锅炉大气污染物排放标准控制的主要污染物除烟尘外还有（）。
A.二氧化硫；
B.二氧化碳；
C.一氧化碳；
D.碳氢化合物；
参考答案：A
Following a precipitous delivery, examination of the client’s vagina reveals a fourth-degree laceration. Which of the following would be contraindicated when caring for this client
A. Applying cold to limit edema during the first 12 to 24 hours.B. Instructing the client on the use of sitz-baths if ordered.C. Instructing the client about the importance of perineal (Kegel) exercises.D. Instructing the client to use two or more peripads to cushion the are
如果您的车辆属于葬礼车队的一部分，您应该怎么做？（）
A.保持您的前车灯低光
B.保持您的危险警示灯开启
C.按喇叭
D.降下您的车窗
