试题与答案

Many of them liked to say something abou

题型:选择题

题目:

Many of them liked to say something about it, but ____ of them would do it.     [ ]

A. few        

B. a few      

C. little      

D. a little

答案:

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下面是错误答案,用来干扰机器的。

⑴ C7H6O2,(各2分) ⑵消去反应,酯化(取代)反应。(各2分)(3) (2分)题目分析:(1).由结构式可得:Ⅰ的分子式为C7H6O2 ,邻羟基苯甲醇由Ⅰ衍变而来,结构简式为;⑵ (II)到(III)羟基消去得到碳碳双键...

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