铁路货物的发送作业包括货物的托运与承运、货运制票、运费核收和（）
A.货物装车
B.货物换装
C.货物运输变更
D.整车分卸
参考答案：A
The old man has been living by ________ since his children went abroad.[ ]
A. himself
B. him
C. his
报检单位必须在检验检疫机构注册登记，报检时填写登记号；报检员在报检时应该出示报检员证。（）
