What devices are not permitted to use for take-off and landing?
A: mobile phone
B: radios
C: laptop computer
D: remote-controlled equipment
A: mobile phone
B: radios
C: laptop computer
D: remote-controlled equipment
举一反三
- 中国大学MOOC: What devices are not permitted to use for take-off and landing?
- What type of phone will you usually use for business purpose? A: landline B: mobile phone C: online phone D: collect phone
- Handheld devices, such as posters, radios, portable computers and other wireless devices, make up the growing mobile device market.
- 英译汉：you aren't permitted to use your laotop during taking off or landing because it might interfere with the navigation system.
- -- Can I use your mobile phone ? --- Sorry , my mobile phone _____ .