栀子大黄汤与大黄硝石汤两方不同的药物有（）
A.栀子
B.硝石
C.枳实
D.黄柏
E.豆豉
参考答案：B, C, D, E
—What do you think of the building built to the shape of nature?
—______.
A．Yes, I like its shape
B．What I like is the colour
C．It’s really like a bird net
D．I really think it is wonderful
0.5molC2H4和Cl2完全加成，再与Cl2光照条件下发生取代反应，所有氢原子被氯原子取代，则共消耗Cl2的物质的量是
A．1.5mol
B．2mol
C．2.5mol
D．3mol
