Unit 5 Revealing nature 单元话题续写——自然的奥秘(PPT课件)-【满分思维】2026-2027学年高中英语选择性必修第一册配套课件（外研版）

单元话题续写——自然的奥秘 1 话题词汇 跟踪演练 2 野生动植物种类 seed n.种子,籽 root n.根 species n.物种 tortoise n.陆龟 goat n.山羊 sample n.样本 ancestor n.(动物的)原种, 祖先 lower forms of life 低等生物 organism n.生物   话 题 词 汇 3 续表 动植物现状以及揭秘 decline v.减少 be native to 源于,原产于 adapt vi.适应 vt.使适应;使适合;改编 generate v.产生,创造 evolve into new species 进化成新的物种 be similar to 与……相似 be linked underground by 由……在地下相连 reveal v.揭示,展现 话 题 词 汇 4 续表 动植物现状以及揭秘 date back to 追溯到 evidence n.证据 unchanged adj.不变的 habitat n.栖息地 chemical n.化学物质 characteristic n.特征,特性 living fossil 活化石 diverse adj.多种多样的 primitive adj.原始的,低等的 of all time 有史以来 unique adj.特有的,独特的   话 题 词 汇 5 续表 动植物保护与呼吁 detect v.发现,察觉 drive insects away 驱赶昆虫 grow crops without pesticides 不使用农药种植作物 blame v.把……归咎于,责怪,指责 prevent vt.预防;阻止,阻挡 answer the call 响应号召 话 题 词 汇 6 Ⅰ 单句写作 1.Scientists have discovered ancient seeds ___________________________ ___________________________, providing valuable insights into the history of plant evolution. (定语从句)   科学家们发现了可追溯至数千年前的古代种子,为探索植物进化的历史提供了宝贵的见解。 that/which date back to thousands of years ago 跟 踪 演 练 7 2.The diversity of species in the Amazon rainforest is ________________ ___________________________________________________. (结果状语从句)   亚马孙雨林的物种多样性是如此独特,以至于在地球上其他地方都找不到。 3.Primitive forms of life were said _______________________________ that adapted to changing environments over time. (非谓语)   据说随着时间的推移,原始生命形式进化成了适应不断变化的环境的新物种。 so unique that to evolve into new species it cannot be found anywhere else on Earth 跟 踪 演 练 8 4.________________________________ a system of natural tunnels, the vast network of roots in the ancient forest created a strong and stable soil structure. (过去分词短语作状语)   古老森林中庞大的根系网络由地下天然隧道系统连接在一起,形成了坚固稳定的土壤结构。 Linked underground by 跟 踪 演 练 9 Ⅱ 语段表达 Emily, a passionate geologist, decided to set off for a distant island. 1.________________________________________________(猜想可能有一些植物;现在分词短语作状语;there be句型) that could offer insights into plant evolution, she was eager to start this adventure. 2._________ _______________________________(她手持装备;with复合结构), she hiked through the thick jungle. Every now and then, she would bend down to examine the plants, carefully collecting 3._________________________ ___________________________(看起来不同寻常的植物的样本;定语从句). Suspecting that there might be some plants With samples of the plants her equipment in hand that/which looked unusual 跟 踪 演 练 10 “If I can find something truly special, it will be a huge step forward,” she thought, 4._________________________________________ (她的眼中闪耀着坚定的光芒;独立主格结构).   Finally, her effort paid off. Among the samples, she 5.___________　　　　　　　　　　　　　　　　　　　 ______________________________________(发现了一种有着奇特根部结构的植物). With a beaming smile spreading across her face, she exclaimed, “This is exactly 6._______________________________(我一直在寻找的东西;what引导表语从句)!” her eyes shining with determination detected what I’ve been looking for a plant with a strange root structure 跟 踪 演 练 She deeply realized that every single effort, 7.________________________ ___________(无论多么小;“no matter+特殊疑问词”引导让步状语从句), truly counts. Just as a tiny seed, given the right conditions, can grow into a towering tree. Only by constantly exploring the unknown 8._____________________________________________________(我们才能揭开大自然隐藏的宝藏;部分倒装句).   no matter how small can we uncover the hidden treasures of nature (it is) 跟 踪 演 练 $