氯苄水解生成苄醇属于什么反应 ( )A. B. C. D.
A. 亲电加成
B. 亲电取代
C. 亲核取代
D. 亲核加成
查看答案
卤代烃可以用下列哪种物质制备
A. 烷烃
B. 醇
C. 烯烃
D. 羧酸
What does all sentences need to begin?
A. a verb
B. a capital letter
C. an object
Every sentence needs a verb or
A. an action word
B. a conjunction
C. a question mark
One of my favorite Chinese foods is
A. snake
B. jiaozi
C. broccoli