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次の英文を読み、 設問に答えなさい。
Although many people think it is a modern phenomenon, , distance
learning has been around for at least 200 years in one form or another.
Historical examples of long-distance learning include students being sent a
series of weekly lessons by mail. The technological advances of the past 20
or so years, however, have meant that this form of education is now
a
credible
to
face-to-face learning.
Indeed, 1996
the
saw
establishment of the world's first “virtual university” in the United States,
showing how far distance learning has come in a relatively short space of
time.
While it is now possible to obtain a large variety of online degrees,
