在品质管理中将“浪费”分为（）、（）、（）三种。
参考答案：机会损失的浪费；资源的浪费；工作进行方式的浪费
A: Excuse me. 小题1:
B: Sure. 小题2:
A: Oh, could you tell me how to get to the bank?
B: Sorry. You'd better ask that policeman. He may know.
A: Excuse me. 小题3:
C; Yes. Go straight and turn right. 小题4:
A; Thank you.
C: 小题5:
绞吸船采用三缆横挖法施工时，摆动角宜选用（）。
A.30°～50°
B.50°～60°
C.70°～90°
D.100°～120°
