监控质量达标的直接责任由谁承担？（）
A、委派到项目团队的项目工程师
B、项目经理
C、每位职能经理
D、质量经理
参考答案：D
— What's the matter with you?
— Oh, I'm feeling tired and sleepy now. I _____ so late last night. [ ]
A. couldn't have stayed up
B. mustn't have stayed up
C. shouldn't have stayed up
D. needn't have stayed up
内宾团的导游服务团队一般由（）组成。
A、领队
B、全陪
C、地陪
D、景点讲解员
