治疗手术后腹气胀和尿潴留最好选用：
A. 乙酰胆碱
B. 毛果芸香碱
C. 新斯的明
D. 阿托品
E. 安贝氯铵
患者男，10岁。因家人用饮料瓶装敌敌畏，患儿误服，以有机磷中毒急诊入院。以下措施错误的是
A. 反复洗胃
B. 建立静脉通道
C. 保持呼吸通畅
D. 密切观察生命体征、瞳孔、皮肤变化
E. 给予吗啡镇静
The excavation of Mohenjo-Daro indicates that India’s earliest civilization
A. had a strong central government
B. was governed by merchants
C. had little if any commercial contacts with other civilized lands
D. had no dependence on irrigation agriculture
What determined a person's place within the Indian social hierarchy?
A. his religious piety
B. the degree to which his occupation was considered polluting
C. wealth
D. position within the government
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