单项选择题 BCD-600WPDG采用了一些人性化设计，包括（）

未知题型 2. The teacher asks the students to find out what happened to Spud Webb in 1985, 1986 and 1963 in order to guide them to explore how he realized his original dream through "flashback".

单项选择题 如果患者疼痛评分大于3分，则至少多少小时评估一次（）