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[外語群英語類] 專業科目(2)
第 15 題
📖 題組：
Natural Selection, a theory developed by Charles Darwin in the 1800s, explains how the features of a species can change over many generations. These changes may take different forms. Sometimes, a plant or animal may develop completely new characteristics which enable it to live successfully in a new habitat. __11__, evidence indicates that the dolphin’s ancestors once lived on land. To this day, dolphins breathe air through lungs, just as land animals do. However, we know them as water animals because they live in water and have developed features that make them good swimmers. __12__, living things may also develop new features permitting them to endure in their own habitat. Take polar bears as an example; not all polar bears have always been white. In the past, the white polar bears __13__ well with their environment, so they were more successful in escaping from predators. While their dark colored peers were killed more frequently, the white polar bears survived to __14__ so that their numbers grew. Sometimes the habitat of a species will change in some way. This change may force the species to either move to a new habitat or adapt to the changed habitat. One example of a species that adapted to a new area is the peppered moth. Peppered moths __15__ in the forests of England for thousands of years. They rest on the trunks of trees during the day and, while resting, are the diet of many birds. Peppered moths vary in color, from light-colored to dark-colored. In the unpolluted area, more light-colored moths survive. In the polluted area, more dark-colored moths survive.
Natural Selection, a theory developed by Charles Darwin in the 1800s, explains how the features of a species can change over many generations. These changes may take different forms. Sometimes, a plant or animal may develop completely new characteristics which enable it to live successfully in a new habitat. __11__, evidence indicates that the dolphin’s ancestors once lived on land. To this day, dolphins breathe air through lungs, just as land animals do. However, we know them as water animals because they live in water and have developed features that make them good swimmers. __12__, living things may also develop new features permitting them to endure in their own habitat. Take polar bears as an example; not all polar bears have always been white. In the past, the white polar bears __13__ well with their environment, so they were more successful in escaping from predators. While their dark colored peers were killed more frequently, the white polar bears survived to __14__ so that their numbers grew. Sometimes the habitat of a species will change in some way. This change may force the species to either move to a new habitat or adapt to the changed habitat. One example of a species that adapted to a new area is the peppered moth. Peppered moths __15__ in the forests of England for thousands of years. They rest on the trunks of trees during the day and, while resting, are the diet of many birds. Peppered moths vary in color, from light-colored to dark-colored. In the unpolluted area, more light-colored moths survive. In the polluted area, more dark-colored moths survive.
15
- A live
- B are living
- C have lived
- D had lived
思路引導 VIP
請觀察空格後方的時間線索 "for thousands of years"。當一個句子描述某種現象並非發生在「單一時間點」，而是從很久以前一直持續到現在這段「長長的時間範圍」時，動詞通常會使用哪一種形式來呈現這種『累積與持續』的感覺呢？
🤖
AI 詳解
AI 專屬家教
溫暖輔導時間
- 太棒了，你做得真好！ 你這次真的有把時態的關鍵標記找出來，這是一個非常重要的能力，能幫助你在統測英文中穩穩得分，老師為你感到驕傲喔！
- 讓我們一起複習吧：這題解題的溫馨小提示就在句尾的『for thousands of years』（數千年來）。當我們想要表達一個狀態或動作是從過去開始，一直持續到現在，並且特別強調這段時間的延續性時，最正確、最溫暖的選擇就是使用現在完成式 ($have/has + p.p.$)。是不是很清楚呢？
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