在英语越来越重要的21世纪，学好英语成了大学生的首要目标。为帮助大学生更好地掌握英语知识，特提供以下文章：
1. The first two stages in the development of civilized man were probably the invention of weapons and the discovery of fire, although nobody knows when he acquired the use of the _____.
A. latter
B. latest
C. later
D. last
2. It will take us twenty minutes to go to the railway station, _____ traffic delays.
A. acknowledging
B. affording
C. allowing for
D. accounting for
3. He will have to _____ his indecent behavior one day.
A. answer to
B. answer for
C. answer back
D. answer about
4. With _____ exception, the former president does not appear in public now.
A. rare
B. unusual
C. extraordinary
D. unique
5. We have been hearing _____ accounts of your work.
A. favored
B. favorable
C. favorite
D. favoring