尤因肉瘤是（）。
A.肿瘤样病变
B.良性骨肿瘤
C.有恶性倾向的良性骨肿瘤
D.恶性骨肿瘤
E.继发性骨肿瘤
参考答案：D
-- Why did you leave the fan on in your room? It’s a waste of electricity.
---________
A．I don’t think so, either.
B．Not at all.
C．Sorry, I will turn it off.
D．That’s all right
二陈汤中的君药是（）
A.橘红
B.半夏
C.茯苓
D.炙甘草
E.乌梅
