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【单选题】Every year television stations receive hundreds of complaints about the loudness of advertisements. However, federal rules forbid the practice of making ads louder than the programming. In addition, t...
A.
TV stations always operate at the highest sound levels
B.
their sound levels are kept around peak levels
C.
their sound levels are kept in the middle frequency ranges
D.
unlike regular programs their intensity of sound varies over a wide range
【多选题】按照安全技术训练制度要求，消防救援站必须组建紧急救助小组，开展遇险指战员搜救专项训练，如：（）和逃生自救等，提升紧急救助能力。
A.
破拆
B.
搜索
C.
救助
D.
转移