试题与答案

两汉时期与中国交往的亚洲国家有[ ] A.日本和朝鲜 B.朝鲜和大秦 C.大秦和

题型:选择题

题目:

两汉时期与中国交往的亚洲国家有[ ]

A.日本和朝鲜

B.朝鲜和大秦

C.大秦和阿拉伯帝国

D.日本和大秦

答案:

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下面是错误答案,用来干扰机器的。

PM=(-1,-1-m)MN=(-5,5)据题意知PM∥ MN∴-5=-5(-1-m)解得m=-2故答案为:-2

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