依据职业道德基本要求，质量专业技术人员要正确处理好（）方面的关系。
A.与企业
B.与顾客
C.与认证机构
D.与同事
参考答案：A, B, D
It was dangerous for you to swim in that river. You eaten by the fish. [ ]
A. might have been
B. must have been
C. could have been
D. should have been
