考研英语听力基本功训练1: Passage11
The air that you breathe inside an airline cabi
isn't nearly as good as what you will find in most other plac
Furthermore,the air is very very dr
I strongly advi
bringing a litre or two of water with yo
and guzzling that non-stop throughout the tri
Finall
the air is filled with the exhaust products of your fellow traveller
One of these can be cigarette smok
while smoking has been banned on domestic US flights,
such rules are not followed around the glob
