名校2023版高考英語閱讀理解精讀含答案y

名校2023版高考英語閱讀理解精讀含答案（2022淄博二模卷）OnlinelearningisatermusedtodescribedistancecoursesthatareofferedovertheInternet.Thecoursescoverawiderangeofsubjectsandaudiences.Thiseducationalmethodisgrowingirpopularityasaneconomicalmethodofprovidingaccesstoeducationforalargepopulation.Therearetwotypesofonlinecourseaccess:openandrestricted.OpenaccessallowsactuallyanyonewithanInternetusertoviewthecoursematerial.Thistypeofonlinelearningdoesnotrequireinteractionwithaninstructor.Thematerialcoveredcanrangefromveryspecificinstructionstouniversitylevelcourses.Thisinitiativeremovesthebarrierstoadvancedknowledgeandallowsanyonewiththeinteresttolearn.Theothertypeofonlinecoursesarerestrictedaccesscourses.Restrictedaccessisusedtolimittheclasstoregisteredstudents.Thesecoursesofferinstructorinteractionandaretypicallythemethodusedbycoursesthatrequiregradesupongraduation.Itismoreefficientforboththeeducatorandthestudenttoaccesscoursematerialsonline.Fromtheeducatoraspect,thecourselecturescanberecordedonceandreused.Thisgreatlyreducedthestafftimeandcosts.Meanwhile,onlinecoursesallowstudentstocompletecourseworkfromawiderangeoflocationsandremovethetimerestrictiontoaccesscourselectures.Studentsarenolongerrequiredtotraveltotheclassandmanycoursematerialsareincludedinthefee.Thematerialforonlinecourseshasbeencarefullyreviewedandapprovedbeforethecourseisoffered.Manyintroductionandcoursesdonotchange,asthematerialisfixed.Asaresult,thecoursesarestableandcanbereusedssneeded.Technologycontinuestoexpandtomeettheneedsofonlinestudents.Thesetoolsincludemobileaudioandvideoviewers,improvedonlineinteractivetests,andtoolandcoursemanagementsoftware.Thecontinueddevelopmentinthisareawillfurtherenhancethequalityofonlinecoursesandencouragemorepeopletofurthertheireducation.Whyisonlinelearningwinningmorerecognition?A.Itiscost-effective.Itisfreetoaccess.Noteacherisrequired.Educationisgettingmoreimportant.Whatdowelearnaboutrestrictedaccess?Learnersarerequiredtoregister.Learnerscanlearnwithoutevaluation.Itisintendedforadvancedlearnersonly.Ithasnointeractionwithaninstructor.Whatisparagraph3mainlyaboutonlinecourses?Theparticipants.Thetimerestrictions.Theadvantages.Theever-changingmaterials.Howdoestheauthorfeelaboutthefutureofonlinelearning?A.Challenging.B.Critical.C.Worrying.D.Promising.AACDResearcherssayanewelectricaldeviceplacedinthreeparalyzedpatientshashelpedthemwalkagain.Thelowerbodiesofthethreepatientswereleftparalyzedaftertheysufferedspinal（脊柱的）cordinjuries.Butadeviceimplantedinthespinalcordwasabletosendelectricalsignalstothemusclestopermitthemtostand,walkandexercise.Scientistshavediscoveredthatneurons—whichreceiveandsendsignalsformusclemovements-oftenstillworkininjuredpatientswithseriousspinalcordinjuries.However,pastresearchintospinalcordinjurieshascenteredonthestimulationofneurons.NowinthelatestexperimentledbyGregoireCourtineandJocelyneBlochoftheSwissFederalInstituteofTechnologyinLausanne,threeparalyzedmenwereimplantedanewelectricaldevicedesignedtocopyanactionofthebrain,inwhichitsendssignalstothespinalcordthatresultinmusclemovement.Whenthespinalcordreceivesthebrainsignals,itstimulatesacollectionofnervecellsthatcanactivatedifferentmuscles.Theresearchersreportedthatallthreepatientswhogotthespinalcordimplantswereabletotaketheirfirststepswithinanhourafterreceivingthem.Overthenextsixmonths,thepatientsregainedtheabilitytotakepartinmoreadvancedwalkingactivities,thestudyfound.Theywerealsoabletoridebicyclesandswimincommunitysettings.Unlikeotherattemptstohelpparalyzedpatientswalkbystimulatingnervesthroughthebackofthespine,Courtinesaidthathisteamredesignedthedevicessosignalswouldenterthespinefromthesides.Thismethodpermitsmoredirecttargetingandactivationofspinalcordareas,hesaid.Theteamthendevelopedartificialintelligence(AI)systemslinkedtothedevice.TheAIcontrolselectrodesonthedevicetosendsignalstostimulateindividualnervesthatcontrolmusclesneededforwalkingandotheractivities.However,becausethepatientsmuscleswereweakfromnotbeingused,theyneededhelpwithsupportingtheirweight,theresearcherssaid.Italsotooksometimeforthemtolearntoworkwiththetechnology.StillzBlochsaid,“Themoretheytrain,themoretheystartliftingtheirmuscles,themorefluiditbecomes.”Whatcanbeinferredfromparagraph2?Neuronsinparalyzedpatientscanztwork.Paralyzedmenrecoveredusinganewdevice.Thenewdevicecanimitatethebraintosendsignals.Stimulatingtheneuronsisthefocusofthelatestresearch.Howdoesthenewdevicestimulatethespinalcordareasmoredirectly?ByusingtheAIsystem.Bysendingthesignalstothebrain.Bymakingsignalsenterthespinefromthesides.Bystimulatingnervesthroughthebackofthespine.WhichcanbestdescribeBloch'sideainthelastparagraph?Practicemakesperfect.Itshardtopleaseall.Everygardenhasitsweeds.D.Pu