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With the combination of deadly car fumes and an alarming amount of industrial toxins, Mexico City is by (1) ________ the most polluted city in the world. It is so polluted, in fact, that it has broken the World Health Organisation's safety levels. Due to lack of pollution control, little has (2) ________ done to improve the air quality of Mexico City. The 30,000 industrial factories that operate within the city have no regulations whatsoever regarding the release of toxic waste (3) ________ the atmosphere. This, combined (4) ________ the one million barrels of leaded petrol used (5) ________ day, has caused pollution levels to sky[1]rocket. The city’s dilemma is made worse by its high altitude. Situated on a 7,000 foot high plateau and surrounded (6) ________ mountains and volcanoes, the pollution has no way of escaping and becomes trapped. Mexico’s government is worried (7) ________ the pollution, but sadly, the (8) ________ that have been made so far such as only allowing cars to operate for six (9) ________ of seven days, are simply (10) ________ enough

Duy Nguyễn Văn Duy
6 tháng 12 2023 lúc 20:35

1 one
2 cleaning
3 up
4 with
5 several days
6 by
7 about
8 Mexico
9 in six days or
10 not enough

Sinh Viên NEU
7 tháng 12 2023 lúc 2:21

1 far

2 been

3 into

4 with

5 per

6 by

7 about

8 efforts

9 days

10 not


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