例4：It found that 2% of Europeans suffer severely disturbed sleep because of noise pollution and 15% can suffer severe annoyance. Chronic exposure to loud traffic noise causes 3% of tinnitus cases, in which people constantly hear a noise in their ears。

　　例5: Some people may point out that too much exposure to advertising imposes a lot of pressure on children as well as their parents。

　　例6：The report raises concerns about how this increasing amount of time spent with media is affecting us -- and specifically, how it is affecting youth. Heavy media exposure could have long-term effects on our bodies and brains that we dont realize。

　　例5和例6都是媒体类的写作素材，说明过多的接触广告等媒体信息对青少年的身心影响。

　　例7：The American Medical Associations Council on Scientific Affairs concluded in a 1997 report that given the particular uncertaintyregarding the long-term health effects of low-dose pesticide exposures, it is prudent for adults and children to limit their exposure and to consider the use of the least toxic chemical pesticides or non-chemical alternatives。

　　例7说明了过多的接触和使用杀虫剂等化学制品，对青少年的影响的确是存在的。政府应该通过限制孩子接触到杀虫剂的方式，降低化学制品对孩子的危害。

　　embrace

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