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
Professor Smith was very interested in the diversity of cultures all over the world
A. difference
B. changes
C. conservation
D. variety
Đáp án : D
Diversity = sự đa dạng ≈ variety. Changes = những thay đổi. Conservation = việc bảo tồn. Difference = sự khác biệt