六级练习2013.09.29 problems, chemical, industry, commerce, represents

Rebecca949

There are some serious problems in the Biramichi river. The local chamber of commerce, which represents the industry in the area, (1)__________________ a one year study on fishing in the Biramichi river and write a rep ort for them. This is my report:
One of the major problems in the Biramichi river is that the level of oxygen in the water is too low. (2)___________________________. This chemical pollution has two sources: the factories which dump polluted water directly into the river and the local community which dumps untreated human wastes into the river.
The local town government has already spent (3)_________________________, but it will cost another 27 million to complete the projects. It will take at least 15 years for the town to collect enough revenue from taxes to complete these projects.

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伊梦青依

several chemicals have displaced the oxygen

追寻流逝

hired me a consultant to do
several chemicals had displaced the oxygen
2 million dollars on wast water treatment projects

susan.sui

hired me as a consultant to do
several chemicals had displaced the oxygen
2 million dollars on wast water treatment projects