单项选择题


A．regarded
B．respected
C．referred
D．treated
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单项选择题
What is the text mainly about
A．The recognition of distance education.
B．The difference between distance education and self-study.
C．The definition and features of distance education.
D．The courses provided in distance education.
单项选择题
According to the author, self-study
A．offers a good learning situation.
B．offers no instructional service.
C．has a qualified facility.
D．is a part of distance education.
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