大定风珠的组成药物中含有
A．柏子仁B．桃仁C．郁李仁D．杏仁E．麻子仁
参考答案：E
六味汤由荆芥、僵蚕、防风、薄荷______、______组成。
So many uses have been discovered for this wood ____ the supply of white pine is becoming smaller and smaller.
A．then
B．what
C．that
D．which
