肾小管旁器分泌( )
A．肾素B．促红细胞生成素C．激肽释放酶D．前列腺素E．钾离子
参考答案：A
The programme, which refers _____ the tomb of Qin Shihuang, is _____ for those who are interested in history.
A．as; meant
B．for; intended
C．to; planned
D．to; intended
乳腺癌出现表面皮肤凹陷，即所谓“酒窝征”，其形成机制是（）。
A.癌细胞堵塞 * * 皮下淋巴管
B.癌肿侵入乳腺管使其收缩
C.癌细胞浸润大片皮肤
D.癌肿侵犯Cooper韧带使其收缩
E.以上都不是
