热力学温度K和华氏度℉在表示温度差和温度间隔时：1℉=（）。
A.5/9K
B.1K
C.9/5K
D.10K
参考答案：A
.Mr Harris apologized ______ the children ______ the lady ______ what they had done.
A．for; to; to
B．to; to; for
C．for; to; for
D．to; for; for
胸骨左缘第2肋间收缩期震颤见于
A．主动脉瓣狭窄B．肺动脉瓣狭窄C．室间隔缺损D．二尖瓣狭窄E．动脉导管未闭
