2. 外语
  3. When MIT put their course content online in 2002, they were expecting their site to be one of the most popular sites around the

When MIT put their course content online in 2002, they were expecting their site to be one of the most popular sites around the

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问题 When MIT put their course content online in 2002, they were expecting their site to be one of the most popular sites around the world.
With the gradual development of open courseware, there is a variety for both its ______.
选项
答案forms and content
解析 由题干中the gradual development of open courseware可定位到第三个小标题下第一段首句As open courseware  matures, its forms begin to vary as widely as its content．[精析] 此处要求填入名词性短语与介词for搭配。题干中the gradual development of open courseware, variety分别与原句As open courseware matures，vary相对应。因此原句中forms和content符合题干要求，将两词按题干语法要求连接为forms and content即得答案。
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