护理工作常见的压力源有哪些？
参考答案：①工作性质紧迫。②工作负担繁重。③工作环境不良。④人际关系复杂。
Mary said she didn't care anything about John, but her red face _____. [ ]
A. gave her away
B. put her away
C. got her away
D. threw her away
（）是确定炉子结构，供热方式及布置的主要依据。
A、加热制度
B、温度制度
C、供热制度
