1,don't drink that water . It's.............. A,damaged B,Dumped C,Contaminated D, Poison 2 The water temperature in steams, rivers,oceans change is the effect of................. A visual pollution B Thermal pollution C water pollution D Light pollution 3, .......... is a chemical used for killing pét, especially insects A cholera B pesticide C sewage D pollutants 4, I dream of traveling to london one day -............................................................ A London is the capital of England B It usually rains a lot in London C My relatives live here D Let's save money and take a tour there when we're affordable