Mark the letter A, B, C, D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions.
It is widely known that the excessive use of pesticides is producing a detrimental effect on the local groundwater.
A. useless
B. harmless
C. damaging
D. fundamental
Đáp án là B.
“detrimental”: có hại
Trái nghĩa là “harmless”: vô hại, không có hại