A. pollution B. disaster C. volcano D. cholera

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Mark the letter A, B, C, or D on your answer sheet to indicate the word that differs from the other three in the position ofprimary stress in each of the following questions.

pollution

disaster

volcano

cholera

Giải thích

Chọn đáp án D
- pollution /pə'lu:. ʃən/ (n): sự ô nhiễm
- disaster/dɪ'zɑ:.stər/ (n): thảm họa
- volcano /vɒl'keɪ.nəʊ/ (n): núi lửa
- cholera /'kɒl.ər.ə/ (n): bệnh tả