钢丝绳日常检查内容()
A、钢丝绳绳端压板是否松动
B、有无过度磨损
C、断丝情况
D、润滑情况
参考答案:A, B, C, D
—The railway station, please. I have to be there in ten minutes.
—______, but I’ll do my best.
A.No problem
B.OK
C.I can’t promise
D.I can’t do that
凡能进行转化的受体菌必需处于()
A.趋受态
B.趋化态
C.感化态
D.感受态