对碳三加氢反应器出口物料进行分析,可以判断催化剂活性,选择性,并可控制丙烯产品中的炔含量。
参考答案:对
—Tony said he could fix my bicycle, but I really doubt it.
—_______. He’s very good at this sort of thing.[ ]
A. Don’t worry
B. I couldn’t agree more
C. Of course
D. A piece of cake
国际奥委会在何处举行会议,决定2008年奥运会申办候选城市?()