高三英語作文（熱門）
在日復一日的學習、工作或生活中，說到作文，大家肯定都不陌生吧，作文是一種言語活動，具有高度的綜合性和創造性。那么，怎么去寫作文呢？以下是小編整理的高三英語作文，僅供參考，希望能夠幫助到大家。
The seas and oceans receive the brunt of human waste, whether it is by deliberate dumping or by natural run-off from the land.
In fact over 80% of all marine pollution comes from land-based activities and many pollutants are deposited in estuaries and coastal waters.
Here the pollutants enter marine food chains, building up their concentrations until they reach toxic levels.
It often takes human casualties to alert us to pollution and such was the case in Minimata Bay in Japan when many people died as a result of a pollutant building up in food chains.
A factory was discharging waste containing methyl mercury in low concentrations into the sea and as this pollutant passed through food chains it became more concentrated in the tissues of marine organisms until it reached toxic levels.
As a consequence 649 people died from eating fish and shellfish contaminated with mercury and 3500 people suffered from mercury poisoning.
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