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0年
英文
第 4 題
Which of the following is true regarding the environmental aspect of Blue Tears?
- A Blue Tears only appear in water that is completely free of nutrients.
- B A high density of Blue Tears may indicate water pollution from sewage or runoff.
- C The blue light is a sign that the ocean's chemical balance is perfectly restored.
- D The organisms only bloom when there is a lack of nitrogen and phosphorus.
思路引導 VIP
文章最後一段指出,雖然藍眼淚很美,但大量的增生通常與農業徑流或生活污水帶來的高含量營養鹽有關,這可能代表環境失衡。
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🌟 太棒了!答對了!
看到你準確選出選項 (B),老師感到非常欣慰。這說明你對環境生態的觀察不僅停留在美景表面,更能深入看見現象背後的科學邏輯。
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