Unit 5 A delicate world三-2025-2026学年高中英语重点词汇精讲选择性必修第二册（外研版）

高中·外研·选择性必修第二册 寒假专版 C版词汇核心考点精讲 【寒假专版】 高中·外研·选择性必修第二册Unit5 A delicate world 单元词汇总览 rare /rea/adj.稀有的，罕见的化 临灭绝的 biological/,baIe'lDd3kl/adj.生物thrive/rarv/v.茁壮成长 elsewhere/,els'wea(r)/adv.在别 的，与生物有关的 fossil/'fDs/n.化石 处 apparently'paerantli/adv.据说；f1oral/'flrl/adj.花的 invasion/n've3m/n.涌入 看来，似乎 vertebrate/V3 trbrat/n.脊椎动coexist/kaoig'zist/V.共存，共处 vast/va:st/adj.巨大的：广大的物 secure/sI'kja)/adj.稳固的；安 altitude/aeltrtju:d/n.海拔（高度）beehive/'bi:harv/n.蜂房，蜂箱全的 variation/,veari'em/n.差异；变endangered/m'dend3ad/adj.濒greeting/'gri:t/n.间候，招呼 词汇核心考点精讲 1.rare /rea(r)/adj.稀有的，罕见的 ·核心考点：词性：形容词(adj) 2个核心义：稀有的（强调数量少）、罕见的（强调不常发生） ·必记搭配与例句：●rare animal(稀有动物)：Pandas are rare animals in the world. ●rare opportunity(难得的机会)：It's a rare opportunity to meet the famous scientist. ·重点派生词：●rarely(副词)：She rarely eats junk food.(她很少吃垃圾食品) ·rarity(名词)：The plant is a rarity in this area.(这种植物在该地区很罕见) 2.biological/,ba3'lDd3k/adj.生物的，与生物有关的 ·核心考点：词性：形容词(adj) 1个核心义：生物的：与生物有关的 ·必记搭配与例句：·biological clock(生物钟)：Many animals have a biological clock ·biological research(生物研究)：He is doing biological research in the lab ·重点派生词：·biology(名词)：We study biology at school..(我们在学校学生物学) ●biologist(名词)：Her mother is a biologist.(她妈妈是一名生物学家) 3.apparently /a'paerantli/adv.据说：看来，似乎 ·核心考点：词性：副词(adv.) 2个核心义：据说（表不确定）、看来，似乎（表判断） 高中·外研·选择性必修第二册 寒假专版 ·必记搭配与例句：●apparently true(据说属实)：The story is apparently true. ●apparently happy(看来很高兴)：She was apparently happy with the result, ·重点派生词：·apparent(形容词)：It was apparent that he was tired.(显然他累了) ·appearance(名词)：Don't judge by appearance.(不要以貌取人) 4.vast/va:st//ad.巨大的：广大的 ·核心考点：词性：形容词(adj) 1个核心义：巨大的：广大的（强调空间或数量） ·必记搭配与例句：●vast ocean(广阔的海洋)：The ship sailed across the vast ocean. ·vast majority(绝大多数)：The vast majority of students passed the exam. ·重点派生词：。vastly(副词)：The situation has vastly improved.(情况已大为好转) 5.altitude/'altrtju:d山n.海拔（高度） ·核心考点：词性：名词(n) 1个核心义：海拔（高度） ·必记搭配与例句：●high altitude(高海拔)：Planes fly at high altitude. ·altitude sickness(高原反应)：Some people get altitude sickness in Tibet. ·易混词辨析：●altitude(海拔)/latitude(纬度)/longitude(经度)：Altitude affects climate;latitude and longitude locate places. 6.variation/veari'eun/n.差异；变化 ·核心考点：词性：名词(n) 2个核心义：差异：变化（指形式或程度） ·必记搭配与例句：●variation in（在…方面的差异)：There are variations in color among the flowers. ●genetic variation(基因变异)：Genetic variation helps species survive. ·重点派生词：●vary(动词)：Prices vary from shop to shop.(价格各家商店不同) ·various(形容词)：We have various ways to solve the problem.(我们有多种解决方法) 7.thrive/raIv/v.茁壮成长：兴旺发达 ·核心考点：词性：动词(v) 1个核心义：茁壮成长：兴旺发达 ·必记搭配与例句：●thrive on(靠…兴旺；喜欢…)：Children thrive on love and attention. ●thrive in(在…中茁壮成长)：Plants thrive in warm weather. ·词形变化：●过去式/过去分词：thrived/thriven,现在分词：thriving Thriven is more common in American English.(thriven在美国英语中更常见) 高中·外研·选择性必修第二册 寒假专版 8.endangered/m'dend3sd/adj.濒临灭绝的 ·核心考点：词性：形容词(adj) 1个核心义：濒临灭绝的 ·必记搭配与例句：·endangered species(颜危物种)：We should protect endangered species.. ●endangered animals(颜危动物)：The government is saving endangered animals, ·重点派生词：●endanger(动词)：Pollution endangers our health.(污染危害我们的健康) ·danger(名词)：In time of danger,.call the police..(遇到危险时报警) 9.invasion/m've3/n.涌入；入侵 ·核心考点：词性：名词(n) 1个核心义：涌入：入侵（可指具体或抽象事物） ·必记搭配与例句：·invasion of privacy(侵犯隐私)：The paparazzi's actions were an invasion of privacy. ●military invasion(军事入侵)：The country suffered a military invasion. ·重点派生词：●invade(动词)：Enemy troops invaded the city.