单项选择题

A．He established a government service.
B．He developed a system called "star routes".
C．He built a lot of post offices.
D．He established the postal
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单项选择题
A．Call his friend.B．Go to the office to get his test.C．Send the woman a letter.D．Take the test later.
A．Call his friend.
B．Go to the office to get his test.
C．Send the woman a letter.
D．Take the test later.
问答题
假设你是李文，请你就学校假期的安排给教育部长写一封信，向他建议将学校传统的长假调整为几次短假并陈述相关的原因比如：学习时间过长可能引起过度疲劳，而放假过长则可能导致浪费时间等等。
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