A. There is no strict control over the academic standards of the courses.
B. The evaluation system used by online universities is inherently weak.
C. There is no mechanism to ensure that they make the required effort.
D. Lack of classroom interaction reduces the effectiveness of instruction.
[试题]B．yalmostanymeasure,thereisaboominInternet-basedinstruction.Injustafewyears,34percentofAmericanuniversitieshavebegunofferingsomeformofdistancelearning(DL),andamongthelargerschools,it’scloserto90percent.Ifyoudoubtthepopularityofthetrend,youprobablyhave
Many students drop out of online courses because of the lack of teaching support
What does the author say about students enrolled in online classes?A. They can a
[单选题]What did the students find out about McKay?A． He trained pilots for some time.B． He lived longer than other pilots.C． He died in the Second World War.D． He was downed by the pilot Boelcke.
They want to know what to study, or whether its OK to drop out of college since
[单选题]Text 3What accounts for the astounding popularity of Dr.Phil McGraw? Why have so many TV viewers and book buyers embraced this tough warrior of a psychologist who tells them to suck it up and deal with their own problems rather than complaining and b
What mainly accounts for the possibility that distance learning could become the
[主观题]Students can’t take magazines out of the reading room without permission.(改为被动语态)Magazines can’t ________ ________ out of the reading room without permission.
[主观题]What was your favorite subject in high school?
[单选题]The young man was [compelled]to drop out of school to support his family.A.