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举一反三
【单选题】The biggest safety threat facing airlines today may not be a terrorist with a gun, but the man with the portable computer in business class. In the last 15 years, pilots have reported well over 100 in...
A.
is in favor of prohibiting passengers’ use of electronic devices completely
B.
has overestimated the danger of electromagnetic interference
C.
hasn’t formed his own opinion on this problem
D.
regards it as unreasonable to exercise a total ban during flight
【多选题】下列关于航空安全员说法正确的是（ ）。
A.
航空安全员队伍是空中反恐处突的基本力量
B.
有义务防范客舱非法干扰行为
C.
有义务制止客舱非法干扰行为
D.
负责客舱服务
【多选题】戒严执勤人员依照戒严规定有权对下列哪些人员予以拘留？（）
A.
正在实施危害国家安全.破坏社会秩序的犯罪或者有重大嫌疑的；
B.
阻挠或者抗拒戒严执勤人员执行戒严任务的；
C.
抗拒交通管制或者宵禁规定的；
D.
从事其他抗拒戒严令的活动的。