If you describe someone as the leader champion etc. you mean thatthey have proved

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If you describe someone as the leader, champion, etc., you mean thatthey have proved that nobody else has more power or ability than them.

A) undisciplined

B) undisputed

C) undisclosed

D)undiscovered

热搜:在Sb2S3,HgS,Bi2S3,As2S3,SnS等物质中,不能溶于Na2S溶