下列化合物不能发生碘仿反应的有()
A. 乙醇
B. 乙醛
C. 苯乙酮
D. 正丁醇
These days lots of people can do their shopping in their own homes thanks to the Internet.
A. 对
B. 错
Male and female are more likely to buy their Christmas gifts online now.
A. 对
B. 错
能与亚硝酸作用生成难溶于水的黄色油状物的化合物是()
A. N-甲基苯胺
B. 甲胺
C. 苯胺
D. 三乙胺