单选题 【单选题】 P: How long will the screening take? O:(

单选题 【单选题】 which post will use the following term:"Please collect your belongings."

单选题 【单选题】 Would you mind taking off your coat and()for separate screening?

单选题 【单选题】 The ()can be exempt from security screening

单选题 【单选题】 Which of the following categories ofcontraband is electronic lighters is belonged to

单选题 【单选题】 Please pass through the O)one by one.

单选题 【单选题】 Restricted area permit is issued and managedby the civil aviation public security organization inaccordance with the relevant provisions of thecompetent civil aviation authority under the State Council

单选题 【单选题】 Please wait behind the ().