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  3. Certain portable electronic devices(PEDs)may interfere with aircraft navigati

Certain portable electronic devices(PEDs)may interfere with aircraft navigati

游客2023-09-20  30
问题    Certain portable electronic devices(PEDs)may interfere with aircraft navigational equipment. PED use is permitted while on the ground when the boarding door is open, and in flight when advised by crew members. About 10 minutes before departure, passengers will be asked to turn off computers, cell phones and other PEDs. The following PEDs are approved for use during the flight time:
   - Personal Computers
   - Handheld computer games
   - Personal stereo and video devices
   Medical devices are permitted at all times while TVs. radios, two-way radios, remote-control devices and some other electronic devices are not permitted. Due to safety concerns, the crew may at any time request that PEDs be turned off.
   Cell phones may be used only in the following instances:
   - When the aircraft is at the gate and the boarding door is open.
   - When the aircraft is on the ground away from the gate and the captain has approved their use. [br] Who has the right to approve the use of cell phones when the plane is away from the gate ready to take off? ______.
选项
答案 The captain
解析 本题考查在飞机准备起飞时谁有权限批准使用手机。根据线索词approve the use of cell phones和away from the gate定位到原文最后一段。定位段指出了可以使用手机的两种情况，其中第二种情况是，在飞机准备起飞时，需要在得到机长批准的情况下才能使用手机。由此可见，此时只有机长才有批准使用手机的权限，所以空格处应填入The captain。
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