Professor Smith was very interested in the diversity of cultures all over the world

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Mark the letter A, B, C, or D on your answer sheet to indicate the word or phrase that is CLOSET in meaning to the underlined part in each of the following questions

difference

changes

conservation

variety

Giải thích

Đáp án : D

Diversity = sự đa dạng ≈ variety. Changes = những thay đổi. Conservation = việc bảo tồn. Difference = sự khác biệt