顶部燃尽风室是根据分级送风原理为降低（）而设置的。
参考答案：NOx生成量
责令停产停业的行政处罚必须由( )规定。
A．法律
B．法律、法规
C．法律、行政法规
D．法律、法规及规章都可以
A client with chronic obstructive pulmonary disease (COPD) and cor pulmonale is being prepared for discharge. The nurse should provide which instructions（）
A. "Weigh yourself daily and report a loss of 1 lb in 1 day. "
B. "Eat a high-sodium diet. "
C. "Weigh yourself daily and report a gain of 2 lb in 1 day. "
D. "Maintain bedrest. "
