IgA肾病的最显著的特点是（）。
A.系膜区大量的IgA沉积
B.复发性血尿
C.弥漫性系膜增生
D.主要表现为肾病综合征
E.呈膜性肾炎病变
参考答案：A
---The fire was finally __________. Unfortunately, 10 people lost their lives.
--- I hope the accident like this __________ happen.
A．put up, not to happen
B．put away, not happen
C．put down, not happens
D．put out, won’t happen
颗粒状或粉末状，色红明亮，有闪烁的光泽，触之不染手，习称（）
A."珠宝砂"
B."镜面砂"
C."豆瓣砂"
D."钉头"
E."硬滑石"
