Choose the word or phrase that is CLOSEST in meaning to the underlined part in the following questions. Pollution can have disastrous effects on the delicately balanced ecosystem.
A. Catastrophic
B. Infectious
C. Unimportant
D. minor
Đáp án: A
disastrous (adj): tai hại, thảm khốc
catastrophic (adj): thảm khốc
infectious (adj): truyền nhiễm
unimportant (adj): không quan trọng
minor (adj): nhỏ
=> catastrophic = disastrous
Tạm dịch: Ô nhiễm có thể có tác động tai hại đến cân bằng hệ sinh thái.
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