Polluted water and increased water temperatures have driven many species to the verge of extinction

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

Polluted water and increased water temperatures have driven many species to the verge of extinction.

enriched

contaminated

purified

strengthened

Giải thích

Đáp án C

Đáp án là C. polluted: bị ô nhiễm = purified: được làm sạch

Nghĩa các từ còn lại: enriched: được làm giàu; contaminated: bị ô nhiễm; strengthened: được làm cho mạnh