Unit 1 Scientists A部分-2025-2026学年高中英语重点词汇精讲选择性必修第二册（沪外版）

高中沪外版选择性必修第二册 寒假专版 C版词汇核心考点精讲 【寒假专版】 高中·沪外版·选择性必修第二册Unit1 Scientists A部分 单元词汇总览 seed/sidn.种子；籽 position/p3zn/n.位置：地方devoted/d'vatd/adj.挚爱的： plateau /plae'ta/n.高原 available'verlabl/ad.可获得忠诚的：全心全意的 ow/v.应把…归功于；欠的：可购得的：可找到的 unfortunate/n'fot∫3nat/adj.不 (情) pit /prt/n.果核口 幸的：倒霉的：令人遗憾的 biology /bar'Dlad3i/n.生物学 allergy/'elad3in.过敏反应口 accident/'aeksidant/n.(交通)事 biodiversity/,baraudar'v3:sati/n.despite/dr'spat/prep.即使，尽管故：意外遭遇 生态多样性口 hardship/'ha:dp/n.艰难：困苦iceberg/'asb3g/n.冰山口 elevated/'elrveitid/adj.高的；升口 on top of sth除…之外 高的：高出地面的口 countless/'kaontlas/adj.无数的；the tip of the iceberg(问题的) plain /plem/n.平原 数不尽的口 冰山一角 词汇核心考点精讲 1.0we月/v.应把…归功于；欠（情） ·核心考点：词性：动词(v) 2个核心义：应把…归功于；欠（情） ·必记搭配与例句：●owe sth.tosb.(把…归功于某人)：She owes her success to hard work. ●owe sb.sth.(欠某人某物)：I still owe you a meal. ·重点派生词：·owing(形容词)：owing to(由于，因为)：Owing to the rain,the game was canceled, 2.biodiversity/baraudar'v3sati/n.生态多样性 ·核心考点：词性：名词(n) 核心义：生态多样性 ·必记搭配与例句：·protect biodiversity(保护生态多样性)：We should take measures to protect biodiversity. ●loss of biodiversity(生物多样性丧失)：The loss of biodiversity is a serious problem. 3.elevated/'elrveitid/adj.高的；升高的；高出地面的 ·核心考点：词性：形容词(adj) 3个核心义：高的；升高的：高出地面的 高中沪外版选择性必修第二册 寒假专版 ·必记搭配与例句：●elevated temperature(高温)：The patient has an elevated temperature. ·elevated position(高处位置)：The house is in an elevated position. ·重点派生词：●elevate(动词)：elevate the mood(改善情绪)：Music can elevate our mood. 4.available /a'verlabl/adj.可获得的；可购得的；可找到的 ·核心考点：词性：形容词(adj) 3个核心义：可获得的：可购得的：可找到的 ·必记搭配与例句：·available for(可用于)：This room is available for meetings. ●available to(对…可获得)：These books are available to all students. ·重点派生词：·availability(名词)：the availability of resources(资源的可获得性) 5.allergy/'elad3i/n.过敏反应 ·核心考点：词性：名词(n) 核心义：过敏反应 ·必记搭配与例句：●have an allergy to(对…过敏)：She has an allergy to peanuts, ●food allergy(食物过敏)：Food allergy is common in children.. ·重点派生词：●allergic(形容词)：allergic to(对…过敏的)：He is allergic to cats. 6.hardship/'ha:dp/n.艰难：困苦 ·核心考点：词性：名词(n) 核心义：艰难；困苦 ·必记搭配与例句：●suffer hardship(遭受困苦)：They suffered great hardship during the war. ●economic hardship(经济困难)：Many families face economic hardship. 7.countless/'kauntlas/adj.无数的；数不尽的 ·核心考点：词性：形容词(adj) 核心义：无数的：数不尽的 ·必记搭配与例句：●countless times(无数次)：I've told you countless times not to do that, ●countless stars(无数星星)：There are countless stars in the sky. 8.devoted/d'vatd/ad.挚爱的：忠诚的：全心全意的 ·核心考点：词性：形容词(adj) 3个核心义：挚爱的：忠诚的：全心全意的 ·必记搭配与例句：·devoted to(致力于；忠诚于)：She is devoted to her family. ●devoted friend(忠诚的朋友)：He is a devoted friend. 高中沪外版选择性必修第二册 寒假专版 ·重点派生词：●devote(动词)：devote oneself to(致力于)：She devotes herself to teaching ·devotion(名词)：devotion to duty(忠于职守) 9.unfortunate/n'ftnt/adj.