Unit 5 Section Ⅲ Using language-【新课程能力培养】2023-2024学年新教材高中英语选择性必修第二册同步练习（外研版）

Unit5 Adelicateworld 练 基 础 巩 固 一、 词性转化 1. compare （ v. ） 比较 → （ n. ） 比较 2. rely （ v. ） 依靠， 依赖 → （ adj. ） 可靠的， 可依赖的 3. decompose （ v. ） （使） 分解， 腐烂 → （ n. ） 分解者 4. dissolve （ v. ） （使 ） 溶 解 → （ adj. ） 溶解的 二、 单句语法填空 1. The energy released by the nuclear reaction （ transform ） into heat. 2. The （ chemistry ） will partly dissolves when heated. 3. At the current of decrease, many rain forest animals could become （ extinc鄄 tion ） in less than one decade. 4. His treatment is a （ combine ） of surgery and drugs. 5. The ecosystem consists of three subsystems: the producer, the consumer, and the （ decompose ） . 三、 短语英汉互译 1. 依靠， 依赖 2. 以……为食 3. 分解； 出故障 4. 食物供应 5. 灭绝 6. prey on 7. take in 8. a threat to 9. live on 10. provide energy 四、 小练笔 用 it 作形式宾语描述自己熟悉的某个地 方在生态方面发生了哪些变化。 拓 展 训 练 Ⅰ. 阅读理解 In southeastern Brazil, local fishers walk into dark waters in search of mullet （鲻鱼 ） . On their own, it would be tricky to find the silvery fish. But the humans get help from an unusual partner — wild bottle鄄nose dolphins. With nets in hand, the fishers patiently wait as their cetacean （ 鲸 类 的 ） partners drive the fish toward the shore. A signal from the dolphins — usually a deep dive — indicates when they should cast their nets. This fishing partnership has passed down through the generations, lasting for more than a century. “ While researchers knew humans profited from this pairing, they couldn蒺t confirm whether it benefited the dolphins. Now, in a new study in Proceedings of the National Academy of Sci鄄 ences, researchers suggest cetaceans that hunt with humans have more chances to live than those that don蒺t. Human鄄wildlife cooperation in general is a rare phenomenon at a global Section Ⅲ Using language 57 高中英语选择性必修 练 第二册 （外研版） 精编版 scale, ” says Mauricio Cantor, a biologist at Oregon State University and leader of the study. “ Usually humans gain the benefit, and nature pays the cost. But this interaction has been happening for over 150 years. ” Fishers were more successful when they w