2007大学英语六级词汇综合辅导(六十)

文章作者 100test 发表时间 2008:01:30 09:35:43
来源 100Test.Com百考试题网

During their fist teacher training year, the students often visited local schools for the _______ of lessons.

A) observation

B) investigation

C) inspection

D) examination

注：investigation 调查