外周血涂片出现有核红细胞，最常见于（）
A.急性胰腺炎
B.溶血性贫血
C.烧伤
D.腹泻
E.大手术后
参考答案：B
用and 或 but 填空
1. My brother likes thrillers I like action movies.
2. My brother likes thrillers documentaries.
3. Mary likes comedies she doesn’t like thrillers.
4. I am a student he is a teacher.
5. My brother wants to go to a movie my sister wants to do her homework.
下列结构中，能有节律的扩大和缩小产生呼吸运动的是 [ ]
A．胸腔
B．肺泡
C．肺
D．胸廓
