【单选题】Every possible means_____ been tried,and we find only______ this means can we do it well.
【单选题】We have to ______ everything question in detail ______ we take action. [ ]
B.
make analysis of; when
【单选题】— We haven't done very well ,have we ? — At least we tried . [ ]
【单选题】下列药材在采收加工时进行“发汗”的是( )
【单选题】下列药材在采收加工时进行“发汗”的是()
【单选题】下列药材在采收加工时进行“发汗”的是()
【单选题】____ we have tried it, we can't imagine how hard it is. [ ]
【单选题】下列药材在采收加工时进行“发汗”的是 ( )