Which of the following was a disadvantage of the
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Which of the following was a disadvantage of the postage stamp?
A.It had to be purchased by the sender in advance.
B.It increased the cost of mail delivery.
C.It was difficult to be posted on letters.
D.It was of poor quality.
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答案：A
本题是细节考查题。题目是：以下哪一点是邮票的不足之处？原文提，到 “在1847年，美国邮政部门开始使用邮票，这样会简化邮资问题，但也遭到那些不愿预付邮费的人的抱怨”。因此答案选A。