Choose the best answer to complete the sentence.
Heavy traffic flow is a major source of noise ______ in urban areas.
-
A.
polluting
-
B.
pollute
-
C.
polluted
-
D.
pollution
Pollute: ô nhiễm (v)
Polluted: ô nhiễm (adj)
Pollution: sự ô nhiễm (n)
Cụm từ: noise pollution (ô nhiễm tiếng ồn)
=> Heavy traffic flow is a major source of noise pollution in urban areas.
Tạm dịch:
Lưu lượng giao thông lớn là một nguyên nhân chính gây ô nhiễm tiếng ồn ở các khu vực đô thị.
Đáp án : D
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