听力原文: Falling ticket prices and rising incomes are leading to rapid growth in global a
The British government wants the use of aviation fuel covered by international agreement on the environment. The difficulty for any individual government is that taxing fuel used at its own airports might push airlines to move their operations to competing airports in other countries.
Why the aviation fuel is more harmful to the environment than others?
A.Because of the poisonous quality.
B.It has to do with the position of the pollution.
C.The aviation fuel is special.
D.There is too much dirt in its resulting smoke.