345，268，349，364，353，260，357，______。
A. 36
B. 256
C. 370
D. 254
The first paragraph tells that ______.
A. the problem of the generation gap draws much attention from people
B. it is out of date to talk about the generation gap
C. children and parents are trying to understand each other
D. it is very important for people to talk with each other often
符合申请中药二级保护品种条件的是（）
A. 对特定疾病有特殊疗效的
B. 对特定疾病有显著疗效的
C. 用于预防特殊疾病的
D. 用于治疗特殊疾病的
E. 已申请专利的中药品种
依照《野生药材资源保护管理条例》及《国家重点保护野生药材物种名录》属于濒临灭绝状态的稀有珍贵野生药材是（）
A. 羚羊角
B. 龙胆
C. 穿山甲
D. 当归
E. 水牛角
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