下列哪味善于散阴寒之凝滞，行胸阳之壅结，为治疗胸痹的要药
A．沉香
B．香附
C．陈皮
D．薤白
E．枳实
参考答案：D
The boy is taller than_____ in his class.
A．any student
B．any other student
C．other student
D．all the students
二氧化硫的性质是什么？
