【单选题】Why did the man call the woman?
A.
He was unable to attend her class.
B.
He wanted to deliver something to her office.
C.
He wanted to hand in a late assignment.
D.
He wanted to drop her course.
【多选题】拣货费用主要包括哪几个部分?
C.
拣货管理部门为管理和组织拣货作业所发生的管理费用和业务费用
【判断题】分拣费用主要包括配装环节发生的材料费用、人工费等。()
【单选题】如果在相关分析中,两个变量的相关系数为0.9,说明两个变量( )。
【单选题】He wanted to ask her to marry him but he was too shy to do it at once. He ______ by saying he often felt lonely.