与奋乃静的化学结构不相符的是()
A.吩噻嗪母核
B.哌嗪环
C.哌嗪乙醇
D.丙基哌嗪
E.哌嗪丙醇
参考答案:E
Mike spent time with ____native people to gain ____ better understanding of the country.
A.the; a
B.the; /
C.a; the
D./; a
若X→Y但Y不完全函数依赖于X,则称Y对X 【17】 。