搜索
12020中考英语冲刺·阅读理解专题训练2AElephantsarethelargestlandanimalsalivetoday．Africanelephantsliveinfamilygroupscalledherds(群)．Alloftheelephantsintheherdtakecareofeachother．Theleaderoftheherdisanoldmotherelephant．Sheisthematriarch(族长)．Aherdmayhaveasfewaseightorasmanyas100elephants．Theotherelephantsfollowthematriarchbecausesheknowshowtokeepthemsafefromcomingdanger．Elephantslearnbywatchingandcopyingotherelephants,andalsolearnfromlife．Babyelephantsstaywiththeirmothersuntiltheyarefullygrownatabouttenyearsold．Elephantslivetobe50or60yearsold．Elephantsaresmartanimalswithlongmemories．Inthedryseason,amatriarchcanrememberwherewaterwasfoundinthepast．Theherdwillfollowherthere．Shecanalsorememberthesafestplaceforbabyelephantstocrossafast-movingriver．Elephantstalktoeachotherwithrumblingsounds．Somerumblingsoundsaresolowanddeepthatpeopleareunabletohearthem．Elephantshearsoundsnotonlywiththeirears,butalsowiththeirfeet,andeventrunks（longnosesoftheelephants）．Theyalsogreeteachotherbytouchingwiththeirtrunksandfeet.Ifdangerappears,mothersbeattheirearstocalltheirbabiestothem．Otheranimalsdon'tusuallyattack(攻击)elephants．However,alionmighttrytoattackasickelephantorababy．Ifthishappens,theadultelephantscirclearoundthebabyelephants．Theadultsmakeloudersoundsandhitthegroundwiththeirtrunks．Thematriarchputsherselfbetweenthelionandtheherd．Shebeatsherearsouttomakeherselflookevenlarger．Thenshelowersherherdandattackstheenemy(敌人)inabigcloudofdust(灰尘)．1．Accordingtoparagraph1，anelephantherd．A．hasafatherelephantastheleaderB．ownsamatriarchwhokeepsitawayfromdangerC．alwayshasseveralleadersandhundredsofelephants2．Longmemorieshelpelephantsto．A．choosetheirmatriarchB．communicatewitheachotherC．findwaterandcrosstheriver3．Whatdoestheunderlinedwordrumblingmean？A．低沉的B．尖细的C．高亢的4．Whydotheadultelephantscirclearoundtheirbabies？A．Tokeeptheirbabiessafe．B．Towelcometheirfriends．C．Toattacktheirenemies．5．Thepassagemainlytellsusabout．A．whytheelephantsliveinherdsB．whattheelephants'livinghabitsareC．howtheelephantsavoidbeingattackedBInventionsusuallymakeabigdifferencetopeople'slives.Doyouhaveanygreatinventionsathome?Dotheyhelpyoualotinyourlifeorbringyoumuchfun?Herearesomeofthemostusefulinventionsinfamiliesaccordingtoasurvey.2Themosthelpfulandcreativeinventionforkidsisthereadingpen.Withthespecially-designedpen,kidsfinditconvenientandfuntolearn.Littlekidscanlearnalotincludingstory-telling,poemsandmusic.Theystartlearningbytouchingthecontentsinthebookswiththepen.Thiswaykidscanlearnbythemselves.Theyarealsogreathelpersforprimaryschoolstudentsafterschool.Moppingrobots（扫地机）arepopularwithpeoplewhoaretoobusytodohousework.Theyaremorepopularwithofficeladies.Theycanhelppeoplecleandirt,dustandhaireasily.Withthehelpofthem,peopledon'tneedtospendmuchtimeonhousework.Theycanenjoyamorerelaxinglifeafterwork.Asforoldpeople,anelectricfootbasin(电动洗脚盆)isthebestinvention.It'sagoodchoicetobuyoneforyourgrandparents.Itcanhelpkeeptheirbloodpressurenormalandimprovebloodcirculation(循环).Thespecialbasincankeepthewaterhelpoldpeoplebecomehealthierandwarm.Sowashingfeetwithitwillmorerelaxed.6.Itis__________forkidstolearnwiththereadingpen.A.boringB.convenientC.difficult7.Thethreeusefulinventionsaremainlyused_______________.A.atschoolB.intheofficeC.athome8.Moppingrobotsarepopularwith_____________________.A.kidsB.officeladiesC.oldpeople9.Oldpeoplecankeeptheirbloodpressurenormalby________________.A.usingtheelectricfootbasinB.listeningtomusicwiththereadingpenC.enjoyingthemoppingmachineworking10.WhichofthefollowingsentencesisTRUE?A.Thewaterwon'tgetcoldwhentheelectricfootbasinisused.B.It'sdangerousforkidstousethereadingpenalone.C.Moppingrobotscanhelppeopleforgettheirbusylife.CTheworld’slargestradiotelescopewasfinishedonSept.25,2017inChina.FASTisafive-hundred-metertelescope.ItisalsocalledTian-yan(TheEyeofHeaven),withadishthesireof30footballgrounds,deepinthemountainsofsouthwestChina'sGuizhouProvince.Thegiantdishisbuiltonahowl-likevalley.Thesurroundingareahasradiosilenceastherearenotownsandcitieswithina5-kilometerradius（半径范围）andonlyonecountycenterwithin25kilometers.FASTismadeupof4,450panels(面板).ThesecondlargestradiotelescopeisinRussia.Thebiggerdishwillbeabletopickupweakersignals(信号).Theradiotelescopeislikeanear,listeningtotellmeaningfulradiomessagesfromwhitenoiseintheuniverse.Withthehelpofthetelescope,wecanreceiveweakerandmoreradiomessagesfar3awayinspace.ItwillhelpustosearchforintelligentlifeoutsideoftheGalaxy(银河系)andexploretheorigins（起源）oftheuniverse.AnyofitsdiscoverieswillleadtoaNobelPrize,saidJosephTaylor,aNoblePrizewinner.TheFASTprojectbeganin2011.Andthetelescopeisexpectedtoremainthegloballeaderforthenext10to20years.11.WherewasFASTdeveloped?A.InChina.B.InRussia.C.InAmerica.12.Theunderlinedwordgiantprobablymeans___________inChinese.A.神秘的B.巨大的C.宽广的13.FASTisusedto__________________.A.exploretheoriginsofhumanbeingsB.receivedistantradiomessagesfromtheuniverseC.watchthebeautifulsceneryoftheGalaxy14.Fromthepassage,wecanknowthat__________________.A.FASTisthelargestradiotelescopeallovertheworldsofarB.Noisytownsarearoundthetelescopewithina