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[email protected] в категроии Английский язык, вопрос открыт 12.06.2018 в 11:12

1.A program of measures aimed at purifying the water in this region is to be elaborated.

2.The environmental problems have acquired a global importance.

3.This factory doesn't erupt harmful gas and soot after a new powerful filter has been installed.

4.At present many industrial enterprises have their own purification installations to protect environment.