材料采购方式有（）委托代购，加工订购，联营订货。
A、合同订购
B、自由选购
C、租赁
D、联合订货
参考答案：A, B, C
下列方剂中，适用于脾胃虚弱型痿证的是()
A．四妙丸
B．加味二妙散
C．参苓白术散
D．虎潜丸
E．补中益气汤
Einstein liked Bose's paper so much that he _____ his own work and translated it into German. [ ]
A. gave off
B. turned down
C. took over
D. set aside
