本病应诊断为
A.慢性肾小球肾炎B.慢性’肾盂,肾炎C.慢性肾功能不全D.高血压病E.肾结石
参考答案:B
They are ________ tickets.[ ]
A. buy
B. buys
C. buying
已切割的单晶硅切片(经掺杂、直径63mm)