2020-2021学年译林版英语选修7课时分层作业2 Unit 1含解析

学必求其心得，业必贵于专精学必求其心得，业必贵于专精学必求其心得，业必贵于专精2020-2021学年译林版英语选修7课时分层作业2Unit1含解析课时分层作业（二)［语言知识练习固基础］单句语法填空1．Theyarestandingthere，talkingabouttheelectronic（electron）goods.2．Foryourselection,wearesendingyoualistoftheitemswhichmightbesuitableforyourmarketrequirements。3．Sheisdeterminedtofinishthetranslation（translate)nextweek.4．SearchthewebsiteoftheFireDepartmentinyourcity，andyouwilllearnalotaboutfirefighting.5．Youhavetoanswerforanyerrorsinthecalculations。6．Hegaveusacasualglanceashewalkedby，buthedidn’tstop。7．Itisobviousthattheycan’tunderstandthemeaningofthesewords。8．MrsBrownwasmuchdisappointedtoseethewashingmachineshehadhadrepaired（repair）wentwrongagain。9．Itwasagoodconcert—Ienjoyedthelastsonginparticular.10．Sheisverybusyeveryday，butshedresseswithcasualelegance（elegant）．［高考题型练习提能力]Ⅰ。阅读理解Forthousandsofyears，wehavelookedforwaystomeasuretime.Earlyhumansfoundthattheregularmovementsofthesun，theearth，themoon,andthestarsmadegoodwaystomeasuretime.Therisingandsettingofthesunwereusedtodistinguish（辨别)dayfromnight.But，eventually，peopleneededtotelltimemoreaccurately，orexactly.So，byusingthesun’spositioninthesky，theydividedthedayintodawn，morning，middayandevening.Thenitwasnotedthatthesuncastachangingshadowasitmovedacrossthesky.Timecouldbetoldmoreaccuratelybysettingupastickandmarkingthepositionsofthesun'sshadow.ItwastheancientGreekswhodividedeachpositionofthis“sundial(日晷）”intohours.Butthesundoesn'talwaysshine.So，forthepast6，000years，manyotherwaysofkeepingtimehavebeentried。Slow­burningcandlesweredividedintohours，andthehourglasswasinvented。Whenallthesandinthetopofanhourglasshasshiftedtothebottom，anhourhaspassed.Later，thependulum(摆钟），withitsregularback。and­forthmovementofweights，wasusedtomovethehandsonaclock。Pendulumsarestillusedingrandfatherclocks.Today，evenmoreaccurateclocksareinuse,suchasbattery。operatedquartzclocks（石英钟）,digitalclocks,andclocksrunbyelectricaltuningforksandtinyatoms.Theseatomicclocksarethemostaccurateclockseverinvented。Theexacttimecanbekepttowithin1secondacentury。【语篇解读】本篇文章主要讲述了人类计量时间方式的发展历史。1．Humansintheolddaysused________totelldayfromnight.A．therisingandsettingofthesunB．battery.operatedquartzclocksC．atomicclocksD．digitalclocksA[细节理解题.由第一段最后一句“Therisingandsettingofthesunwereusedtodistinguishdayfromnight.”可知，应选A。］2．Asundialworksby________。A．trackingthemovementofthestarsaroundthesunB．markingashadowcastbythemovingsunC．burningcandlesinthesunlightD．watchingthestarsB[细节理解题。由第三段第一句“Thenitwasnotedthatthesuncastachangingshadowasitmovedacrossthesky。”可知，应选B项。］3．WhichofthefollowingwasNOTusedinthepasttomeasuretime？A．Anhourglass. B．Asundial.C．Digitalclocks。 D．Apendulum。C［推理判断题。由最后一段第一句“Today，evenmoreaccurateclocksareinuse,suchasbattery.operatedquartzclocks(石英钟)，digitalclocks，andclocksrunbyelectricaltuningforksandtinyatoms.”可知，数字钟是现代的产物，古代没有，故选C。］4．Whichofthefollowingwaysofmeasuringtimeisorderedfromtheleastaccuratetothemostaccurate？A．Sundial，pendulum，sun。B．Atomicclock，quartzclock，sundial。C．Sun，pendulum，atomicclock。D．Digitalclock，hourglass，slow。burningcandles.C［细节理解题。根据文中各种计量时间的方法出现的顺序可知，应选C。］Ⅱ。完形填空Averytiredtravelercametothebankofariver.Therewasno__1__。Itwaswinter，andthesurfaceoftheriverwascoveredwith__2__。Itwasgettingdark,andhewantedtoreachtheothersidewhiletherewasenough__3__。Ontheotherhand,heworriedalot，notsurewhethertheicewould__4__hisweight。Eventually，hegotdownonhiskneesandbeganvery__5__tocrawl(爬)acrossthesurfaceoftheiceafterhesitating（犹豫）foralongtime。Hehopedthatbydistributing（分散）the__6__ofhisbody,theicewouldbeunlikelytobreakundertheload。Afterhemadehis__7__andpainfuljourneyabouthalfwayacrosstheriver，hesuddenlyheardthesoundof__8__behindhim。Outofthedusk,therecamea4。horseloadofcoaldrivenbyamansinginghappily__9__hewenthishappyway.Herewasthetraveler，fearfullycrawlinghiswayonhishandsandknees.Andthere，asifwhisked（挥动)alongbythewinter’swind,wentthe__10__,hishorses，hissled，andtheheavyloadofcoaloverthesameriver!Thestoryshowshowmanyofus__11__life.Somepeoplecrawlthroughlifeforfearofthinice。Their__12__isnotstrongenoughtoholdthemup.Stilltherearethosewhosingastheygo.Theirfaithis__13__。Whenwefacetheriverof__14__，wedon'thavetofear，nordowecrawlthroughlife。Withdetermination，courageandoptimism,wecanhappilymakeourwaytotheother__15__successfully。【语篇解读】本文主要告诉我们要有决心、信心、乐观的精神，站起来生活。1．A。bridge B．waterC．road D．stationA［根据下文爬冰过河可知，这里没有桥.］2．A。snow B．iceC．smoke D．airB［根据第一段最后一句theice可知B为正确选项。]3．A。light B．timeC．power D．strengthA[根据文章可知天快黑了，他想趁还有光线的时候到达河对岸。light光线，光亮，符合题意.]4．A.admit B．controlC．lose D．supportD［他不知道冰能否承受他的重量。admit承认；control控制；lose失去;support支持。]5．A。quickly B．happilyC．cautiously D．freelyC［他跪下来，开始小心地在冰面上爬。］6．A.weight B．shapeC．height D．directionA[他希望通过分散身体的重量，冰就不会破碎。]7．A。brave B．strangeC．joyful D．slowD［在经过了缓慢而又痛苦的一半旅程之后.］8．A。laughing B．waterC．wind D．singingD［根据下句“therecamea4.horseloadofcoaldrivenbyamansinginghappily"可知D为正确选项。］9．A.before B．asC．for D．butB[根据句意可知他一边行进一边高兴地唱着歌。as意为“一边……一边”.]10．A。manager B．visitorC．driver D．passengerC［根据文章可知驾车的人、他