覆盖企业的各个职能部门，从各个环节持续不断地改进产品质量的管理思想是（）。
A．TQM
B．QFD
C．PDCA循环
D．JIT
参考答案：C
C76型货车车体为（），钢结构之间采用焊接，钢与铝、铝与铝之间采用铆接，其铆接部位均采用HUCK连接器进行连接
I was surfing the Internet ____ that the Chinese weightlifter Li Ping broke the world record. [ ]
A. when suddenly came the good news
B. while the good news came suddenly
C. when suddenly did the good news come
D. while suddenly came the good news
