入则孝不包括（）
A.父母呼，应勿缓
B.父母命，行勿懒
C.有余力，则学文
D.父母教，须敬听
参考答案：C
At eight o’clock last night Alice _________ with her family happily in Hongkong.
A．has dinner
B．had dinner
C．is going to have
D．was having dinner
呼吸功能不全病人开胸术后如需镇痛治疗宜选用（）
A.肌注吗啡
B.静点吗啡
C.硬膜外低浓度局麻药
D.硬膜外低浓度局麻药+吗啡
E.肌注哌替啶
