单选题Columbia’s Web site can provide free _____.Aexpertise of its professorsBlisting of courses and professors’ research interestsConline courses and seminarsDbooks and tapes related to the course
单选题
Columbia’s Web site can provide free _____.
A
expertise of its professors
B
listing of courses and professors’ research interests
C
online courses and seminars
D
books and tapes related to the course
参考解析
解析：
细节题。根据文中第三段中的“free sites listing courses and professors’ research interests”可知只有选项B的内容是免费的。故B项是正确答案。由“it will offer the expertise of its faculty on a new for-profit site”可知A项收费。从“Free pages will feed into profit-generating areas, such as online courses and seminars, and related books and tapes”可知选项C、D所叙述的内容都是盈利性质的。
细节题。根据文中第三段中的“free sites listing courses and professors’ research interests”可知只有选项B的内容是免费的。故B项是正确答案。由“it will offer the expertise of its faculty on a new for-profit site”可知A项收费。从“Free pages will feed into profit-generating areas, such as online courses and seminars, and related books and tapes”可知选项C、D所叙述的内容都是盈利性质的。
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