按照买方类型的不同,可将市场分为()。
A.商品市场
B.服务市场
C.组织市场
D.金融市场
E.消费者市场
参考答案:C, E
— What do you think of our school, Thomas?
— Terrific! It is a school _______ everybody tries his best to improve himself and keep up with others.
A.which
B.when
C.that
D.where
其分子结构中不含氧原子的是()
A.小檗碱
B.利血平
C.伪麻黄碱
D.东莨菪碱
E.烟碱