Unit 5 A delicate world三-2025-2026学年高中英语固定搭配精讲选择性必修第二册（外研版）

高中选择性必修第二册外研版 【Unit 5】 A delicate world三 Unit 5 【Unit5】A delicate world 词汇与搭配精讲 全部单元单词 rare/re)/adj.稀有的，罕见的化 elsewhere/,els'wear)/adv.在别 biological/,bar'lDd3rkl/adj..生thrive/arav/v.茁壮成长 处 物的，与生物有关的 fossil/'fosl/n.化石 invasion/m've3m/m.涌入 apparently /a'rantli/adv.据f1oral/'flo:ral/adj.花的 coexist/k3UIg'ZIst/y.共存，共处 说：看来，似乎 vertebrate/'v3tbrt/n.脊椎动 secure/skj(r)/adj.稳固的：安 vast /va:st/adj.巨大的：广大的 物 全的 altitude/ju:d/n.海拔（高beehive /'biharv/n.蜂房，蜂箱greeting/'grit.间候，招呼 度) endangered /m'deind3d/adj. variation/,veari'eun/n.差异；变临灭绝的 固定及常见搭配 1.rare /rea(r)/adj.稀有的，罕见的 核心搭配： rare animal稀有动物 rare species珍稀物种 rare opportunity难得的机会 精讲： rare强调“因数量少而珍贵”，可修饰具体事物或抽象概念，反义词为common。 例句： The panda is a rare animal in the world 真题链接： This kind of plant is so that it can only be found in the deep forest.(rare) 2.biological/baIe'lDd3kl/adj.生物的，与生物有关的 核心搭配： biological diversity生物多样性 biological clock生物钟 biological research生物研究 精讲： 高中选择性必修第二册外研版 【Unit 5】 A delicate world三 biological为形容词，由名词biology(生物学)加后缀-ical构成，常与“多样性、研究、系统” 等名词搭配。 例句： Protecting biological diversity is important for the balance of nature. 真题链接： The_experiment shows how plants grow under different conditions.(biological) 3.vast /va:st/ad.巨大的：广大的 核心搭配： vast area广阔的区域 vast ocean浩瀚的海洋 vast majority绝大多数 精讲： vst强调空间、数量或程度上的“巨大、广阔”，可修饰具体空间（如沙漠、海洋）或抽象概念 (如资源、人群)。 例句： A vast desert lies in the western part of the country. 真题链接： The-grassland stretches as far as the eye can see.(答案：vast) 4.variation/,veri'eunh.差异；变化 核心搭配： genetic variation遗传变异 variation in.…方面的差异 seasonal variation季节性变化 精讲： variation为名词，由动词vay派生而来，常与介词in搭配，表示“在某方面的变化或差异”。 例句： There is a great variation in temperature between day and night in the desert. 真题链接： The一of language use in different regions reflects cultural differences..(答、：var'iation) 5.thrive/Orarv/v.茁壮成长 核心搭配： thrive on sth.靠…茁壮成长；因…而兴旺 hrive in.在…环境中茁壮成长 精讲： thve为不及物动词，强调“健康、繁荣地生长或发展”，常与表示环境、条件的介词短语搭配。 例句： Plants thrive in warm and sunny weather. 真题链接： 2 高中选择性必修第二册外研版 【Unit 5】 A delicate world Some animals can in extreme environments like the Arctic.thrive) 6.endangered/m'demd3ad/adj.濒临灭绝的 核心搭配： endangered species濒危物种 endangered animal濒危动物 protect endangered wildlife保护濒危野生动物 精讲： endangered由动词endanger(使遭受危险)加-ed构成，常用搭配为“endangered+生物类名词”， 是环保话题高频词汇。 例句： We should take action to protect endangered species from extinction. 真题链接： The government has set up nature reserves to save_animals.(endangered) 7.coexist/kauIg'zIst/v.共存，共处 核心搭配： coexist with.与…共存 peaceful coexistence和平共处 精讲： coexist由前缀co-(共同)和exist(存在)构成，强调不同事物或群体“和谐共存”，常与介词 with搭配。 例句： Humans and nature should coexist in harmony. 真题链接： It is possible for different cultures to in the same society.(coexist) 8.secure/sr'kjua(t)/adj.稳固的；安全的 核心搭配： secure job稳定的工作 secure future稳定的未来 feel secure感到安全 精讲： scur作形容词时，既可表示“物理上的安全”，也可表示“抽象的稳定、可靠”，反义词为 insecure。 例句： She found a secure position in a large company. 真题链接： Parents try to provide a_environment for their children.(答案：secure） 9.invasion/m'veI3/m.涌入：入侵 3 高中选择性必修第二册外研版 【Unit 5】 A delicate world 核心搭配： invasion of.…的涌入/入侵 biological invasion生物入侵 cultural invasion文化入侵 精讲： invasion为名词，由动词invade(入侵)派生而来，可指“军事入侵”或“某事物大量涌入”，常 与介词of搭配。 例句： The rapid invasion of foreign species has damaged the local ecosystem 真题链接： The_of tourists during the holiday caused traffic jams in the city.(invasion) 10.fossil/'fDsl/h.化石 核心搭配： fossil fuel化石燃料（如煤、石油） fossil record化石记录 ancient fossil古老的化石 精讲： fossil为可数名词，常与“燃料、记录、遗迹”等词搭配，是地理、生物学科高频词汇。 