违反规定使用明火作业,情节严重的,方可给予处罚。
参考答案:错
免疫是人体的一种生理功能,人们依靠这种生理功能来识别“________”和“________”。
Sometimes walking is even ______ than driving during the busy traffic time. [ ]
A. fast
B. faster
C. slow
D. slower