Câu hỏi:

17/06/2026 351

Mark the letter A, B, C or D on the answer sheet to indicate the word (s) closet in meaning to the underlined word (s) in each of the following question.

The air is naturally contaminated by foreign matter such as plant pollens and dust.

A. concentrated          

B. filled           

C. polluted      

Đáp án chính xác

D. occupied

Trả lời:

verified Giải bởi Vietjack

Kiến thức: Từ đồng nghĩa

Giải thích:

contaminated (adj): ô nhiễm

     A. concentrated (adj): tập trung                         B. filled (adj): đầy, lấp kín

     C. polluted (adj): ô nhiễm                                  D. occupied (adj): bận rộn

=> contaminated = polluted

Tạm dịch: Không khí bị ô nhiễm tự nhiên bởi các chất lạ như phấn hoa và bụi.

Chọn đáp án là C

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