死亡记录内容中哪点不需细述（）
A.诊疗经过的记录包括入院后病情演变及诊治情况
B.过去史和家族史
C.抢救经过
D.死亡原因
E.死亡时间
参考答案：B
—The shoes are very nice. I'll take them.
—But you must _______ first. I think the size is a bit small for you. [ ]
A. pay for them
B. try them on
C. put them on
D. Take them off
下列因素中，能造成离心泵填料函发热的是（）。
A、冷却水量大
B、填料压盖松
C、填料少
D、冷却水中断或不足
