烧结使用工业副产品，则综合利废主要是：（）、瓦斯灰、硫酸渣、（）、钢渣等。
参考答案：轧钢皮；转炉污泥
A client hospitalized with a pneumothorax has the following arterial blood gas (ABG) analysis: pH, 7.19; partial pressure of arterial carbon dioxide (PaCO2), 63 mmHg; and,22 mEq/L. A chest tube was inserted and oxygen administered at 4 L/min by nasal cannula. One hour after the initiation of treatment, ABG analysis reveals: pH, 7.28; PaCO2, 52 mmHg; and ,22 mEq/L. This change in ABG analysis indicates（）
A. respiratory alkalosis.
B. impending respiratory arrest.
C. the need for intubation.
D. improved respiratory status.
某个体经营部职员共6人，在该部经营者甲的带领下共同实施了寻衅滋事的违反治安管理行为，对此公安机关应当（）。
A.分别对6人进行处罚
B.处罚该单位负责人甲
C.对该单位进行处罚
D.对甲从重处罚
,22 mEq/L. A chest tube was inserted and oxygen administered at 4 L/min by nasal cannula. One hour after the initiation of treatment, ABG analysis reveals: pH, 7.28; PaCO2, 52 mmHg; and