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【单选题】
为了提高CO在反应CO(g) + H 2 O (g) = CO 2 (g) + H 2 (g)中的转化率,可以A.
增加CO的浓度
B.
增加水蒸气的浓度
C.
按比例增加水蒸气和CO的浓度
D.
三种办法都可以
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举一反三
【单选题】—I’m afraid Susan’s question made you angry. —______. If I had been angry, I would have refused to answer.
A.
Do be afraid
B.
You are right
C.
Don’t worry
D.
Yes, it did
【简答题】－What made Susan so angry? －____ in the rain for a long time. Being kept waiting B. Being kept to wait C. Because of waiting D. She was kept waiting
【单选题】Mori: You look so angry. What happened? Susan: Nothing.I ’d rather not talk about it. Mori: Come on. ________
A.
I ’ll just not ask about anything
B.
You need to let off some steam.
C.
If I were you, I ’d be mad, too.
D.
That ’ s easy.
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