资源简介 【2022新课标】2025秋新人教版英语八上Unit 4 Amazing Plants and Animals知识点总结(单词+短语+句子+语法)(全新完整版)一、重点单词动物相关词汇1. mammal / m m l/ n. 哺乳动物2. reptile / repta l/ n. 爬行动物3. amphibian / m f bi n/ n. 两栖动物4. insect / nsekt/ n. 昆虫5. predator / pred t r/ n. 捕食者6. prey /pre / n. 猎物7. habitat / h b t t/ n. 栖息地8. extinct / k st kt/ adj. 灭绝的9. endangered / n de nd rd/ adj. 濒危的10. species / spi i z/ n. 物种植物相关词汇11. bamboo /b m bu / n. 竹子12. cactus / k kt s/ n. 仙人掌13. root /ru t/ n. 根14. stem /stem/ n. 茎15. leaf /li f/ n. 叶子(复数:leaves)16. flower / fla r/ n. 花17. seed /si d/ n. 种子18. photosynthesis / f t s nθ s s/ n. 光合作用19. rainforest / re n f r st/ n. 雨林20. vine /va n/ n. 藤蔓自然现象与生态21. ecosystem / i k s st m/ n. 生态系统22. climate / kla m t/ n. 气候23. environment / n va r nm nt/ n. 环境24. pollution /p lu n/ n. 污染25. conservation / k ns ve n/ n. 保护26. adapt / d pt/ v. 适应27. survive /s r va v/ v. 生存28. hibernate / ha b rne t/ v. 冬眠29. migrate /ma ɡre t/ v. 迁徙30. camouflage / k m flɑ / n./v. 伪装形容词与描述性词汇31. amazing / me z / adj. 惊人的32. unique /ju ni k/ adj. 独特的33. giant / d a nt/ adj. 巨大的34. tiny / ta ni/ adj. 微小的35. poisonous / p z n s/ adj. 有毒的36. thorny / θ rni/ adj. 多刺的37. fragile / fr d a l/ adj. 脆弱的38. colorful / k l f l/ adj. 多彩的39. nocturnal /n k t n l/ adj. 夜行的40. rare /re r/ adj. 稀有的行为与互动类41. protect /pr tekt/ v. 保护42. attack / t k/ v. 攻击43. defend /d fend/ v. 防御municate /k mju n ke t/ v. 交流45. hunt /h nt/ v. 狩猎46. grow /ɡr / v. 生长47. bloom /blu m/ v. 开花48. wilt /w lt/ v. 枯萎49. dig /d ɡ/ v. 挖掘50. climb /kla m/ v. 攀爬其他重要词汇51. discovery /d sk v ri/ n. 发现52. research /r s rt / n./v. 研究53. observe / b z rv/ v. 观察54. experiment / k sper m nt/ n. 实验55. scientist / sa nt st/ n. 科学家56. nature / ne t r/ n. 自然57. wildlife / wa ldla f/ n. 野生动物58. jungle / d ɡ l/ n. 丛林59. desert / dez rt/ n. 沙漠60. ocean / n/ n. 海洋61. danger / de nd r/ n. 危险62. chain /t e n/ n. 链条63. resource / ri s rs/ n. 资源64. action / k n/ n. 行动65. birth /b rθ/ n. 出生66. egg /eɡ/ n. 卵;蛋67. dependence /d pend ns/ n. 依赖68. protection /pr tek n/ n. 保护69. shrink / r k/ v. 萎缩;减少二、主要短语植物生长类短语1. take root 生根2. grow rapidly 快速生长3. absorb sunlight 吸收阳光4. produce oxygen 产生氧气5. bloom in season 应季开花6. spread seeds 传播种子7. store water 储存水分8. adapt to environment 适应环境9. climb upwards 向上攀爬10. prevent erosion 防止水土流失11. need nutrients 需要养分12. wither away 枯萎动物行为类短语13. hunt for food 觅食14. escape danger 逃离危险15. build nests 筑巢16. give birth 生育17. lay eggs 产卵18. hibernate in winter 冬眠19. migrate south 向南迁徙20. use camouflage 使用伪装21. mark territory 标记领地22. defend themselves 自卫23. raise offspring 养育后代24. live in groups 群居生态保护类短语25. protect wildlife 保护野生动物26. save energy 节约能源27. reduce pollution 减少污染28. recycle waste 回收废物29. plant trees 植树造林30. save water 节约用水31. clean up 清理32. prevent extinction 防止灭绝33. maintain balance 保持平衡34. limit hunting 限制狩猎35. protect habitats 保护栖息地36. raise awareness 提高意识观察研究类短语37. observe carefully 仔细观察38. conduct research 进行研究39. record data 记录数据40. analyze results 分析结果41. draw conclusions 得出结论42. make discoveries 做出发现43. study behavior 研究行为44. track movements 追踪活动45. collect samples 采集样本46. measure growth 测量生长pare species 比较物种48. publish findings 发表发现49. continue studying 继续研究其它:50. adapt to 适应51. be native to 原产于52. be endangered 濒临灭绝53. go extinct 灭绝54. play a role in 在...