VII. Mark the letter A B C or D on your answer sheet to indicate the correct answer
Air pollutant emission factors are (1).



làm và giải thích đáp án



representative values that attempt to relate the quantity of a pollutant
the release of that pollutant. These factors are
released to the ambient air with an activity associated (2).
usually expressed as the weight of (3).
divided by a unit weight, volume, distance, or duration of the activity
sources of air pollution. In
emitting the pollutant. Such factors facilitate estimation of emissions from (4)
most cases, these factors are simply averages of all available data acceptable quality, and are generally assumed to be
representative of (5)
(6)
averages.
are 12 compounds in the list of persistent organic pollutants. Dioxins and furans are two of them and (7)
created by combustion of organics, like open burning of plastics. These compounds are also endocrine
disruptors and can mutate the human genes.
The United States Environmental Protection Agency (8)
factors for a wide range of industrial sources. (9).
countries have published similar compilations, (10)
1. A. report
published a complication of air pollutant emission
United Kingdom, Australia, Canada and many other
well as the European Environmental Agency
C. to report
C. in
C. pollutant
C. varying
D. long-sighted
D. Much
A. reporting
2. A. with
A. at
B. reported
B. of
3. A. pollute
A. pollution
B. polluted
4. A. vary
A. variation
B. various
5. A. short-dated
B. long-term
C. short-lived
6. A. There
B. Here
C. Many
7. A. intend
B. intention
8. A. have
B. has
9. A. A
B. An
10. A. so
B. more
C. most
D. as
C. intentional
C. having
C. The
D. intentionally
D. had
D. X