In order to address the pollution problem, both the quality ...

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Ano: 2012 Banca: CESPE / CEBRASPE Órgão: UNB Prova: CESPE - 2012 - UNB - Vestibular - Língua Inglesa 01 |
Q334023 Inglês
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Judge the items from 19 through 27 based on to the text above.
In order to address the pollution problem, both the quality and type of the fuel used in Mexico City were changed.
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