Whilethekindsofinstructionofferedintheseprogramswilldiffer,DLusuallysignifiesacourseinwhichtheinstructionspostsyllabi(课程大纲),readingassignments,andschedulesonWebsites,andstudentssendintheirassignmentsbye-mail.Generallyspeaking,face-to-facecommunicationwithaninstructorisminimizedoreliminatedaltogether.
Accordingtothepassage,distancelearningisbasicallycharacterizedby_____
A)Aconsiderableflexibilityinitsacademicrequirements
B)Thegreatdiversityofstudents’academicbackgrounds
C)Aminimumortotalabsenceofface-to-faceinstruction
D)tthecasualrelationshipbetweenstudentsandprofessors
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