危险化学品安全技术

石油、化工生产的性质决定了检修工作具有( )的特点。

A．频繁、复杂、指挥困难

B．频繁、复杂、危险性大

C．缓慢、复杂、危险性大

D．复杂、指挥困难、危险性大

Woman: Excuse me; could you bring me a glass of water, please
Man: Sorry, but I’m not a waiter.
Question: What does the man mean

A. He wants a glass of water.
B. He won’t do as the woman asks.
C. He can’t wait any longer.
D. He’s looking for the waiter.