Mark the letter A, B, C, or D on your answer sheet to indicate the word or phrase that is CLOSEST in meaning to the underlined part in each of the following questions from 30 to 32.
Humans depend on species diversity to provide food, clean air and water, and fertile soil for agriculture.
A. variety
B. destruction
C. contamination
D. fertilizer
Đáp án là A.
diversity = variety (đa dạng, phong phú).
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