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.com选择性必修第四册Unit3SeaExplorationⅠ.阅读理解A(★)ArobotcreatedatStandfordUniversityisdivingdowntoshipwrecks(沉船)inawaythathumanscan’tdo.KnownasOceanOneK，therobotallowsitsoperatorstofeellikethey’reunderwaterexplorers，too.OceanOneKresembles(像)ahumandiverfromthefront，witharms，handsandeyesthatcapturetheunderwaterworldinfullcolor.Thebackoftherobothascomputersandeightmultidirectionalthrusters(推进器)thathelpitcarefullyexplorethesitesoffragileshipwrecks.Whenanoperatorattheocean’ssurfaceusescontrolstodirectOceanOneK，therobot’stouch-basedfeedbacksystemcausesthepersontofeelthewater’sresistance.TheideaforOceanOneKcamefromadesiretostudycoralreefsintheRedSeaatdepthsbeyondthenormalrangefordivers.WhileOceanOneKwasdesignedtoreachmaximumdepthsof656feet，researchershadanewgoal：1kilometer，hencethenewnameforOceanOneK.Theresearcherschangedtherobot’sbodybyusingspecialfoamtoincreasebuoyancy(浮力)andfightthepressureof1,000metersmorethan100timeswhathumansexperienceatsealevel.OceanOneKalsogottwonewtypesofhandsandincreasedarmandheadmotion.DuringOceanOneK’sdeepdiveinFebruary，teammembersdiscoveredtherobotcouldn’trisewhentheystoppedforathrustercheck.Flotationsonthecommunicationsandpowerlinehadcollapsed，causingthelinetopileonthetopoftherobot.OceanOneK’sdescentwasasuccess.Itdroppedoffamemorialmarkerontheseabedthatreads，“Arobot’sfirsttouchofthedeepseafloor—Avastnewworldforhumanstoexplore.”Khatib，aprofessor，calledtheexperiencean“incrediblejourney”.“Thisisthefirsttimethatarobothasbeencapableofgoingtosuchadepth，interactingwiththeenvironment，andpermittingthehumanoperatortofeelthatenvironment，”hesaid.1．WhatcanwelearnaboutOceanOneK?A．Itseyesarecolorful.B．Itfunctionsautomatically.C．Itlookslikeitsoperatorfromthefront.D．Itisremotelycontrolledtoexploreunderwater.2．Howdoestheauthordevelopthethirdparagraph?A．Bylistingdata.B．Byraisingquestions.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.comC．Byreasoningandanalyzing.D．Bypresentinganargument.3．Whatdoestheunderlinedword“descent”meaninthelastparagraph?A．Successfuloperation.B．Deepdiving.C．Pressureresistance.D．Flexibleexploration.4．Whatisasuitabletitleforthetext?A．ACreativeExplorerB．TheAmbitiousExplorationC．ASelf-DrivenSeeker—ARobotD．ADeep-SeaExplorer—OceanOneKBAnewstudyfoundsomeprimates(灵长类)areleavingtheirtreehomesandspendingmoretimeontheground.LedbyTimothyEppley，PhD，scientistsstudiednearly50speciesofmonkeysandlemurs(狐猴)tolookatthereasonbehindthesechanges.About15yearsago，Eppleyworkedwithsouthernbamboolemurs，whichwereknowntospendmostoftheirdaysinthetrees，feedingonbambooleaves.However，hewassurprisedtofindtheselemurswerespendingmosttimeonthegroundandhadanincrediblydiversediet.Hewonderedwhetherhabitatreductionandlimitedfoodresourceavailabilityweredrivingthemtomovetotheground.Thisinspiredhimtobeginthisstudy.HereachedouttoeveryresearcherhecouldfindwhomayhavesignificantdataonprimatesfromMadagascarortheAmericas，thetwoplaceswithalmostalltree-dwellingprimates.Eppleyexaminedmorethan150,000hoursofdataobservedon32monkeyspeciesand15lemurspeciesat68sites.Hefoundthattheyspentanavera...