[解析]
DCBD
(1)D 主旨大意题 A只是文章的一个例子,不能作为写作目的.答案B和C文章并未提到.可排除A,C和B.从online courses originally intended for non﹣traditional students living far from campus have proved surprisingly popular with on﹣campus students.A recent study found 42 percent of the students enrolled(登记) in its distance education courses were located on campus at the university that was hosting the online courses.可知越来越多的学生无论住得近还是远都开始选择网上课程,故答案为D
(2)C 从第5段的介绍可知,一些学校最初是为那些住得离学校远的学生开设网上课程的.故答案为C
(3)B Washington State had about 325 on﹣campus undergraduates taking one or more distance courses last year.可排除答案C.Numbers vary depending on the policies of particular colleges.可排除答案D.从文章内容可知A项没提到.可以排除.故答案为B.
(4)D 本文主要是介绍网上课程的流行,大学应顺应人们的需求.ABC 三项在Sheila Aaker的话中并未提到.