На этой странице находится восьмое упражнение по теме ЭКОЛОГИЯ НА АНГЛИЙСКОМ.
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heavily polluted, cloud of pollution, uninhabitable, air quality
The (1)……….in many of the world’s largest cities is so poor that we have seen an enormous increase in chest and lung illnesses such as asthma. These cities are (2)……….and some are permanently covered by a (3)………. . Unless we begin to take the problems more seriously and start to do something about them, many of our biggest cities, particularly in the developing world, will become (4)………. .
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