计算质量成本的方法有（）。
A.质量成本法
B.生产成本法
C.过程成本法
D.财务成本法
E.质量损失法
参考答案：A, C, E
— I tried to _____ you at home several times, but no one answered the phone.
— I was traveling around last three months. [ ]
A. touch
B. reach
C. receive
D. meet
空调与采暖系统冷、热源及管网节能工程进场材料需复检的项目有哪些？
