血栓性浅静脉炎外治可选用下列除哪项外药物：（）
A.金黄散
B.四黄散
C.玉露散
D.白玉膏
E.金黄膏
参考答案：D
I think the lives of children in poor areas _____ greatly by this project.
A．improve
B．improved
C．can improve
D．can be improved
2.16gX2O5中含有0.1mol氧原子，则X的相对原子质量为（ ）
A．14
B．28
C．21.6
D．31
