小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.com练习58短文改错+阅读理解Ⅰ.短文改错2021·包头四中月考★★★☆☆IbegandivingsinceIwasabout12.IactuallearnedtodiveinmyhometownwhenIwasinholiday.Myparentswentthereexploretheundergroundlakes.MybrotherandIaresittingaroundonthebeach,gettingbored,sowetookadivingcourse.Thenwedidourfirstdiveinthe“easy”lakeswhilemyparentwereexploringthedangerousplaces.Itwasn'tdeeplyundergroundandthesunwasbeingshininginthroughanopeningintheroofofthecave.Itwasreallycalmbutbeautiful.Ifeltlikestayinghereallday!Ⅱ.阅读理解A2021·浙江卷1月议论文300词★★★★☆Atthestartofthe20thcentury,anAmericanengineernamedJohnElfrethWatkinsmadepredictionsaboutlifetoday.Hispredictionsaboutslowingpopulationgrowth,mobilephonesandincreasingheightwereclosetothemark.Buthewaswronginoneprediction:thateverybodywouldwalk10milesaday.Today,inAustralia,mostchildrenonaveragefall2,000stepsshortofthephysicalactivitytheyneedtoavoidbeingoverweight.Intheearly1970s,40percentofchildrenwalkedtoschool,whilein2010,itwasaslowas15percent.Thedeclineisnotbecausewehaveallbecomelazy.Familiesarepressedfortime,manywithbothparentsworkingtopayfortheirhouse,oftenworkinghoursnotoftheirchoosing,livingincardependentneighborhoodswithlimitedpublictransport.Theothersideofthecoinisequallyadeprivation:forhealthandwellbeing,aswellaslostopportunities(机会)forchildrentogettoknowtheirlocalsurroundings.Andforparentstherearelostopportunitiestowalkandtalkwiththeiryoungscholarabouttheirday.Mostparentswillhaveeagerlyaskedtheirchildabouttheirday,onlytomeetwitha“good”,quicklyfollowedby“I'mhungry”.Thisisalsomyexperienceasamother.Butsomewhereoverthedailywalkmoreaboutmyson'sdaycomesout.Ihearhimmakingsenseoffriendshipanditslimits.Thisistheunexpectedandrareparentalopportunitytohearmore.Manyprimaryschoolssupportwalkingschoolbusroutes(路线),withdaysofregular,parent-accompaniedwalks.Doingjustoneoftheseafewtimesaweekisbetterthannothing.Itcanbetoughtobeginandtakesalittleplanning—runningshoesbythefrontdoor,lunchesmadethenightbefore,umbrellasonrainydaysandhatsonhotones—butit'scertainlyworthtrying.1.WhydoestheauthormentionWatkins'predictionsinthefirstparagraph?A.Tomakecomparisons.B.Tointroducethetopic.C.Tosupportherargument.D.Toprovideexamples.2.WhathascausedthedecreaseinAustralianchildren'sphysicalactivity?A.Plainlaziness.B.Healthproblems.C.Lackoftime.D.Securityconcerns.小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.com小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.com3.Whydoestheauthorfindwalkingwithhersonworthwhile?A.Shecangetrelaxedafterwork.B.Shecankeepphysicallyfit.C.Shecanhelpwithherson'sstudy.D.Shecanknowhersonbetter.B全国卷Ⅰ说明文307词★★★★☆Asdataandidentitytheftbecomesmoreandmorecommon,themarketisgrowingforbiometric(生物测量)technologies—likefingerprintscans—tokeepothersoutofprivateespaces.Atpresent,thesetechnologiesarestillexpensive,though.ResearchersfromGeorgiaTechsaythattheyhavecomeupwithalowcostdevice(装置)thatgetsaroundthisproblem:asmartkeyboard.Thissmartkeyboardpreciselymeasuresthecadence(节奏)withwhichonetypesandthepressurefingersapplytoeachkey.Thekeyboardcouldofferastronglayerofsecuritybyanalyzingthingsliketheforceofauser'stypingandthetimebetweenkeypresses.Thesepatternsareuniquetoeachperson.Thus,thekeyboardcandeterminepeopl...