食物中毒的流行病学特点是()。
A.中毒的发生与吃某种食物有关
B.以集体暴发多见
C.发病具有明显的季节性、地区性
D.以细菌性食物中毒为主
E.以上都是
参考答案:E
The village I grew up _____ was destroyed by the earthquake last year and is under construction now. [ ]
A. in
B. in it
C. in that
D. in which
持续性胸痛常由下列疾病引起,但除外
A.心绞痛
B.肺检塞
C.胸膜炎
D.肺炎
E.急性心包炎