采用发芽法制备的药物是()
A.竹沥
B.大豆黄卷
C.黄药子
D.六神曲
E.百药煎
参考答案:B
Even when he was sent to prison, his mother ______ him. [ ]
A. stood for
B. stood by
C. picked up
D. watched out
移动式电动工具在使用时,为保障使用者人身安全,其控制开关应装设()保护装置,并有双极开关控制。
A、短路
B、过载
C、漏电
D、断相