类风湿关节炎的基本病理改变是
A.炎症细胞浸润B.B淋巴细胞大量增殖C.滑膜炎D.免疫复合物沉积E.关节骨性增生
参考答案:C
* * 毛滴虫运动细胞器是()
A.基染色杆
B.鞭毛
C.伪足
D.波动膜
E.轴柱
.----Do you know where Miss Green is?
----She the library to borrow some books.
A. has gone to B. had been in C. has been to