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第 2 題
According to the article, why did the salmon stay in Taiwan's mountain streams instead of returning north?
- A They were physically unable to swim against the ocean currents.
- B Human-made dams blocked their migration route to the sea.
- C The warming ocean became too hot for them to swim through.
- D They evolved to prefer the taste of freshwater over saltwater.
思路引導 VIP
根據文章，由於氣候變暖，海水溫度升高，這些冷水性魚類無法穿越溫暖的海域屏障回到北方，因此留在了台灣的高山冷水溪流中。
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恭喜你！這題答得非常漂亮。你能從文本中抽絲剝繭，準確找出櫻花鉤吻鮭（Formosan Landlocked Salmon）留在台灣的科學原因，代表你的閱讀理解力相當扎實且敏銳！
1. 觀念驗證：為什麼 (C) 是正確的？
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