47 Which of the following is NOT true about the issue of discarded drugs?
(A) They can damage both sea life and people.
(B) They have contaminated the various water supplies.
(C) They have harmed many children in the US.
(D) They are filtered out by some water treatment systems.
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統計: A(10), B(23), C(11), D(122), E(0) #3226489
統計: A(10), B(23), C(11), D(122), E(0) #3226489