1 - listening comprehension
The answers are at the bottom of the PDF.
2 - reading comprehension
a - from the moment the nose gear leaves the ground on take off until it touches the ground during landing.
b - typically between 1 and 3 minutes, with the wind playing an important role.
c - "the heavier the aircraft and the slower it is flying, the stronger the vortex".
d - "a Boeing 747, with a span of 65 metres, trails a vortex from both wingtips each with a diameter of around 65 metres."
4 - word game
5 - general English corner
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