Unit5NelsonMandela-amodernheroSectionⅢLearningaboutLanguage&UsingLanguage即时训练Ⅰ.单词拼写1．Atthattimehiswifeandchildrenhadtobegforfoodfromrelativesorfriends.2．WhenHitlercametopower，Einsteinhadtoleavehismotherland.3．Atigerescapedfromitscageinthezoolastweek.4．ThebeatingsandthecrueltyoftheguardshadadeepeffectonElias.5．Thegirlcriedinterrorwhenshesawasnake.6．BarackObamawaselectedPresidentoftheUSAin2008.7．Hewasinvolvedinabankrobberyandwassentencedtothreeyearsinprison.8．Inmyopinion(见解)，watchingTVisawasteoftime.9．A$100reward(奖赏)hasbeenofferedforthereturnofthenecklace.10．Sheisahighlyeducated(受过教育的)woman，sosheiswellreceivedbythestudents.Ⅱ.单句语法填空1．Mymotherisaselfless(self)woman，whooftenhelpsthosefacedwithdifficulties.2．Itishopedthattheproblemwillbesolvedinapeaceful(peace)way.3．Mandelawasoncealawyer(law)，whomthepooroftenaskedforadvice.4．Underhisfather'sguidance(guide)，Peterhadmadegreatprogressinhisstudy.5．Accordingtothelaw，womenshallenjoytheequality(equal)inrightstovoteinourcountry.6．Hebecamealegal(illegal)consultant.7．Buttheleaderweretruelydevoted(devote)topeace.8．Hefounded(found)thecompanytwoyearsago.9．But，onpresenttrends，thingsdo，indeed，lookhopeful(hope)．10．It'ssounfair(fair)—shegetsmoremoneyforlesswork!Ⅲ.阅读理解Thebabyisjustonedayoldandhasnotyetlefthospital.Sheisquietbutalert(警觉)．Twentycentimetersfromherfaceresearchershaveplacedawhitecardwithtwoblackspotsonit.Shestaresatitcarefully.Aresearcherremovesthecardandreplacesitbyanother，thistimewiththespotsdifferentlyspaced.Asthecardschangefromonetotheother，hergaze(凝视)startstoloseitsfocus—untilathird，withthreeblackspots，ispresented.Hergazereturns：shelooksatitfortwiceaslongasshedidatthepreviouscard.Canshetellthatthenumbertwoisdifferentfromthree，just24hoursaftercomingintotheworld?Ordonewbornssimplyprefermoretofewer？Thesameexperiment，butwiththreespotsshownbeforetwo，showsthesamereturnofinterestwhenthenumberofspotschanges.Perhapsitisjustthenewness？Whenslightlyolderbabieswereshowncardswithpicturesofobjects(acomb，akey，anorangeandsoon)，changingthenumberofobjectshadaneffectseparatefromchangingtheobjectsthemselves.Coulditbethepatternthattwothingsmake，asopposedtothree？Noagain.Babiespaidmoreattentiontosquaresmovingrandomlyonascreenwhentheirnumberchangedfromtwotothree，orthreetotwo.Theeffectevencrossesbetweensenses.Babieswhowererepeatedlyshowntwospotsbecamemoreexcitedwhentheythenheardthreedrumbeatsthanwhentheyheardjusttwo；likewise(同样地)whentheresearchersstartedwithdrumbeatsandmovedtospots.[语篇解读]本文为说明文，题材为科普知识类。婴儿究竟能不能感知数量呢？科研人员对此进行了实验研究。1．TheexperimentdescribedinParagraph1isrelatedtothebaby's________．A．senseofheatingB．senseofsightC．senseoftouchD．senseofsmell解析：细节理解题。研究人员在婴儿眼前摆放带有不同数目黑点的卡片，以测试婴儿对数量的视觉反应。答案：B2．Babiesaresensitivetothechangein________．A．thesizeofcardsB．thecolourofpicturesC．theshapeofpatternsD．thenumberofobjects解析：细节理解题。根据第二段第四句可知，卡片上物品的数目而不是物品本身的变化对婴儿的视觉产生了影响。故选D项。答案：D3．Whydidtheresearcherstestthebabieswithdrumbeats?A．Toreducethedifficultyoftheexperiment.B．Toseehowbabiesrecognizesounds.C．Tocarrytheirexperimentfurther.D．Tokeepthebabies'interest.解析：推理判断题。根据最后一段倒数第二句(这种效...
