总承包企业和劳务企业必须每月支付一次劳务企业农民工的（）
A.全部工资
B.基本工资
C.奖金
D.生活补贴
参考答案：B
在产品焊接试板的制作要求中，试板的焊接接头经外观检查合格后应()射线检测合格。
A.10%
B.30%
C.50%
D.100%
He was so diligent that he _____ as a fresher in Qinghua university three years later. [ ]
A. brought up
B. ended up
C. picked up
D. looked up
