二陈汤中煎加乌梅的用意是（）
A.收敛肺气
B.安蛔止痛
C.涩肠止泻
D.敛肺止咳
E.敛阴止汗
参考答案：A
看图，完成对话。
1. A: Is this a pen?
B: No,________ ________ .
A: What________ ________ ?
B:________ Is________ ________ .
2. A: What________ ________ ?
Is it a________ ?
B: Yes, it is.
3. A:________ that?
B: It's a_________.
A: ________ do you spell it?
B:________.
4. A:________ ________ .Is that a baseball?
B: No, it isn't. It's a ________ .
若抛物线y=（m-1）x2+2mx+m+2恒在x轴上方，则m______．