不幸的：倒霉的：令人遗憾的 ·核心考点：词性：形容词(adj) 3个核心义：不幸的：倒霉的：令人遗憾的 ·必记搭配与例句：·unfortunate event(不幸事件)：The accident was an unfortunate event ●It is unfortunate that..(遗憾的是…)：It is unfortunate that he missed the train. ·重点派生词：●unfortunately(副词)：Unfortunately,.he failed the exam. 10.despite/d'spat/prep.即使，尽管 ·核心考点：词性：介词(prp.) 核心义：即使，尽管 ·必记搭配与例句：●despite sth.(尽管某事)：Despite the rain,we went out. ·despite doing sth.(尽管做某事)：Despite feeling tired,she kept working. l1.the tip of the iceberg(问题的)冰山一角 ·核心考点：词性：短语 核心义：（问题的）冰山一角 ·必记搭配与例句：·This problem is just the tip of the iceberg.(这个问题只是冰山一角。) 12.on top of sth除…之外 ·核心考点：词性：短语 核心义：除…之外 ·必记搭配与例句：●On top of studying,he also works part-time.(除了学习，他还兼职工作。) 词汇核心考点综合训练 1.一、单项选择 1.She her success to her parents'support. 。A.0wms ●B.owes ●C.offers 高中沪外版选择性必修第二册 寒假专版 ·D.orders 2.We should take action to protect_ 。A.biology ·B.biography 。C.biodiversity ●D.biography 3.The patient has an_temperature,so the doctor advised him to rest ●A.elevated ●B.excited ●C.enormous ●D.essential 4.This dictionary isin the school library for all students. ·A.acceptable ●B.available ●C.affordable ●D.adjustable 5.My sister has an to seafood,so she can't eat shrimp. ·A.allergy ●B.allowance ·C.analysis 。D.application 6.Many people suffered great_during the flood. ·A.hardship 高中沪外版选择性必修第二册 寒假专版 ·B.happiness 。C.harvest 。D.holiday 7.There are_stars in the night sky on a clear evening ●A.countless ●B.curious ●C.cautious ●D.common 8.The_teacher has worked in this school for over 20 years. ·A.devoted ·B.divided 。C.developed 。D.disabled 9.the heavy rain,they still decided to go hiking. ●A.Although ·B.Despite 。C.Because 。D.Unless 10.The problem we are facing now is just the of the iceberg. 。A.top ●B.tip ●C.end 。D.side 2.二、根据提示补全句子 高中沪外版选择性必修第二册 寒假专版 1.Owing to the bad weather,the flight was_.(cancel) 2.The_of fresh water is becoming a serious problem.(available) 3.He is_to pollen,so he often sneezes in spring.(allergy) 4.Her to her job made her very popular among colleagues.(devote) 5.,we missed the last bus and had to walk home.(fortunate) 6.The government is trying to reduce economic_in rural areas.(hard) 3.三、首字母填空 1.On top of studying,she also does v work at weekends. 2.The loss of bis harmful to the balance of nature. 3.He has told me ctimes not to touch the machine. 4.The house is built in an eposition,so it has a good view. 5.I still oyou a cup of coffee from last time we met 4.参考答案 ·一、单项选择 1B2.C3.A4.B5.A6.A7.A8.A9B10.B ·二、根据提示补全句子 1.canceled 2.availability 3.allergic 4.devotion 5.Unfortunately 6.hardship ·三、首字母填空 1.volunteer 2.biodiversity 3.countless 4.elevated 5.owe