以间质改变为主的肺炎是()
A.大叶性肺炎
B.支原体肺炎
C.吸入性肺炎
D.放射性肺炎
E.克雷伯杆菌肺炎
参考答案:B
Mr. Brown asked us to stop_______ ,and we stopped_______ to him at once.[ ]
A. talking; to listen
B. to talk; to listen
C. talking; listening
D. to talk; listen
猪口蹄疫是偶蹄兽的一种急性、热性和高度接触性传染病。