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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2023-09-19  11
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] What devices can be used on the plane throughout the flight? ______.
选项
答案 Medical devices
解析 本题考查在飞机飞行全程都可以使用的设备。根据线索同devices和throughout the flight定位到原文第二段第一句。题干中的can be used和throughout the flight分别是对定位句中的are permitted和at all times的同义转述，这样句子的主语就是本题的答案。因此，空格处需填入Medical devices。注意，句首的M需要大写。
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