A. Thank you for your help! B. Thanks for your meal! C. Thank you for your understanding! D. Thank your for your cooperation!
A. Cloze your phone, please. B. Please switch off your cell phone. C. Please turn your cell phone. D. Please switch on your cell phone.
A. It's very pleasant. B. It's very late. C. It's very heavy. D. It's very urgent.
A. allowed B. prohibited C. popular D. silent
A. 在出租车上 B. 在滑行过程中 C. 在滴滴快车上 D. 在顺风车上
A. destroy B. break out C. turn off D. interfere with
A. 进入网站 B. 增加流量 C. 网络游戏 D. 连接网络
A. 飞行和谈话系统 B. 导航和通讯系统 C. 导航和连接设备 D. 航行和聊天设备
A. 中国飞行权威 B. 中国民航局 C. 中国南方航空公司 D. 中国机长
A. China B. People's Republic of China C. P.R.C. D. All the above
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