克劳斯硫回收工段伴热蒸汽非常重要，但开车正常后有些管线可以不投用。
参考答案：错
看图完成对话。
Wei Hua: Tomorrow is Saturday. What 1 2 3 to do?
Lily: Nothing 4 .What 5 you?
Wei Hua: I 6 7 8 do some 9 .Would you like to go 10 ?
Lily: OK. When 11 we 12 13 meet?
Wei Hua: 14 15 tomorrow morning.
Lily: How 16 we 17 there?
Wei Hua: Let's go there 18 19 .
Lily: Are we 20 21 meet here, outside the 22 gate?
Wei Hua: OK. See you tomorrow.
Lily: 23 24 25 .
科学的技术化
