最低共熔温度
参考答案：
物料在加热过程中，两种或两种以上组分开始出现液相的温度称为最低共熔温度。
— What happened to Bill?
— He _____ really fast when suddenly he ran headfirst into a parked car. [ ]
A. had run
B. was running
C. has run
D. has been running
肺炎球菌肺炎病人予（）。
A．高流量面罩给氧
B．高流量酒精湿化吸氧
C．2-4L/分鼻导管给氧
D．1-2L/分持续鼻导管给氧
E．持续低流量吸氧
