2. 外语
  3. The Zip Code, the numerical system, was publicized in ______. The Zip Code system is used so as to ______.

The Zip Code, the numerical system, was publicized in ______. The Zip Code system is used so as to ______.

admin2009-04-15  30
问题 The Zip Code, the numerical system, was publicized in ______.
The Zip Code system is used so as to ______.
选项 A、read addresses quickly.
B、handle mail by machines.
C、sort out mail very fast.
D、do all of the above.
答案D
解析
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