例句： Fossil fuels are non-renewable resources and will eventually run out. 真题链接： Scientists found a dinosaur_in this area last year.(答案：fossil) 1l.altitude/'elttju:d/n.海拔（高度） 核心搭配： high altitude高海拔 at an altitude of..在…海拔高度 altitude sickness高原反应 精讲： altitude强调“海拔高度”，区别于height(一般高度)，常用搭配“at an altitude of+数字”表示 具体海拔。 例句： The plane is flying at an altitude of 10,000 meters. 真题链接： Many people suffer from_sickness when climbing high mountains.(altitude) 12.floral./'flrl/adj.花的 核心搭配： floral pattern花卉图案 floral arrangement插花 高中选择性必修第二册外研版 【Unit 5】 A delicate world三 floral scent花香 精讲： floral由名词flower派生而来，专指“与花相关的”，常用于描述装饰、气味或设计。 例句： The room was decorated with beautiful floral patterns on the curtains. 真题链接： The perfume has a fresh scent that reminds people of spring.(floral) 13.vertebrate/'v3 :trbrat/n.脊椎动物 核心搭配： vertebrate animal脊椎动物 aquatic vertebrate水生脊椎动物 vertebrate species脊椎动物物种 精讲： vertebrate为可数名词，对应反义词为invertebrate(无脊椎动物)，是生物学科核心术语。 例句： Fish,birds and mammals are all vertebrates. 真题链接： Unlike insects,.dogs and cats are一because they have backbones..(答案：vertebrates) l4.greeting/'grit/h.问候，招呼 核心搭配： exchange greetings互致问候 formal greeting正式问候 seasonal greeting节日问候 精讲： greeting为可数名词，常用搭配“exchange/give/send greetings”,表示“传递问候”，复数形式 greetings可单独使用（如Season's greetings)。 例句： He always starts conversations with a warm greeting. 真题链接： People usually shake hands and exchange when they meet for the first time.greetings) 综合训练 综合训练 一、 单项选择 1.The giant panda is a_animal that needs our protection. 高中选择性必修第二册外研版 【Unit 5】 A delicate world三 ·A.rare ·B.common ·C.usual ·D.ordinary 2.Protectingdiversity is crucial for maintaining ecological balance. ·A.biology ·B.biological ·C.biologist ·D.biologies 3.Theocean covers more than 70%of the Earth's surface. ·A.wide ·B.broad ·C.vast ·D.large 4.There is a significant_in climate between the north and south regions. ·A.vay ·B.various ·C.variation ·D.varying 6 高中选择性必修第二册外研版 【Unit5】 A delicate world三 5.Many plants in tropical rainforests due to the warm and humid environment. ·A.groW ·B.thrive ·C.raise ·D.develop 二、根据句意及汉语提示完成单词 1.The government has taken measures to protect_(species like the Siberian tiger. 2.Humans and nature should()in harmony rather than fight against each other. 3.She feels_(living in this quiet neighborhood with friendly neighbors. 4.The()of foreign fish has disrupted the local lake's ecosystem. 5.Scientists discovered a 100-million-year-old dinosaur _in the mountain area. 三、首字母填空 1.The mountain is located at an a of 5,000 meters,so many climbers suffer from altitude sickness. 2.The dress is decorated with beautiful f patterns,making it perfect for summer. 3.Dogs,cats,and birds are all vbecause they have backbones. 4.People often exchange glike"Hello"or"Good morning"when meeting. 5.Seasonal v_in temperature can affect plant growth in this region 四、用所给单词的适当形式填空 1.The(vary)in language use across different cultures reflects unique traditions 2.Some animals can_(thrive)even in extreme environments like deserts or polar regions. 3.This nature reserve provides a_(secure)home for endangered wildlife. 4. (biology)research has helped us understand how organisms adapt to their environments. 7 高中选择性必修第二册外研版 【Unit 5】 A delicate world三 5.The(invade)of harmful insects caused serious damage to the crop fields. 参考答案 I单项选择 1.A2B 3.C4.C5.B IⅡ.根据句意及汉语提示完成单词 1.endangered 2.coexist 3.secure 4.invasion 5.fossil ⅡI首字母填空 1.altitude 2.floral 3.vertebrates 4.greetings 5.variation V.用所给单词的适当形式填空 1.variation 2.thrive 3.secure 4.Biological 5.invasion P