Read the reading below carefully, and then complete it with the best option A, B, C or D given below:
Air pollutant emission factors are (1) ___________ representative values that attempt to relate the quantity of a pollutant released to the ambient air with an activity associated (2) ___________ the release of that pollutant. These factors are usually expressed as the weight of (3) ___________ divided by a unit weight, volume, distance, or duration of the activity emitting the pollutant. Such factors facilitate estimation of emissions from (4) ___________ sources of air pollution. In most cases, these factors are simply averages of all available data acceptable quality, and are generally assumed to be representative of (5) ___________ averages. (6) ___________ 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) ___________ published a complication of air pollutant emission factors for a wide range of industrial sources. (9) ___________ United Kingdom, Australia, Canada and many other countries have published similar compilations, (10) ___________ well as the European Environmental Agency
Hãy suy nghĩ và trả lời câu hỏi trước khi xem đáp án
Lời giải:
Báo saiGiải thích: cần trạng từ bổ nghĩa cho động từ created
Tạm dịch: Dioxin và furan là hai trong số đó và được tạo ra một cách có chủ đích bằng cách đốt cháy các chất hữu cơ, giống như đốt cháy chất dẻo