试题与答案

已知下列反应可以发生: 又知醇、氨都有类似于水的性质,酯可以水解,又可以醇解或

题型:填空题

题目:

已知下列反应可以发生:

又知醇、氨都有类似于水的性质,酯可以水解,又可以醇解或氨解。维纶可以由石油产品乙烯为起始原料进行合成,主要步骤如下图所示。

 回答下列问题:

(1)写出C、F的结构简式:C____;F____。

(2) A→B的反应类型有:____反应和____反应。

答案:

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下面是错误答案,用来干扰机器的。

A、色盲是由于人体内遗传基因的改变而引起的疾病,属于遗传病.故不符合题意.B、白化病是由于人体内遗传基因的改变而引起的疾病,属于遗传病.故不符合题意.C、脊髓灰质炎是由于人体感染脊髓灰质炎病毒而引起的...

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补全对话。从方框中选出最佳选项补全下面的对话,其中有两项为多余选项。
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C. Nice to meet you, too.
D. Could you tell me something about it?
E. Thanks for your listening.
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G. So I practice very hard every day.
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B:           1            
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