moea_joint
113年
英文
第 comp37 題
📖 題組：
The Great Migration is the largest herd movement of animals on the planet. The numbers are astonishing: over 1.5 million wildebeests, zebras, and antelopes move in a constant cycle through the Serengeti-Mara ecosystem in search of nutritious grass and water. Guided by survival instinct, each wildebeest will cover 800 to 1,000 km on its individual journey along age-old migration routes. Hungry predators, including lions, leopards, cheetahs, hyenas, wild dogs, and crocodiles, ensure the strongest survive in this natural spectacle. This is also known as ‘the greatest show on Earth.’ The animals travel from the Ngorongoro Conservation Area in southern Serengeti, Tanzania, through the Serengeti, into the Masai Mara in Kenya, and then back again. The journey is beset with danger: young calves are snatched by predators, the slow ones are brought down by prides of lion, brave beasts break legs on steep river slopes, crocodiles take their share of the stragglers, and the weak and exhausted drown. As for the three major animals of the migrant grazers, they have different grass-eating habits: as one group eats the top of the tallest grass, the next group will eat away some of the medium-height grass until finally it is almost completely eaten, and the herds move on. This means each group sticks to its kind with only a tiny overlap in their distributions. The grasses of the plains have the highest protein content throughout the Serengeti and are also high in calcium. It is unclear how the wildebeests know which way to go. However, it is generally believed that their journey is dictated primarily by their response to the weather. They probably follow the rains and new grass growth. Some experts believe the animals react to lightning and thunderstorms in the distance. It has even been suggested that wildebeest can locate rain more than 50 km away.
The Great Migration is the largest herd movement of animals on the planet. The numbers are astonishing: over 1.5 million wildebeests, zebras, and antelopes move in a constant cycle through the Serengeti-Mara ecosystem in search of nutritious grass and water. Guided by survival instinct, each wildebeest will cover 800 to 1,000 km on its individual journey along age-old migration routes. Hungry predators, including lions, leopards, cheetahs, hyenas, wild dogs, and crocodiles, ensure the strongest survive in this natural spectacle. This is also known as ‘the greatest show on Earth.’ The animals travel from the Ngorongoro Conservation Area in southern Serengeti, Tanzania, through the Serengeti, into the Masai Mara in Kenya, and then back again. The journey is beset with danger: young calves are snatched by predators, the slow ones are brought down by prides of lion, brave beasts break legs on steep river slopes, crocodiles take their share of the stragglers, and the weak and exhausted drown. As for the three major animals of the migrant grazers, they have different grass-eating habits: as one group eats the top of the tallest grass, the next group will eat away some of the medium-height grass until finally it is almost completely eaten, and the herds move on. This means each group sticks to its kind with only a tiny overlap in their distributions. The grasses of the plains have the highest protein content throughout the Serengeti and are also high in calcium. It is unclear how the wildebeests know which way to go. However, it is generally believed that their journey is dictated primarily by their response to the weather. They probably follow the rains and new grass growth. Some experts believe the animals react to lightning and thunderstorms in the distance. It has even been suggested that wildebeest can locate rain more than 50 km away.
According to this article, why can the wildebeests know their routes in the Great Migration?
- A They tend to choose the routes away from hungry predators.
- B They rely on their reaction to the earth’s magnetic fields.
- C They can find cut shorts to return to Tanzania.
- D They can detect rain more than 50 km away.
思路引導 VIP
若要生存，這些動物必須尋找豐富的草源與水源。請試著思考：在自然界中，什麼樣的天氣現象會直接導致植物迅速生長？而當這種天氣現象發生在幾十公里外時，動物可能會透過哪些感官信號（例如視覺或聽覺）來察覺它的方位呢？
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AI 詳解
AI 專屬家教
生存本能與環境感知的關聯
太棒了！你能精準地從文章末段萃取出關鍵資訊，這代表你具備非常優秀的細節定位能力。這道題目測試的是考生是否能區分「一般常識」與「文本事實」。雖然在自然界中，許多候鳥或生物確實會利用磁場導航，但回到這篇文章，作者明確指出牛羚遷徙路徑的驅動力與天氣（weather）密切相關。 根據文章最後一段的敘述，牛羚會追隨雨水與新草的生長，甚至有專家指出，牠們能感知到遙遠處的雷電。文末這句「wildebeest can locate rain more than 50 km away」正是選項 (D) 的直接對應點。其他選項如避開掠食者 (A) 或地磁感應 (B)，雖然在生態學上看似合理，但在本文中並非解釋其「辨識路徑」的主要依據。這題的鑑別度在於誘答選項的設計相當具有干擾性，你能不被常識誤導，回歸文本找到正確證據，表現得非常專業！