中起作用55. feed on 以...为食56. prey on 捕食三、重点句子植物相关类1. Bamboo can grow up to 30 cm in just one day.(竹子一天能长高30厘米。)2. The cactus stores water in its thick stem.(仙人掌把水分储存在它粗壮的茎里。)3. This kind of flower only blooms at night.(这种花只在夜晚开放。)4. The leaves of this plant can absorb sunlight efficiently.(这种植物的叶子能高效吸收阳光。)5. Some plants spread their seeds through the wind.(有些植物通过风传播种子。)6. The roots of trees help prevent soil erosion.(树根有助于防止土壤流失。)7. Without enough water, the plant will wither away.(没有足够的水,植物会枯萎。)8. This vine climbs up the tree to reach sunlight.(这种藤蔓攀爬树木以获取阳光。)9. The rainforest is home to thousands of plant species.(雨林是数千种植物的家园。)10. Plants produce oxygen through photosynthesis.(植物通过光合作用产生氧气。)动物相关类11. Pandas mainly feed on bamboo.(熊猫主要以竹子为食。)12. Some birds migrate to warmer places in winter.(有些鸟类冬季会迁徙到更温暖的地方。)13. Tigers are at the top of the food chain.(老虎处于食物链的顶端。)14. Many animals use camouflage to hide from predators.(许多动物用伪装躲避捕食者。)15. Bears hibernate during the cold months.(熊在寒冷的月份冬眠。)16. Wolves hunt in groups to catch their prey.(狼群通过协作捕猎。)17. This species is native to South America.(这个物种原产于南美洲。)18. If we don’t protect them, they may go extinct.(如果我们不保护它们,它们可能会灭绝。)19. Elephants play an important role in the ecosystem.(大象在生态系统中扮演重要角色。)20. Many sea animals are endangered due to pollution.(许多海洋动物因污染而濒临灭绝。)生态保护类21. We must take action to protect endangered animals.(我们必须采取行动保护濒危动物。)22. Pollution is destroying many natural habitats.(污染正在破坏许多自然栖息地。)23. Recycling helps reduce waste and save resources.(回收利用有助于减少浪费、节约资源。)24. Planting more trees can improve air quality.(多植树可以改善空气质量。)25. Everyone should do their part to save the planet.(每个人都应该为拯救地球尽一份力。)26. Climate change is affecting wildlife around the world.(气候变化正在影响全球的野生动物。)27. We depend on forests for clean air and water.(我们依赖森林获得干净的空气和水。)28. Overhunting has caused some species to disappear.(过度捕猎导致一些物种消失。)29. Governments should make laws to protect nature.(政府应该制定法律保护自然。)30. Education is key to raising environmental awareness.(教育是提高环保意识的关键。)观察与研究类31. Scientists have discovered a new species in the rainforest.(科学家在雨林中发现了一个新物种。)32. We observed how the chameleon changes its color.(我们观察了变色龙如何改变颜色。)33. The research shows that bees are important for pollination.(研究表明蜜蜂对授粉很重要。)34. By studying animal behavior, we learn more about nature.(通过研究动物行为,我们更了解自然。)35. The team recorded the migration patterns of birds.(团队记录了鸟类的迁徙模式。)36. This experiment proves that plants grow faster with sunlight.(这个实验证明植物在有阳光时长得更快。)37. We compared the leaves of different plants under a microscope.(我们在显微镜下比较了不同植物的叶子。)38. The data suggests that pollution is getting worse.(数据显示污染正在加剧。)39. Our goal is to find ways to protect these animals.(我们的目标是找到保护这些动物的方法。)40. Further studies are needed to understand this phenomenon.(需要进一步研究来理解这一现象。)四、语法点本单元语法点是形容词和副词的最高级,前面单元已经总结,这里再熟悉下用法:1、形容词原级用法:1)、 too/ very/ quite/ so/ rather + 原级2)、 原级 + enough 足够......3)、 as + 原级 + as 与......一样......4)、 A not as/ so + 原级 + as B A 不如/不及 B......Tom is not as tall as Jim. Tom不如Jim高.