新员工通过企业招聘测试并到企业报到后，需要经过一段时间培训，这叫( )
A．教育培训
B．工作培训
C．岗前培训
D．技能培训
参考答案：C
--- The Greens have gone to Yangzhou for a trip, haven’t they ?
---____ , and they will return tomorrow afternoon.
A．Yes, they have
B．No, they haven’t
C．Yes, they haven’t
D．No, they have
每公斤体积超过（）cm3的货物称为轻泡货物。
A、5000
B、4000
C、8000
D、6000
