练习19单句改错+阅读理解含解析

练习19单句改错＋阅读理解Ⅰ.单句改错(定语从句和状语从句)1．BeforeIcouldsayanything,shesmiledatmeandsaidshewantedtotakemetoanotherplacewherewasspecialtoher.________________2．Buttherearesomeamonguswhicharereadytogiveupwhentheycometoahardexampleinmathematics.________________3．Theoriginalhamburgercanbetracedbacktothemiddleages,whichRussiansaterawmeatthatwascutintosmallpiecesandformedintoasmallroundflatshape.________________4．IledthemtothenearbybusstopandtoldthemtotakeBusNo.305,thatcouldtakethemtheredirectly.________________5．Therewasatimewhilemisunderstandingoccuredbetweenmyfriendandme,andwequarreledterriblyatthattime.________________6．Hetoldmethatmygoldfishwoulddiethoughtheycouldn'tadapttotheenvironmentinthewild.________________7．Ididn'tbegintolikeourhouseparentswhensomethinghappenedonenight.________________8．Itisalongtimesincetheyseparated,butitwon'tbelongwhentheymeetagain.________________9．Hesaid,“Iwasinthekitchenwithmywifeandchildrenwhileweheardaloudnoise.”________________10．Youshouldn'tspendyourtimeinplayingcomputergamesevenyouhavefinishedyourhomework.________________Ⅱ.阅读理解A2020·湖南名校联考说明文295词★★☆☆☆Youmayhaveheardadultssaytheyareuncomfortableinthemorningwithoutacupofcoffee.Onereasontheymayfeelthatwayisthatcoffeecontainscaffeine(咖啡因).Caffeineoccursnaturallyincoffee,tea,andcocoabeans,whichareusedtomakechocolate.Butnowfoodmakersareaddingittomanyproducts,frompotatochipstowater.TheU.S.governmentisespeciallyworriedabouttheproblem.That'swhytheFoodandDrugAdministration(FDA)isstudyingthehealtheffectsofcaffeineonyoungpeople.Studiesshowthattoomuchcaffeinecanmakepeoplenervousandunabletosleep.What'smore,caffeineishabit­forming.Thosewhoconsumeitregularlyandstopsuddenlymayexperienceheadachesandfeeltired.Oneofthebiggestconcernsisthelargeamountofcaffeineaddedtoso­calledenergydrinks,likeRedBull.A12­ouncecanofcolahasabout35milligramsofcaffeine.AsimilarservingofRedBullcontainsmorethanthreetimesthatamount.TheInstituteofCompaniesthatmakeproductswithaddedcaffeineclaimtheydonotadvertisethemtoteenagers.However,thereisnolawtostopteenagersfrombuyingthem.SotheFDAneedstosetlimitsoncaffeine,especiallyinenergydrinks.Asforaddedcaffeineinfood,thegovernmentshouldjustsayno.Ifnot,theamountofcaffeineshouldbeprintedonfoodlabelstoremindconsumers.Thegovernmentmustdothat.Doctorssayteenagersshouldavoidcaffeine.Ifyouneedextraenergy,trythesenaturalboosters:eatright,exercise,andgetplentyofsleep.1．WhatistheU．S.governmentparticularlyconcernedabout?A．Thefactthatcoffeecontainscaffeine.B．Thepracticeofaddingcaffeinetofood.C．Themeasuresofavoidingcaffeine'seffects.D．Thepracticeofusingcaffeinetomakechocolate.2．WhyisRedBullmentionedinParagraph3?A．Toshowuscaffeine'seffectsonhealth.B．Totellusaboutteenagers'addictiontocaffeine.C．Toshowadrinkwhichcontainsmuchcaffeine.D．Toshowpeople'sconcernaboutteenagers'health.3．WhatisParagraph5mainlyabout?A．Themeasuresofprotectingteenagersfromcaffeine'seffects.B．Theprocessofthegovernment'scontrollingtheuseofcaffeine.C．Thegovernment'sresponsibilityoftakingcareofteenagers.D．Theriskofbuyingproductscontainingcaffeinenowadays.4．Theauthormayagreethat________.A．headachesandfeelingtiredarecommoninteenagersB．foodmakersaddmuchcaffeinetomanyproductsnowC．caffeineisgoodandusefulforteenagers'studyD．