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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【多选题】全球主流的卫星导航定位系统有哪些（）
A.
欧洲的全球卫星导航系统“伽利略（Galileo）”
B.
美国的全球卫星导航系统“GPS”
C.
俄罗斯的全球卫星导航系统“格洛纳斯（GLONASS）”
D.
中国的全球卫星导航系统“北斗系统”
【单选题】下列哪些是装卸危险货物时值班驾驶员的职责? 1 防止货物毁损或外泄导致污染环境 2 备妥消防和急救设备 3 按规定采取一切安全防范措施 4 与岸上人员保持通讯联络
A.
1--3
B.
2--4
C.
1--4
D.
1，2，4
【单选题】Speeding off in a stolen car, the thief thinks he has got a great catch. But he is in for an unwelcome surprise. The car is fitted with a remote immobiliser (锁止器), and a radio signal from a control ce...
A.
it takes a longer time for the car thief to do the stealing
B.
self-prepared tools are no longer enough for car theft
C.
the thief has to make use of computer technology
D.
the thief has lost interest in stealing cars over 10 years old