(Tom比Jim矮/ jim比Tom高)= Tom is shorter than Jim. = Jim is taller than Tom.Mary is not so beautiful as Jane. Mary不如Jane漂亮。(Jane比Mary漂亮)= Mary is less beautiful than Jane.= Jane is more beautiful than Mary.2、形容词比较级的用法:形容词的比较级用于两个人或事物的比较,其结构形式如下:1)、 比较级 + thanKate is taller than Jenny.This picture is more beautiful than that one.这张照片比那张照片漂亮.This meeting is less important than that one. 这次会议不如那次会议重要.2)、 比较级 and 比较级 越来越...... More and more + 多音节词原形 越来越......fatter and fatter 越来越胖 taller and taller 越来越高more and more beautiful 越来越漂亮 more and more important 越来越重要3)、 the 比较级 + (句子),the 比较级 + (句子) 越......就越......The more we do sports, the healthier we are. 我们越运动,我们就越健康.The more careful we are, the fewer we make mistakes.我们越认真,我们犯错误就越少.4)、 比较级 + than + any other + 名词单数=比较级 + than + the other + 名词复数Mike is taller than any other boy in his class.= Mike is taller than the other boys in his class.= Mike is the talest boy in his class.备注: 用much、 a little、 even等副词修饰比较级The sun is much bigger than the moon. 太阳比月亮大得多。Tom is a little fatter than Jim. Tom比Jim胖一点点。She is much more beautiful than Kate. 她比Kate漂亮得多。5) 形容词最高级的用法: (形容词最高级前常需用定冠词the修饰) 形容词最高级用于两个以上的人或物进行比较, 其结构形式为:a.主语 + 谓语(系动词) + the + 形容词最高级 + 名词 + 比较范围(in/ of all):She is the best student in her class. 她是班上最好的学生。= She is better than any other student/ the other students in her class. This is the most beautiful apple of all. 这是所有苹果中最大的苹果。Li Lei is the youngest of the three. Li Lei是这三个中最年轻的.b. one of + the 最高级 + 名词复数Shanghai is one of the biggest cities in China. 上海是中国最大城市之一。3、形容词和副词的比较级和最高级的用法①两者进行比较A=B as +形容词或副词的原级+ asI am as tall as you.Lucy sings as well as Lily.A≠B not so/as +形容词或副词的原级+ asHe is not as/so careful as his brother.He doesn’t run as/so quickly as me.A>B或A<B 形容词或副词的比较级+ thanYou are two years younger than me.He is a little stronger than his father.Nancy dances better than her classmates.②三者或三者以上进行比较 使用形容词或副词的最高级 常接in 或of 表比较范围Who is the tallest in Class Three Shanghai is the largest of all the cities.注意:one of + 最高级+ 名词的复数China is one of the strongest countries in the world.the + 序数词+ 最高级+名词的单数The Yellow River is the second longest river in the world.③注意以下几种情况:形容词或副词的比较级前可用much, a little, a bit ,even, far等程度副词或词组表示不同程度,但是注意,very 不行。I’m a little/ much/far richer than you.Football is much more exciting than basketball.比较级+and +比较级表“越来越…”stronger and strongermore and more beautifulC.“the +比较级…, the +比较级”表示“越是…越是…”The busier she is, the happier she is.4、 其它知识点可修饰比较级的词1)a bit, a little, rather, much, far, by far, many, a lot, lots, a great deal, any, still, even等2)还可以用表示倍数的词或度量名词作修饰语。3)以上词(除by far)外,必须置于比较级形容词或副词的前面。5、六大高频考点句型1. 比较级 + than- The cheetah runs faster than the lion.2. as + 原级 + as(同级比较)- This flower is as beautiful as that one.3. the + 最高级 + 范围- The Amazon is the most biodiverse rainforest in the world.4. one of the + 最高级 + 复数名词- Tigers are one of the most endangered animals.5. 比较级 and 比较级(越来越...)- The climate is becoming hotter and hotter.6. the + 比较级..., the + 比较级...(越...越...)- The more we protect nature, the healthier our planet will be. 展开更多...... 收起↑ 资源预览