Yao Ming is one of _____ in the world.[_爱下问搜题

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问题选择题

Yao Ming is one of _____ in the world.[ ]

A. best players

B. the best player

C. best player

D. the best players

答案

答案：D

填空题

已知外切两圆⊙O₁和⊙O₂的半径恰为方程x²-3x+2=0的两根，则⊙O₁和⊙O₂的圆心距为______．

多项选择题

个体工商户可以升级为（）企业。

A.个人独资

B.合伙

C.有限责任

D.集体所有制