下列属于工业企业主营业务收入的是()。
A. 出租周转材料的租金收入
B. 产品销售收入
C. 销售代制品收入
D. 提供工业性劳务收入
A.researchersB.membersC.employeesD.personnel
A. researchers
B. members
C. employees
D. personnel
A.randomlyB.carefullyC.speciallyD.absolutely
A. randomly
B. carefully
C. specially
D. absolutely
A.agreeableB.happyC.gratefulD.approving
A. agreeable
B. happy
C. grateful
D. approving