鱼粉掺入的植物质中,除葵花粕、菜籽粕、棉籽粕,还有()。
A、骨粉
B、血粉
C、植物秸秆粉
D、尿素
参考答案:C
In my opinion, it is not so helpful to give someone some bread as it is to teach him how to ________. [ ]
A. make sense
B. make progress
C. make a life
D. make his way
加压前应认真检查试验接线,使用规范的短路线,表计倍率、量程、调压器零位及仪表的开始状态均正确无误,经确认后,通知所有人员离开被试设备,并取得()许可,方可加压。加压过程中应有人监护并呼唱。
A.检修工作负责人;
B.试验负责人;
C.监护人;
D.调度值班员