gettingenoughsleepcanmakepeopleenergeticB2020·河南联盟调研说明文282词★★☆☆☆Sleepinginisoneofthebestpartsoftheweekend.Afteralong,exhaustingworkweek,sometimesallyouwanttodoissleep.On_Friday_night,_you_slide_under_the_covers,_smiling_in_anticipation.Nowyoucanfinallycatchuponyoursleep.Exceptyoucan't.WhenyouopenyoureyesonSaturdaymorning,it'sstillearly.Ifthiswereaweekday,you'dbeupbeforeyouralarmgoesoff.Sowhat'sthedeal?Wehatetobreakittoyou,butyou'veprettymuchdonethistoyourself.Yourbodyisverygoodatrecognizingpatternsandadjustingaccordingly.Ifyou'vegotanine­to­fivejob,you'regettingupearlyfivedaysaweek.Thiseffectivelysetsyourbodyclocktowakeyouupatacertaintimeeachday.Youcanshutoffyouralarmclock,butyourbodyclockwilljustkeepticking.There'sanotherreasonthatyouprobablydon'twanttothinkabout:You'rejustnotasyoungasyouusedtobe.Weneedlesssleepaswegetolder.Babiesneedbetween16and20hours.Teenagersshould(butoftendon't)getninehoursanight.Youngerandmiddle­agedadultsneedeighthours.Ingeneral,theolderyouget,theharderitistosnoozethedayaway.Evenifyoudomanagetosleepin,youmayneverfullycatchuponyoursleep.IfyourbodyneedseighthourseverynightandyouonlygetsixorsevenfromMondaytoFriday,you'dhavetosleepanextrafivetotenhoursonSaturdaytomakeitup.Andexpertssayeventhatmaynotbeenough.Thebottomline:Sleepwhenyoucan,andenjoythoseextraweekendmorninghours.Whodoesn'twantalongerweekend?5．WhatdoestheunderlinedsentencemeaninParagraph1?A．YouknowthatyouwilloversleeponSaturdaymorning.B．Youneedn'tgetupearlyonSaturdaymorning,soyouwillhaveabettersleep.C．Sinceyoudon'tworkonSaturday,youneedn'tgotobedasusual.D．Youknowthateventhoughyouneedn'tgetupearlyonSaturdaymorning,youwillwakeasusual.6．WhatcanwelearnfromParagraph3?A．Ifyouhaveanine­to­fivejob,youarelikelytodevelopaflexiblebodyclock.B．Onceyouhavesetyourbodyclock,itisnoteasytochangeit.C．Theauthorwillnotbreakthepattern,butyouwilldoityourself.D．Ifyouadjustyourbodyclockaccordingly,youarehealthy.7．Whichofthefollowingisthereasonwhyyoucan'tsleepinonweekends?A．Youarenotwillingtoadmitthatyouareold.B．Youneedtorelaxonweekends.C．Yourbodyclockstillworksonweekends.D．Youcannevergetenoughsleep.8．Whichofthefollowingisthebesttitleforthepassage?A．WhyCan'tISleepinonWeekendsAnymore?B．WhyCan'tICatchuponMySleep?C．HowtoTurnoffMyBodyClockonSaturdays?D．HowtoGetMoreSleeponSaturdayMornings?黄金考点短文改错——介词考点35介词的基本用法考例Attheendofourtrip,ItoldmyfatherthatIplannedtoreturnforeverytwoyears.[2018·全国卷Ⅰ]点拨everytwoyears独立作状语，表示频率，不表示时间，其前不用表示时间的介词，故去掉介词for。考点36介词用于固定搭配考例ItwasareliefandIcametoasuddenstopjustinthemiddleontheroad.[2017·全国卷Ⅰ]点拨inthemiddleof...“在……的中间”，为固定短语，故把on改成of。练习19单句改错＋阅读理解Ⅰ.单句改错(定语从句和状语从句)1．答案与解析：where→that/which先行词place指物，且关系词在从句中作主语，定语从句用that或which引导，故把where改成that或which。2．答案与解析：which→who/that先行词some指“我们中的一些人”，且关系词在从句中作主语，故用关系代词who或that引导定语从句。3．答案与解析：which→when先行词themiddleages指时间，且关系词在从句中作时间状语，非限制性定语从句用when引导，故把which改为when。4．答案与解析：that→which先行词BusNo.305指物，且关系词在从句中作主语，故应用which引导非限制性定语从句，故把that改成which。5．答案与解析：while→whenTherewasatimewhen...为一个固定句型。其中，when引导定语从句，故把while改成when。6．答案与解析：though→if根据语意可知，应用if引导条件状语从句，意为“是否”，故把though改成if。7．答案与解析：when→until此处是“not...until”固定句型，故把when改成until。8．答案与解析：when→beforeItwon'tbelongbefore...为一个固定句型。其中，before引导时间状语从句，故把when改成before。9．答案与解析：while→whenwhile与进行时态连用，由heard可知，应把while改成when。10．答案与解析：even后加if/thoughevenif/though引导让步状语从句，故在even后边加上if或though。Ⅱ.阅读理解A【语篇解读】本文是一篇说明文。咖啡、茶和可可豆里通常含有咖啡因，但是现在食品制造商也在很多产品中添加咖啡因。美国政府对此深感担忧，并正对此采取控制措施。1．答案与解析：B细节理解题。根据第二段第一句可知，其中的theproblem指代第一段最后一句“Butnowfood