苍术的木栓层中夹有
A．石细胞环带
B．纤维
C．油细胞
D．油管
E．油室
参考答案：A
Though_______ money, his parents managed to send him to university.
A．lacked
B．lacking of
C．lacking in
D．lacked in
取中脘、神阙、足三里治疗腹痛之
A．寒证
B．实证
C．虚证
D．热证
