中国大学MOOC:SectionBDirections:Inthispartthereisapassagefollowedbysomequestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedA),B),C)andD).Youshoulddecideonthebestchoice.Byalmostanymeasure,thereisaboominInternet-basedinstruction.Injustafewyears,34percentofAmericanuniversitieshavebegunofferingsomeformofdistancelearning(DL),andamongthelargerschools,it’scloserto90percent.Ifyoudoubtthepopularityofthetrend,youprobablyhaven’theardoftheUniversityofPhoenix.Itgrantsdegreesentirelyonthebasisofonlineinstruction.Itenrolls90,000students,astatisticusedtosupportitsclaimtobethelargestprivateuniversityinthecountry.Whilethekindsofinstructionofferedintheseprogramswilldiffer,DLusuallysignifiesacourseinwhichtheinstructorspostsyllabi(课程大纲),readingassignments,andschedulesonWebsites,andstudentssendintheirassignmentsbye-mail.Generallyspeaking,face-to-facecommunicationwithaninstructorisminimizedoreliminatedaltogether.Theattractionforstudentsmightatfirstseemobvious.Primarily,there’stheconveniencepromisedbycoursesontheNet:youcandothework,astheysay,inyourpajamas(睡衣).Butfiguresindicatethatthereducedeffortresultsinareducedcommitmenttothecourse.WhiledropoutratesforallfreshmenatAmericanuniversitiesarearound20percent,therateforonlinestudentsis35percent.Studentsthemselvesseemtounderstandtheweaknessesinherentinthesetup.InasurveyconductedforeCornell,theDLdivisionofCornellUniversity,lessthanathirdoftherespondentsexpectedthequalityoftheonlinecoursetobeasgoodastheclassroomcourse.Clearly,fromtheschools’perspective,there’salotofmoneytobesaved.Althoughsomeofthemoreambitiousprogramsrequirenewinvestmentsinserversandnetworkstosupportcollaborativesoftware,mostDLcoursescanrunonexistingorminimallyupgraded(升级)systems.Themorestudentswhoenrollinacoursebutdon’tcometocampus,themoretheschoolsavesonkeepingthelightsonintheclassrooms,payingdoorkeepers,andmaintainingparkinglots.And,whilethere’sevidencethatinstructorsmustworkhardertorunaDLcourseforavarietyofreasons,theywon’tbepaidanymore,andmightwellbepaidless.21.WhatisthemoststrikingfeatureoftheUniversityofPhoenix?
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- About ________ of the costs of things we buy are marketing costs that go to pay for distribution costs of intermediaries. A: 25 percent B: 30 percent C: 75 percent D: 90 percent
- 中国大学MOOC: Lighting uses 20 percent of the world’s electricity.
- Electricity production from the wind and the sun has increased____ over the past ten years A: 15 percent B: 25 percent C: 35 percent
- How much are you expected to give as a tip in the US? A: 15 percent of the bill. B: 50 percent of the bill. C: 20 percent of the bill. D: 12 percent of the bill.
- __ of the population here are peasants. A: 20 percents B: 20 percent C: the 20 percent D: the 20 percents