【单选题】“以苍璧礼天,以黄琮礼地,以青圭礼东方,以赤璋礼南方,以白琥礼西方,以玄璜礼北方”出自( )
【判断题】以苍璧礼天,以黄琮礼地,以青圭礼东方,以赤璋礼南方,以白琥礼西方,以玄璜礼北方 。
【单选题】I decided to go with them I had nothing better to do.
【简答题】药物的常用量是指() A最小有效量到最小致死量之间的剂量 B最小有效量到极量之间的剂量 C最小有效量到最小中毒量之间的剂量 D治疗量 E以上均不是
【单选题】I decided to go with them ________ I had nothing better to do.