Unit 5 Section Ⅱ Understanding ideas-【新课程能力培养】2024-2025学年高中英语必修第一册学习手册（外研版2019）

Unit5 Intothewild 学 文 脉 梳 理 The Monarch蒺s Journey 的语篇类型为科 普类说明文， 以科学家的观察和研究为依据 介绍了黑脉金斑蝶的迁徙。 文章讲述了北美 黑脉金斑蝶的迁徙之谜、 生存现状以及人们 为保护它们所做出的努力。 Section Ⅱ Understanding ideas 学习目标 1. 通过精读， 了解黑脉金斑蝶的迁徙行为， 理清文中的因果逻辑关系。 2. 掌握 “科普类说明文” 这种语篇类型的基本特征。 必备 知识 单词 annual Atlantic whale seek professor measure position determine crash solution eventually amazing destroy percent chemical creature survive effect 短语 manage to do sth. the solution to... human activity cut down trees flow chart 关键能力 读 品 鉴 语 言 在完成汉译英的过程中， 体验和感悟文 章中语言表达的准确、 生动与细腻。 The Monarch蒺s Journey Many animals move from one place to another at certain times of the year. This an鄄 nual movement is called migration. They mi鄄 grate to find food, 1. （寻找配偶） , or 2. （寻找更温暖的天气） . One of the most wonderful migrations in nature is that of the North American monarch butterfly. Every autumn, millions of these beautiful insects with fine black and orange wings 3. （开始一段漫长而艰难的旅程） . Somehow, they manage to travel around 4,000 kilometres south and 4. （ 找 到 路 线 ） to California or Mexico. However, 5. The Monarch蒺s Journey Para. 1-2 Lead to the topic. North American monarch butterfly has one of the most wonderful 1. , but it was until 2. that people knew how they did it. Para. 3 Explain the mystery. That蒺s because the monarch is able to 3. the time and 4. the position with its eyes. Para. 4 Problems of the monarch The monarch蒺s population has 5. by 90%. That蒺s because humans have destroyed their natural 6 . by 7 . trees and using 8. . Para. 5 The future of the monarch People now have a greater 9. of the monarch. They 10. its migration and make sure they have enough plants to 11. . The monarch will survive in the end. 57 高 中 英 语 必 修 第一册 （外研版） 精编版 学 （直到最近人们才知道它们是如何做到这一 点的） . A team of scientists led by Professor Eli Shlizerman at the University of Washington has now found the answer. They have found out that the monarch is able to 6. （判断出一天的时刻） . It uses its eyes to 7. （测量太阳的位置 ） . These two pieces of information — the time of day and the point where the sun is in the sky — allow the butterfly to 8. （判定前进方向） . Eventually, it 9. （成功地 ） reach the places where it will spend the winter. 10. （奥秘的解开 ） of the monarch蒺s amazing ability comes at a time when it is in serious trouble. Its population 11. （已经锐减了 90% ） in the last few years. Sadly, human activity is the main reason why the number of monarch butterflies is falling. In many of the places where the butterfly can be found, people 12. （正在毁坏自然环境 ） . They 13. （砍伐树木） and 14. （使用化学制 剂） that kill the plants that monarch caterpil鄄 lars eat. The research on the monarch蒺s behaviour has however 15. （让人们对这种生 物 有 了 更 多 的 了 解 ） . People have been working together to 16. （记录它的 迁徙 ） and make sure that there are enough plants for it to 17. （食用） . If this works, there may come a time when the number of monarch butterflies increases once again. The more we know about this lovely creature, the greater the chance it will survive and keep its place in the natural world for a long time to come. 重 点 知 识 1. “ the+ 比较级……， the+ 比较级……” 结构 该结构表示 “越……越……”， 前面的 “ the+ 比较级……” 相当于条件状语从句。 The harder you work, the more progress you will make.=If you work harder, you will make more progress. 誅 牛刀小试 ① 他越解释我越困惑。 （汉译英） ②The （ careful ） you are when you cross the road, the safer you will be. ③The more you learn, the more you （ realize ） how little you know. 2. measure n./v. （ 1 ） v. 测量； 衡量 It蒺s hard to measure teaching ability. 很 难衡量教学能力。 Measure the length and width of the gap. 测量一下这个裂口的长度和宽度。 （ 2 ） n. 措施； 手段 （常用作复数） 词组： take measures to do sth. 采取措施 做某事 The police would take tougher measures to restrain the trouble. 警察将采取更为强硬 的措施来制止这场动乱。 58 Unit5 Intothewild 学 誅 牛刀小试 ① 我们最好采取有效措施防止学生考试作弊。 We蒺d better prevent students from cheating on exams. ② 衡量生命的尺度是思想和行为， 而不是 时间。 Life thought and action, not by time. 3. survive v. 活下来； 幸存； 比……活得长； 幸免于难； 坚强度过 Ancient farming methods still survived in the Middle East. 在中东， 古代的耕作方式依 然存在。 She survived her husband by ten years. 她比她的丈夫多活了 10 年。 拓展： survive on 靠……维持生活 I don蒺t know how you all manage to survive on Jeremy蒺s salary. 