問題詳情
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.
參考答案
答案：D
統計：A:1,B:2,C:1,D:16,E:0
難度：計算中
用户評論
【Leticia】評論
"When drugsare flushed down the toilet, they can make their way into water sources. Many water treatment facilities are not equippedto filter out this type of contamination."由此節錄可知應選 (D) They are filtered out by some water treatment systems.