提高氨合成塔的空速,其效应是()。
A.氨的产量下降
B.副反应得到抑制
C.氨的产量增加
D.加剧副反应的进行
参考答案:C
---What did you think of our performance on the charity show?
---Wonderful. I don’t think I can see a ______ one.
A.worse
B.better
C.worst
D.best
国内档次较高的饭店一般是()个餐位配一名烹调师
A.15
B.18
C.12
D.16