高致病性禽流感病的流行特点是()
A.发病急骤但流行范围小
B.感染谱窄但传播迅速
C.传播迅速但致死率低
D.流行范围大且致死率高
E.发病缓慢且感染谱窄
参考答案:D
将下列句子编号,使其成为一段完整的对话。
( ) Xiaoming, we have a new classroom.
( 1 ) Hello, Li Hong.
( ) Li Hong, this is our new classmate — Peter.
( ) It's near the window.
( ) It's so big!
( ) Where is my seat?
( ) Nice to meet you, too.
( ) Hello, Xiaoming.
( ) Nice to meet you.
( ) Let's go and have a look.
患者男,47岁。1天前吃海鲜后出现发热、呕吐、腹痛腹泻,有里急后重感。该患者的诊断是()
A.肠结核
B.伤寒
C.急性菌痢
D.霍乱
E.Crohn病