As it is known to all,owning mobile phones has become a new necessity for common students.
题目
As it is known to all,owning mobile phones has become a new necessity for common students.
答案
众所周知,手机已是普通学生的新的必需品
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我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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