引起新月体性肾小球肾炎发生的主要基础病变是
A.基底膜缺损、断裂
B.嗜中性粒细胞渗出
C.单核细胞渗出
D.系膜细胞增生
参考答案:A
— When will you come to see me, Dad ?
— I will go to see you when you _____ the training course.
A.will have finished
B.will finish
C.are finishing
D.finish
光能够在其中传播的物质叫()。