Topic 1 Pollution has caused too many probl ems.
Section C
Ⅰ. Learning aims.
New words：deaf, environment, print, hearing, recently, disturb.
New phrases：not all…, be harmful to…, quite a few, recently, It’s reported that…, no better than…, do harm to…, including…
New languages：
1、Not all people know noise is also a kind of pollution and is harmful to humans’ health.
2、Many of the workers who print newspapers and books lose their hearing.
3、It was reported that many teenagers in America can hear no better than 65-year-old people do.
4、It not only disturbs others but also does great harm to people’s hearing.
5、Many countries are trying to solve all sorts of environmental problems, including noise pollution.