(敌军入侵了这座城市) ●invader(名词)：The invaders were driven out.(入侵者被赶走了) 10.coexist/k35 Ig'zist/v.共存，共处 ·核心考点：词性：动词(v) 1个核心义：共存，共处 ·必记搭配与例句：●coexist with(与…共存)：Humans should coexist with nature peacefully ·coexist peacefully(和平共处)：The two countries agreed to coexist peacefully. ·构词解析：·c0-(共同)+exi$t（存在)→共同存在→共存 11.secure/sr'kjva(r)/adj.稳固的；安全的；V.获得：保护 ·核心考点：词性：形容词(adj):动词(v.) 2个核心义：稳固的：安全的(adj):获得；保护(v.) ·必记搭配与例句：●feel secure(感到安全)：She feels secure in her new home. ●secure a job(获得一份工作)：He finally secured a well-paid job. ·重点派生词：●security(名词)：national security(国家安全) ·securely(副词)：The door was securely locked.(门被牢牢锁上了) 12.vertebrate/'v3:trbrat/n.脊椎动物 ·核心考点：词性：名词(n.) 1个核心义：脊椎动物 高中·外研·选择性必修第二册 寒假专版 ·必记搭配与例句：●vertebrate animals(脊椎动物)：Dogs and cats are vertebrate animals.. ·invertebrate(反义词)：Insects are invertebrates.(昆虫是无脊椎动物) ·词形变化：·vertebra(单数)：The spine is made of vertebrae.(脊柱由椎骨构成) 13.floral/flrl/adj.花的；绘有花的 ·核心考点：词性：形容词(adj) 1个核心义：花的：绘有花的 ·必记搭配与例句：·floral pattern(花卉图案)：Her dress has a floral pattern. ●floral arrangement(插花)：The floral arrangement looks beautiful.. ·重点派生词：·flower(名词)：a beautiful flower(一朵美丽的花) ●florist（名词)：I bought roses from the florist.(我从花店买了玫瑰) 词汇核心考点综合训练 1.一、单项选择 1.Pandas are_animals that need our protection. ●A.rare ●B.vast 。C.floral ●D.apparent 2.Many animals have aclock that regulates their daily activities. 。A.biology ·B.biological 。C.biologist 。D.biologically 3.,the team won the game without their star player. ·A.Apparently 。B.Securely 高中·外研·选择性必修第二册 寒假专版 ·C.Vastly 。D.Rarely 4.The ocean covers more than 70%of the Earth's surface. ●A.endangered ●B.various ·C.vast 。D.floral 5.People may suffer fromsickness when traveling to Tibet. ●A.latitude ●B.altitude 。C.longitude ●D.variation 6.Genetic helps species adapt to changing environments. ·A.vay ●B.various ●C.variation 。D.varied 7.Plantsin warm,sunny conditions with enough water. ●A.thrive ●B.coexist ·C.secure ●D.invade 8.We must take action to savespecies like the Siberian tiger. ●A.endangered 高中·外研·选择性必修第二册 寒假专版 ●B.vast ·C.apparent ●D.secure 9.The_of privacy by the media has sparked public debate. ●A.invade ●B.invasion ●C.invader ·D.invading 10.Humans and nature shouldpeacefully for a sustainable future. ●A.thrive ●B.secure ·C.coexist ●D.vay 2.二、根据提示补全句子 1.She_(rare)eats fast food because she cares about her health 2.The government is funding more(biology)research on wildlife protection. 3.It was_(apparent)that he was nervous during the speech 4.The situation has improved(vast)since last year. 5.The(secure)of personal information is crucial in the digital age. 6.Prices_(vary)depending on the season and demand 7.The team(thrive)under the new coach's leadership. 8.The company_(invade)the market with innovative products last year. 3.三、首字母填空 1.The panda is a ranimal,with only about 1,800 left in the wild. 2.At high a,the air becomes thinner and colder. 高中·外研·选择性必修第二册 寒假专版 3.The v majority of students support the new school policy. 4.Genetic v_is essential for the survival of species. 5.We should learn to c_with different cultures and beliefs. 4.参考答案 ·一、单项选择 1.A2.B3.A4.C5B6.C7.A8.A9B10.C ·二、根据提示补全句子 1.rarely 2.biological 3.apparent 4.vastly 5.security 6.vary 7.thrived 8.invaded ·三、首字母填空 1.rare 2.altitude 3.vast 4.variation 5.coexist