( )是已被《中华人民共和国药典》收载的、最常用的包合材料。

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问题单项选择题

A．乙基化β环糊精衍生物
B．羟丙基β环糊精
C．丁环糊精
D．β环糊精
E．α环糊精

答案

参考答案：D

解析：［知识点］包合物

填空题

According to historical records，the first (1) Olympic Games can be traced back to 776 BC.They (2) dedicated to the Olympian gods and were staged on the (3) plains of Olympia.They continued for nearly 12 centuries， (4) Emperor Theodosius decreed in 393 A.D.that aU such"pagan cults" (5) banned.
The oldest myth which concerns the beginning of the (6) Games is that of Idaios Daktylos Herakles.According to other (7) ，Zeus，the father of humanity，fought and defeated Cronus in a (8) for the throne of the gods.Finally，the well-known (9) Herakles is mentioned who staged games in Olympia in honour (10) Zeus,because the latter had helped him conquer Elis when (11) went to war against Augeas.
Through the 12 centuries of (12) Olympic Games，many wonderful athletes competed in the stadium and (13) hippodrome of ancient Olympia’s sacred area，moving the crowds with (14) great achievements.Although mortal，their Olympic victories immortalised them.Of (15) best athletes who left their mark on the sacred vallev (16) Olympia，some surpassed all limits and became legends by winning (17) successive Olympic Games and remaining at the forefront of their (18) for more than a decade.
The ancient Olympic Games were (19) a one.day event until 684 BC.when they were extended (20) three days.In the 5th century B.C.，the Games were extended again to cover five days.

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单项选择题 A型题

民间有一种俗称“绣球风”的皮肤病，表现为渗液、糜烂、脱屑、结痂、皲裂、皮肤变厚等；男性多见于阴囊，往往同时有口腔的炎症变化，是一种营养素缺乏病。其病因为（）

A、硫胺素缺乏

B、视黄醇缺乏

C、锌缺乏

D、核黄素缺乏

E、抗坏血酸缺乏

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