烟(风)道、垃圾道均应按部位进行( )检查，主烟(风)道与垃圾道的检查部位按轴线记录。
A．20%
B．30%
C．50%
D．100%
参考答案：D
So hard was the woman's life, but to her _____ , her only son was admitted to a top
university last year. [ ]
A. surprise
B. relief
C. astonishment
D. disappointment
按照1970年全国烧伤会议提出的标准，哪项属于重度烧伤
A．Ⅱ度烧伤面积9%
B．Ⅱ度烧伤面积15%或Ⅲ度面积5%
C．总面积29%合并呼吸道烧伤
D．总面积25%或Ⅲ度面积9%
E．总面积29%或Ⅲ度面积＜10%
