2023版高考英語閱讀理解精讀含答案15

名校2023版高考英語閱讀理解精

讀含答案

（2022淄博二模卷）Onlinelearningisatermusedtodescribe

distancecoursesthatareofferedovertheInternet.Thecourses

coverawiderangeofsubjectsandaudiences.Thiseducational

methodisqrowinqinpopularityasaneconomicalmethodof

providingaccesst。educationforalargepopulation.

Therearetwotypesofonlinecourseaccess:openand

restricted.OpenaccessallowsactuallyanyonewithanInternet

usertoviewthecoursematerial.Thistypeofonlinelearning

doesnotrequireinteractionwithaninstructor.Thematerial

coveredcanrangefromveryspecificinstructionstouniversity

levelcourses.Thisinitiativeremovesthebarrierstoadvanced

knowledgeandallowsanyonewiththeinteresttolearn.The

othertypeofonlinecoursesarerestrictedaccess

courses.Restrictedaccessisusedtolimittheclasst。registered

students.Thesecoursesoffe門nstruct。1rinteractionandare

typicallythemethodusedbycoursesthatrequiregradesupon

graduation.

Itismoreefficientforboththeeducatorandthestudentto

accesscoursematerialsonline.Fromtheeducatoraspect,the

courselecturescanberecordedonceandreused.Thisgreatly

reducedthestafftimeandcosts.Meanwhile,onlinecourses

allowstudentstocompletecourseworkfromawiderangeof

locationsandremovethetimerestrictiontoaccesscourse

lectures.Studentsarenolongerrequiredtotraveltotheclass

andmanycoursematerialsareincludedinthefee.Thematerial

foronlinecourseshasbeencarefullyreviewedandapproved

beforethecourseisoffered.Manyintroductionandcoursesdo

notchange,asthematerialisfixed.Asaresult,thecoursesare

stableandcanbereusedasneeded.

Technologycontinuestoexpandtomeettheneedsofonline

students.Thesetoolsincludemobileaudioandvideoviewers,

improvedonlineinteractivetests,andtoolandcourse

managementsoftware.Thecontinueddevelopmentinthisarea

willfurtherenhancethequalityofonlinecoursesandencourage

morepeopletofurthertheireducation.

12.Whyisonlinelearningwinningmorerecognition?

A.Itiscost-effective.

B.Itisfreetoaccess.

C.Noteacherisrequired.

D.Educationisgettingmoreimportant.

13.Whatdowelearnaboutrestrictedaccess?

A.Learnersarerequiredtoregister.

B.Learnerscanlearnwithoutevaluation.

C.Itisintendedforadvancedlearnersonly.

D.Ithasnointeractionwithaninstructor.

14.Whatisparagraph3mainlyaboutonlinecourses?

A.Theparticipants.

B.Thetimerestrictions.

C.Theadvantages.

D.Theever-changingmaterials.

15.Howdoestheauthorfeelaboutthefutureofonline

learning?

A.Challenging.B.Critical.C.Worrying.D.Promising.

AACD

Researcherssayanewelectricaldeviceplacedinthree

paralyzedpatientshashelpedthemwalkagain.Thelower

bodiesofthethreepatientswereleftparalyzedafterthey

sufferedspinal（脊木主的）cordinjuries.Butadeviceimplantedin

thespinalcordwasabletosendelectricalsignalstothemuscles

topermitthemtostand,walkandexercise.

Scientistshavediscoveredthatneurons—whichreceiveand

sendsignalsformusclemovements—oftenstillworkininjured

patientswithseriousspinalcordinjuries.However,pastresearch

intospinalcordinjurieshascenteredocthestimulationof

neurons.NowinthelatestexperimentledbyGregoireCourtine

andJocelyneBlochoftheSwissFederalInstituteofTechnology

inLausanne,threeparalyzedmenwereimplantedanew

electricaldevicedesignedtocopyanactionofthebrain,in

whichitsendssignalstothespinalcordthatresultinmuscle

movement.Whenthespinalcordreceivesthebrainsignals,

itstimulatesacollectionofnervecellsthat

canactivatedifferentmuscles.

Theresearchersreportedthatallthreepatientswhogotthe

spinalcordimplantswereabletotaketheirfirststepswithinan

hourafterreceivingthem.Overthenextsixmonths,thepatients

regainedtheabilitytotakepartinmoreadvancedwalking

activities,thestudyfound.Theywerealsoabletoridebicycles

andswimincommunitysettings.

Unlikeotherattemptstohelpparalyzedpatientswalkby

stimulatingnervesthroughthebackofthespine,Courtinesaid

thathisteamredesignedthedevicessosignalswouldenterthe

spinefromthesides.Thismethodpermitsmoredirecttargeting

andactivationofspinalcordareas,hesaid.

Theteamthendevelopedartificialintelligence(AI)systems

linkedtothedevice.TheAIcontrolselectrodesonthedeviceto

sendsignalstostimulateindividualnervesthatcontrolmuscles

neededforwalkingandotheractivities.However,becausethe

patientsmuscleswereweakfromnotbeingused,theyneeded

helpwithsupportingtheirweight,theresearcherssaid.Italso

tooksometimeforthemtolearntoworkwiththetechnology.

Still,Blochsaid,“Themoretheytrain,themoretheystartlifting

theirmuscles,themorefluiditbecomes.”

12.Whatcanbeinferredfromparagraph2?

A.Neuronsinparalyzedpatientscan,twork.

B.Paralyzedmenrecoveredusinganewdevice.

C.Thenewdevicecanimitatethebraintosendsignals.

D.Stimulatingtheneuronsisthefocusofthelatestresearch.

13.Howdoesthenewdevicestimulatethespinalcordareas

moredirectly?

A.ByusingtheAIsystem.

B.Bysendingthe