—Would you like some rice?
—Yes, _____ . [ ]
A. I would
B. I do
C. I like
D. please
答案:D
因式分解:x3—4x=
判断慢性胄炎是否屑活动性的病理依据是
A.幽门螺杆菌感染的程度
B.黏膜糜烂的程度
C.脓性分泌物的多少
D.黏膜充血水肿的程度
E.黏膜有无中性粒细胞浸润