按()核收运费的企业租用车的装车,按装车数统计。
A.60%
B.70%
C.80%
D.90%
参考答案:C
—What an________movie! —Yes, all of the children were ________ in it.
A.interested; interesting
B. interesting ; interested
C.interested; interested
D. interesting ; interesting
某工厂现生产某种零件30件,加工工序数为3,每道工序的单件加工时间:t1=5分钟,t2=5分钟,t3=10分钟。
根据以上资料,回答下列问题:
如果采用顺序移动方式,生产这批零件共需要()分钟。
A.310
B.450
C.600
D.1800