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B. weknowforsurehewasVeranzio C. thereweresomehistoricalrecords D. wedon’tknowforsureyet
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20. Thepassageismainlyabout______.A
.theoriginoftheparachute B.Thedreamsofflyingandfalling C.thecourageofdroppingfromthesky D.theapplicationofparachuteinvention PassageTwo
Outofallthestudentswhoenrollinamassiveopenonlinecourse(MOOC),onlyabout5
percentcompletethecourseandreceiveacertificateaccomplishment.Thisstatisticisoftencited asevidencethatMOOCsarefatally
flawed(缺陷的)andofferlittleeducationalvaluetomost
students.Yetmorethan80percentofstudentswhofilloutapost-coursesurveysaytheymettheir primaryobjective.Howdowelookatthesetwofacts? We’reusedtofocusingoncompletionratesinhighereducation,butthey -or
eventhemostmeaningful–
indicatorofengagementinopenonlinecourses.Withnocosttoenroll,nopunishmentfordroppingout,andlittlerewardforactuallyearningacertificate,MOOCsarefundamentallydifferentfromtraditionalcalssess–andstudentsusetheminfundamentallydifferentways.
Datafrommorethan1.8millionstudentserolledin36MOOCsofferedbytheUniversityof PennsylvaniashowthatstudentstreatMOOCslikeabuffet(自助
餐),samplingthematerialaccordingtotheirinterestsandcareergoals.Somearecuriousaboutthesubjectmatterandjustwatchoneortwovideolectures;othersusethediscussionforumstoconnectwiththeirintellectualpeersaroundtheworld.Ofallenrolledstudents,nearly60percentwa
tchatleastonevedio,completeatleastoneassignment,orpostatleastonceinaforum.
SofocusingonthetinyfractionofstudentswhocompleteaMOCCsismisguided.
Themoreimportantnumberisthe60percentengagementrate.StudentsmaynotfinishaMOOCwithacertificateofaccomplishment,butthecoursesnonethelessmeettheeducationalgoalsofmillions.
21.WhatdowelearnaboutMOOCsfromPara.1?
A.ThereseemstobeconflictingstatisticsaboutMOOCs. B.ItturnsoutthatMOOCshavefailedpeople
’sexpectations.
C.MoststudentsfindithardtojudgethevalueofMOOcs. D.TheeducationalvalueofMOOCsiswellacknowledged. 22. InPara.2,theauthorstresses______. A. theprimaryobjectiveofMOOCstudents
B. thesignificanceofcompetionratesineducation C. thestrengthsandweaknessofopenonlinecourses D. thedifferencesbetweenMOOCcandtrditionalclasses
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renottheonly
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23. AccordingtoPara.3,studentschooseMOOCsforthefollowingreasonsEXCEPT______. A. earningacertificate B. improvingjob-relatedskills
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Whetheryouarehikingthrough徒步
themagnificentredwoodsofNorthernCalifornia,sleepingunderthebrilliantstarsoftheTexasskyorwatchingthesunriseacrosstherockycliffsof
Maine,expectingtheoutdoorworldcanbeinspiring,thrilling,anddeeplysatisfying.Andoneof thebestwaystoenjoytheabundantgiftsofthenaturalworldissimple,inexpensive,andavailable toalmosteveryone.Let
’sgocamping.
“homeawayfromhome
”inthefreshair.Youdon
Whenyoucamp,youcreatea
C.meetingtheirinterestinthesubjects D.exchangingideaswithstudentsworldwide 24.Thesentence
“studentstreatMOOCsasabuffet
”(Para.3)______.
A.emphasizesthecorevalueofMOCCs B.demonstratesthedailyoperationofMOOCd
C.indicatesstudentsarefreetochooseMOOCresources D.explainswhatstudentslearnfromMOOCcourses 25.Whatistheauthor A.Critical. PassageThree
’sattitudetowardMOOCs? B.Supportive.
C.Indifferent.
D.Neutral.
’tneedalo
offencyequipmenttoenjoycamping.Whatyouneedissimplyatentlargeenoughforyourfamily. Practicesettingupthetentathometomakesureyouarefamiliarwiththeprocessbeforeyougoc
amping.
Onceyoufindagoodsite,it
’stimetosetuptent.Yourfirstjobistosetupyourtent.Remove
allsticksandrocksfromthearea.Spreadatarp(防水帆布)overtheareawhereyourtentwillsit. Setupthetentandbesuretostakeitdownfirmly,eveniftheweatherismild.Otherwise,strong windcanblowyourtentaway.
Next,you’llneedsomefirewood
foracampfire.If gathering woodisillegal atyour
campground,youmustbuyitatthecampstore.Ifgatheringdeadwoodispermitted,goonafirewood-
huntingjourneyandbringinagoodsupplyofwoodforyourcampsite,pilethewood safelyawayfromthecampfireringandwherenoonewilltripoverthewoodorhurthisorher legsonsharpbranches.
Beingaresponsiblecamperrequiresthatyoufollow therulesofthecampground.Donot burnfoodorplasticinyourcampfire.Makesurethatyouleaveyourcampsiteingoodcondition forthenextcampers.Justbeforeleavingthesite,makeafinal campfireiscompletelyout.Pourwaterontheashesjusttobesafe!
26. Asissuggestedbytheaurhor,youshouldpracticesettingupyourtent______. A. beforetheweatherturnsbad B. beforeyourfirstcampingup C. afterhavingselectedyourcampsite
checktobecertainthatyour
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D. onceyouhavedecidedwheretogo
27. Whatisthefirstthingyoushoulddoafterchoosingacampsite? A. Gatherfirewood.
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