肾窦
参考答案：
肾门向肾实质内凹陷形成的腔隙，称为肾窦；内有疏松结缔组织填充并含有血管神经、淋巴管、肾大盏、肾小盏和肾盂结构。
It is a rule in his family that ______ comes home earlier should cook the dinner for the family .
A．anybody
B．who
C．who that
D．whoever
《外贸法》的最终目标是( )
A．促进社会主义市场经济的健康发展 B．保证对外贸易经营者的合法权益 C．发展对外贸易 D．维护对外贸易秩序