我真不知道你们只靠杰里 米的薪水是怎么样生活的。 survivor n. 幸存者 survival v. 幸存； 生存 誅 牛刀小试 ①As far as I know, he survived a small bottle of water. ② If cancers are spotted early, there蒺s a high chance of . 参 考 译 文 帝王斑蝶的迁徙 许多动物在一年中的特定时节会从一个 地方迁移到另一个地方， 这种活动被称为迁 徙。 它们迁徙是为了寻找食物， 寻找伴侣， 或者寻找更暖和的天气。 在所有的大规模迁 徙中， 北美帝王斑蝶的迁徙是最令人称奇的 迁徙之一。 这些美丽的昆虫长着精致的黑色和橙色 翅膀， 每年秋天， 数百万的帝王斑蝶会开始 一段漫长而艰难的旅程。 它们能用某种方法 向南行进大约 4000 千米， 最后找到它们过 冬的地方。 然而， 直到最近人们才知道它们 是如何做到这一点的。 由华盛顿大学教授伊莱·施利茨曼带领 的一支科学家团队现在找到了答案。 他们发 现帝王斑蝶能判断出时刻， 然后用眼睛来估 量太阳的位置。 这两条信息——时刻和太阳 在天空中的位置——使蝴蝶能够确定它需要 走哪条路， 并能在必要的时候改变方向。 最 终， 它能成功到达加利福尼亚或墨西哥。 帝王斑蝶这令人惊叹的能力之谜， 在其 陷入严重困境之际得到了解答。 在过去几年 里， 帝王斑蝶的数量已经锐减了 90% 。 不幸 的是， 人类活动是帝王斑蝶数量下降的主要 原因。 在帝王斑蝶出没的许多地方， 人们砍 伐树木， 使用化学品杀死了帝王斑蝶幼虫所 食用的植物， 从而破坏了自然环境。 然而， 随着对帝王斑蝶的活动方式有了 更进一步的了解， 人们对这种生物产生了更 强的保护意识和欣赏之情。 志愿者们一直在 齐心协力记录它们的迁徙路线以及确保它们 有足够的植物可食用。 如果这项工作取得成 功， 那么帝王斑蝶的数量可能会再次增加。 我们对这些脆弱的生物了解得越多， 它们存 活的机会就越大。 通过做更多的研究， 帝王 斑蝶能够在未来很长一段时间里在人类的想 象中留有一席之地。 59 参 考 答 案 SectionⅠ Startingout 精听练习 1. 50% 2. 1.9 billion pounds 3. feeding 4. 8 mil鄄 lion 5. 8.5 million 6. overjoyed 7. trouble 8. shows 9. March 10. compete 11. course 12. cup 13. hun鄄 dred pounds 14. earn 15. advertising 16. fish 17. tanks 18. garden ponds 19. caged birds 20. charities 21. protect 22. 1824 23. pets 24. farm animals 25. wild SectionⅡ Understanding ideas 文脉梳理 1. migrations 2. recently 3. tell 4. measure 5. crashed/fallen 6. environment 7. cutting down 8. chemi鄄 cals 9. awareness 10. record 11. feed on 品鉴语言 1. seek a partner 2. in search of warmer weather 3. begin a long and difficult journey 4. find their way 5. until recently no one knew how they did this 6. tell the time of day 7. measure the position of the sun 8. deter鄄 mine the way to go 9. manages to 10. The solution to the mystery 11. has crashed by as much as 90 per cent 12. are destroying the natural environment 13. cut down trees 14. use chemicals 15. led to a greater awareness of this creature 16. record its migration 17. feed on 重点知识 1. ①The more he explained, the more confused I be鄄 came. ②more careful ③will realize 2. ①take effective measures to ②is measured by 3. ①on ②survival SectionⅢ Usinglanguage 重点语法 ①where ②where ③when ④why ⑤when 话题词块 1. kill two birds with one stone 2. It蒺s raining cats and dogs. 3. When the cat蒺s away, the mice will play. 4. hold the horses 5. as busy as bees 6. 过着鸡犬不宁的 日子 7. 兴高采烈 8. 像热锅上的蚂蚁 9. 洋洋得意； 踌躇满志 10. 不要惹是生非 精听练习 1. keep 2. zookeeper 3. dying out 4. programme 5. humans 6. unable 7. returned 8. failed 9. edu鄄 cate 10. planet 11. observe 12. natural environments 13. natural 14. space 15. people 16. teach 17. dis鄄 cussion SectionⅣ Developingideas 品鉴语言 1. brave the elements 2. despite the wind and the rain 3. in the wild 4. the variety of its wildlife 5. Despite a weight of up to 300 kilograms 6. at a speed of 7. fol鄄 lowed a path 8. the view was breathtaking 9. flew over the snow鄄capped mountains 10. were reflected in the still lake below 11. was concentrating on photographing 12. had a feeling that I was being watched 13. froze 14. falling off its thick, brown hair 15. stared back at me 16. Time stood still 17. started shaking 18. forced my finger to press the button 19. recovered from the shock 20. was now captured forever in a single image 21. From time to time 22. as a reminder to show respect to all animals 23. after all 重点知识 1. ①a wide variety of ②is sold ③varies from; to 2. ①an ②On SectionⅤ Presentingideas 参考范文 Unit5 Intothewild Animal Siberian crane Appea鄄 rance It is about 140 cm in height. Its feathers are nearly all snowy white except for some black ones that are only visible in flights. Its featherless face is reddish in colour. Habitat The Siberian crane is usually found in East Asia. Migration These migrate to China in winter. Other much smaller populations migrate to Iran in winter. Diet The snow crane has a good and diverse appetite, including fish, insects, the roots and tubers of water plants and so on. Other informa鄄 tion In Chinese culture, the snow crane is a symbol of elegance, purity, good fortune and long life. less Actions: wondered bitterly, wandered blindly through the streets, noticed an old man sitting on a bench, mur鄄 mured Bob, his voice trembling 67