A：Hi，Dale!What are you doing？
B：（1）

D

D

It is reported that many teenagers in America can hear no better than 65-year-old people do.
A：Why？What caused the problem？
B：It was caused by noise pollution.（2）

A

A

A：Is noise a kind of serious pollution？
B：Yes，it is.（3）

G

G

A：That' s true.Many people including me pay less attention to it.
B：（4）

C

C

A：Yes.But I won't do that from now on.
B：（5）

F

F

A.These teenagers always listen to loud music. B.Let's take action to protect our environment. C.Do you often listen to loud music？ D.I am reading a piece of amazing news. E.I like music that makes me excited. F.I am glad that you decide to get out of the bad habit. G.But not all people know noise is a kind of serious pollution like air pollution.