestartificialintelligenceprogramservedasanacademicconsultant...”可知，IBM的最新人工智能程序可以作為學(xué)術(shù)顧問(wèn)。故選B。]4．Whatcanbelearnedfromthelastparagraph?A．Chatbotsmainlyrunonsmartphonesnow.B．It'lltakedecadestoapplychatbotstocars.C．SamanthaisplayedbyaUSactorinthefilm.D．ThefilmHerdoesn'tinterestmanyaudience.A[推理判斷題。根據(jù)最后一段第一句可知，目前人工智能程序主要應(yīng)用在智能上。故選A。]BTheeventualextinctionofthelargeprehistoricanimalshasalwaysattractedresearchers.However,itisimpossibletorecreatemostofthem,eitherbecausethefossilized(變成化石的)DNAistooold(dinosaur)orjustnotavailable.Buttheoneexceptionmaybethewoollymammoth,whichlivedabout8，000yearsago.Thankstotheirrelativelyrecentdisappearanceandtheice-coldweathertheylivedin,plentyofwell-preservedspecimens(標(biāo)本)havebeendiscovered.Inthelastfewyears，scientistshavebeenabletopiecetogetherthemammal'sgeneticcode(遺傳密碼)usingsomefrozenhairandalsorecreateitsblood,withthehelpofDNAthatwasfoundpreservedinthebone.Now,agroupofJapanesescientistswanttotakeitonestepfurtherandbringthemammothbacktolife.TheteamofscientistsplantostartwithajourneytoSiberiathissummer，toseekouttheDNAfromaflash-frozenspecimenofthemammal.Incasetheyareunabletofindone，theywillusethetissueofapreservedmammoththatcurrentlysitsinaRussianlaboratory.Thescientistswilljointhemammoth'sDNAwithanemptyeggofthemammoth'sclosestpresent-dayrelative—theelephant.Then,byusinganelectriccurrent，theywilltricktheeggintogrowinganddividing.Afterafewdays，theresearcherswillputitinsideafemaleelephant，whichwillactasasurrogatemother(代孕母親)．Thenbeginsthewaitinggame—forittakesabout600days，foranelephantorinthiscaseawoollymammothbaby，tofullydevelop—thatis，ifeverythinggoeswellandthesurrogatemotherdoesn'trejecttheegg.Ifluckilywedogetababymammoth，scientistsarenotsureiftheywouldproducemore,buttheyarehopingtheywillbeabletostudyitandanswertheage-oldquestionofhowtheybecameextinct—weretheyhunteddownbyhumansordidtheydiebecauseofclimatechange?Willthewoollymammothebacktolife?Wehavetowaitandsee.【語(yǔ)篇解讀】本文是說(shuō)明文。日本的科學(xué)家正在嘗試克隆猛犸象，企圖復(fù)活這一史前龐然大物。5．Theremainsofthewoollymammotharekeptwellpartlydueto．A．theirlonghair B．theirbigsizeC．thecoldness D．humanactivityC[細(xì)節(jié)理解題。由第二段中的“theice-coldweathertheylivedin，plentyofwell-preservedspecimenshavebeendiscovered”可知，猛犸象生活的地域氣候寒冷，這使得它們的遺骸保存得比較完好。]6．WhydotheJapanesescientistsplantogotoSiberia?A．TofindsuitableDNA.B．Topreservethespecimen.C．Torecreatethemammoth'sblood.D．ToseekhelpfromtheRussianscientists.A[細(xì)節(jié)理解題。由第三段中的“toseekouttheDNAfromaflash-frozenspecimenofthemammal”可知，科學(xué)家去西伯利亞是要找到合適的猛犸象DNA。]7．Thefourthparagraphmainlydealswith．A．thefutureoftheclonedmammothB．theprocessofcloningthemammothC．thedifficultythescientistsarefacedwithD．therelationbetweenthemammothandtheelephantB[段落大意題。由第四段中的“jointhemammoth'sDNAwithanemptyegg...Then，byusinganelectriccurrent...Afterafewdays”可知，本段介紹了科學(xué)家克隆猛犸象將會(huì)實(shí)施的步驟。]8．Ifthescientists'effortspayoff,wearemostlikelyto．A．clonealotofmammothsB．bringdinosaursbacktolifeC．knowtheeffectsofclimatechangeD．findoutwhythemammothdiedoutD[細(xì)節(jié)理解題。由倒數(shù)第二段中的“buttheyarehopingtheywillbeabletostudyitandanswertheage-oldquestionofhowtheybecameextinct”可知，如果克隆成功，科學(xué)家可以通過(guò)研究猛犸象寶寶來(lái)探究猛犸象滅絕背后的原因。]Ⅱ.短文改錯(cuò)Oneday,somechildrenwereplayinghide-and-seekwhiletheyheardaboynamesTateshouting.“Help！Thegoldenlionisingafterme！”TheygorunningtohelpTate，onlyfindhimlaughingontheground.Onechildsaid，“Youshouldn'tdothat.Ifyouarerealintrouble,nobodywilletohelpyou.”Inarainyday，Tateshoutedagain，“TheriverisfloodingandIcan'tswim.Help！”Thechildrendidn'tbelieveherthistime.Butagirlsaweverythingandca