According to the text, when are suspects not in custody？
A. When free to refuse to answer questions.
B. When free to leave the police station.
C. When apprised of their Miranda rights.
D. When free to obtain and consult a lawyer.
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Electronic devices are allowed to be turned on during flight probably because______.
A. they have no interference with plane"s communications
B. they are necessary devices to some passengers
C. the reason to switch them off is different from that of cell-phone
D. the interference they bring doesn"t last long
All of the following is prohibited during takeoff and landings except______.
A. electronic book
B. MP5
C. tablet computer
D. brain pacemaker
我国第一部真正意义上针对建设工程安全生产的行政法规是()
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