問題詳情
【題組】40( ) Which of the following can be inferred from the passage?
(A) Marine pollution poses a threat to human health.
(B) Strict regulations are being developed to stop ocean pollution.
(C) PCBs and PBDEs become less harmful over long periods of time.
(D) Chemical pollution is more serious in rivers than in industrial areas.
參考答案
答案：A
難度：計算中-1
書單：沒有書單，新增
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