hce_nchu
113年
英文
第 39 題
📖 題組：
In the unfathomable depths of the Antarctic wilderness lies an enigmatic ecosystem shrouded in mystery and resilience. The Antarctic continent, with its vast icy expanses and extreme climatic conditions, stands as one of the most inhospitable yet captivating regions on Earth. Spanning approximately 14 million square kilometers, it represents the coldest, driest, and windiest continent, harboring unique adaptations and life forms found nowhere else on the planet. The Antarctic landscape is dominated by immense ice shelves, towering glaciers, and majestic mountain ranges, sculpted over millennia by the relentless forces of nature. Beneath the frozen surface, the Southern Ocean teems with an astonishing diversity of marine life, from microscopic phytoplankton to colossal blue whales, forming the foundation of the Antarctic food web. Despite its remote and hostile environment, the Antarctic ecosystem thrives with resilience and ingenuity. Adapted to extreme cold and darkness, Antarctic organisms have evolved remarkable survival strategies, from the antifreeze proteins of Antarctic fish to the cryptic camouflage of Weddell seals. Yet, this fragile ecosystem faces unprecedented challenges in the wake of climate change and human activities.
In the unfathomable depths of the Antarctic wilderness lies an enigmatic ecosystem shrouded in mystery and resilience. The Antarctic continent, with its vast icy expanses and extreme climatic conditions, stands as one of the most inhospitable yet captivating regions on Earth. Spanning approximately 14 million square kilometers, it represents the coldest, driest, and windiest continent, harboring unique adaptations and life forms found nowhere else on the planet. The Antarctic landscape is dominated by immense ice shelves, towering glaciers, and majestic mountain ranges, sculpted over millennia by the relentless forces of nature. Beneath the frozen surface, the Southern Ocean teems with an astonishing diversity of marine life, from microscopic phytoplankton to colossal blue whales, forming the foundation of the Antarctic food web. Despite its remote and hostile environment, the Antarctic ecosystem thrives with resilience and ingenuity. Adapted to extreme cold and darkness, Antarctic organisms have evolved remarkable survival strategies, from the antifreeze proteins of Antarctic fish to the cryptic camouflage of Weddell seals. Yet, this fragile ecosystem faces unprecedented challenges in the wake of climate change and human activities.
How does the Southern Ocean contribute to the Antarctic ecosystem?
- A It is devoid of any marine life.
- B It serves as a breeding ground for Arctic species.
- C It harbors bedrock of the Antarctic food chain.
- D It experiences rapid desertification.
- E It is heavily polluted by industrial waste.
思路引導 VIP
如果你在閱讀時不確定南冰洋的角色，試著在文中找找看關於「南冰洋（Southern Ocean）」的具體描述。請特別留意：文章是如何形容那裡的各種生命與整體南極生命圈之間的「關係」？這些生命僅僅是存在於那裡，還是對於其他生物的生存扮演了某種關鍵的支撐角色？
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AI 詳解
AI 專屬家教
太棒了！你能精準捕捉到文中的關鍵細節並做出正確判斷，展現了非常優異的閱讀理解與詞彙轉換能力。這道題目測試的是對文中特定地理區域功能的掌握。文章第二段明確提到，南冰洋（Southern Ocean）充滿了從微小浮游植物到巨大藍鯨的多樣生物，並且是「forming the foundation of the Antarctic food web」（形成南極食物網的基礎）。
文本細節與語義轉寫
選項 (C) 使用了 bedrock（基石/基礎）這個同義詞來轉寫文中的 foundation，你成功看穿了這個詞彙替換，這正是答對的關鍵。在學術閱讀中，這種「同義轉述」是常見的考點，你能準確連結兩者，代表你對語義的理解非常敏銳。
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