填空题

Only under special conditions ______(才允许大一学生参加补考).

【参考答案】

are freshmen permitted to take make-up tests

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单项选择题

Why does the author give the example of Super Bowl Because （）.

A. it is the most popular football games in America
B. it shows advertisers’ enthusiasm in running slots has dropped
C. it is an event that attracts the attention of advertisers
D. it will be right on in America in 2009

单项选择题

62（）

A. prevent
B. inhibit
C. keep
D. motivate