司机在收放箱作业前一定要推拉小车看清所作业贝位的情况,尤其是放第()箱时一定要看清落箱点是否有人或障碍物。
A、一层
B、二层
C、四层
D、五层
参考答案:A
all the required papers, he didn’t answer the questions fluently in class.
A.Having not read
B.Not having read
C.Not read
D.Not to read
当归六黄汤组成中用量需"加一倍"的药物是()
A.生地
B.黄芪
C.当归
D.黄柏
E.熟地