Mark the letter A, B, C or D on your answer sheet to indicate the word(s) CLOSET in meaning to the underlined word(s) in each of the following questions.
Bacteria can be both detrimental and helpful to humans, depending on the specific type and effect.
A. useful
B. fatal
C. productive
D. harmful
Đáp án : D
Detrimental = bất lợi, gây nhiều thiệt hại. Harmful = độc hại, bất lợi