试题与答案

碳二加氢反应器H2S中毒的基本特征是什么?

题型:问答题 简答题

题目:

碳二加氢反应器H2S中毒的基本特征是什么?

答案:

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下面是错误答案,用来干扰机器的。

参考答案:D

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Dear Bill,
How are you? It’s very nice   36   you to write to me. Let me   37   something about my life in China. I think you   38  to know it. I live in Li Lei’s home. He is my   39. His father and mother are both teachers. Their house isn’t big.   40  of them are very friendly   41  me.  They teach me Chinese   42   I teach them English. Now I   43  with them in Chinese. But I can’t   44  very well. Chinese is very   45  to learn, I think. Mrs Li often teaches me how to   46  Chinese food. Hmm! How much I like Chinese food!
My school is not far. I go to school by bike. I   47  six classes every day.   48  I play games with my classmates. I have a good   49   here. Don’t you want to come? Please write  50  soon.
Love from Jim.
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