Mai Anh

READING
1. Read the passage and fill in the blanks with the given words.

emission
upgrading

environment
diseases
pollution
If you wander on the streets of Ha Noi, the capital of Viet Nam, you may be surprised that most
people are wearing masks, hiding their faces. This is because of serious air (1)_

this city. Between March 1 and 4, 2016, the air quality index of Ha Noi, as measured by the US
Embassy in Ha Noi was over 350. At this level, air pollution can cause lots of respiratory (2)
_, especially to children and the elderly. The major cause of air pollution in Ha Noi is
traffic. Due to the increasing number of motorcycles and cars in the last decade, the (3)

of chemical exhausts has been on a constant rise. Another reason is urban
construction, including road (4)_
_ projects and residential buildings. People have to live
with the dust and dirt throughout the city. Environmental experts have warned that if the city
continues to develop its economy with little regard to the (5)_
, the consequence will be
tragic.


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