【单选题】关于球旁细胞的描述,哪项错误
A.
近血管极处由入球微动脉的平滑肌细胞上皮样变而成
【单选题】I know him very well because we ____________friends for ages.
【单选题】I don't know him very well. He's just a(n) __ acquaintance.
【单选题】I know him very well, because we _______ friends for ages.
【单选题】This returned Chinese scholar has become one of the top experts in this field .—Yes , I know him very well . He in Africa with wild animals for eight years .