最难发生酸水解反应的苷是（）
A.N-苷
B.酯苷
C.酚苷
D.S-苷
E.C-苷
参考答案：E
In the middle of the twentieth century, people in North America ______.
A．were tired of the Nuclear Family
B．wanted to give up the Nuclear Family
C．believed that the Nuclear Family was hopeful
D．were indifferent to the Nuclear Family
呈倒卵形，略似花瓶，表面红黄色，有突出的刺状小点的药材是（）
A.木瓜
B.栀子
C.枳壳
D.连翘
E.金樱子
