Unit 4 Disaster Survival 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）

高中选择性必修第二册沪外版 寒假专版 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Unit4 Disaster Survival A部分 单元词汇总览 boundary/baondri/n.边界；分specialist/'spefalst/n.专家 dentist/'dentrst/n.牙科医生 界线 infectious/m'feks/adj.传染性specialize/'spe∫alaz/v.专门研究 statistic/st't虹stk/n.(一项)统的 (或从事)，专攻 计数据 clinic/'klnk/n.诊所；门诊部 gene/d3in/n.基因口 assist/'sIst/v.协助：帮助 disinfect/dsn'fekt/v.为…消genome/'d3 i:neum/n.基因组，染 tackle'tekl/v.处理，对付（难毒：给…杀菌 色体组口 题) outbreak/'autbrerk/n.爆发，突cell/sel/n.细胞 ital/'vatl/adj.极其重要的 然发生 being/'bi:/n.生物：存在：身 tragic/tred3kad.悲惨的，不surgeon/'s3:d3/n.外科医生 心 幸的 physician /fr'zn/n.医师，内科lifespan/'larfspan/n.寿命，有效 Ebola/i'bala/n.埃博拉病毒 医生 期口 词汇核心考点精讲 1.boundary/baundri/n.边界；分界线 ·核心考点：词性：名词(n.) 1个核心义：边界；分界线（抽象/具体范围的界限） ·必记搭配与例句：·the boundary between A and B(A与B之间的界限)：The river forms the boundary between the two countries. ·cross a boundary(越过界限)：You must not cross the boundary of others'privacy. ·重点派生词：·bound(动词)：bind的过去式和过去分词，意为“捆绑：限制”(be bound by ules受规则限制) 2.statistic/sta'tistrk/n.(一项)统计数据 ·核心考点：词性：名词(n.) 1个核心义：（一项）统计数据（侧重单个数据） ·必记搭配与例句：·official statistics(官方统计数据)：Official statistics show the economy is growing. ●according to statistics(根据统计数据)：According to statistics,crime rates are falling. ·重点派生词：·statistics(名词)：统计学（学科）：统计数据（总称，视为复数） 高中选择性必修第二册沪外版 寒假专版 ●statistical(形容词)：statistical analysis(统计分析) 3.assist/3'sIst/v.协助；帮助 ·核心考点：词性：动词(v) 1个核心义：协助：帮助（侧重辅助性动作） ·必记搭配与例句：●assist sb.in doing sth.（协助某人做某事)：She assisted me in solving the problem. ●assist with sth.（协助处理某事)：He assists with the project management. ·重点派生词：●assistance(名词)：technical assistance(技术援助) ●assistant（名词)：teaching assistant(助教) 4.tackle/'tekl/v.处理，对付（难题） ·核心考点：词性：动词(v) 1个核心义：处理，对付（难题、任务等） ·必记搭配与例句：·tackle a problem(处理问题)：We need to tackle environmental problems. ●tackle the task(着手任务)：She tackled the task with confidence. ·重点派生词：·tackler(名词)：（足球）铲球手；解决问题的人 5.itl/vatl/adj.极其重要的 ·核心考点：词性：形容词(adj) 1个核心义：极其重要的（强调不可或缺性） ·必记搭配与例句：●be vital to/for(对…至关重要)：Water is vital to life. ●it is vital that.(…是极其重要的，从句用虚拟语气should+动词原形，should可省略)：It is vital that we(should)protect our environment. ·重点派生词：·vitality(名词)：活力：生命力（physical vitality体力) ●vitally(副词)：vitally important(至关重要) 6.tragic/'tred3k/adj.悲惨的，不幸的 ·核心考点：词性：形容词(adj) 1个核心义：悲惨的，不幸的（描述事件或结局） ·必记搭配与例句：●tragic accident(悲惨事故)：The tragic accident caused many deaths. ●tragic ending(悲剧结局)：The story has a tragic ending. ·重点派生词：●tragedy(名词)：悲剧；灾难(a national tragedy国家悲剧) ●tragically(副词)：tragically killed(不幸遇难) 7.infectious/m'fekfas/adj..传染性的 高中选择性必修第二册沪外版 寒假专版 ·核心考点：词性：形容词(adj) 1个核心义：传染性的（疾病）：有感染力的（情绪等） ·必记搭配与例句：·infectious disease(传染病)：Measles is an infectious disease. 。infectious smile(有感染力的微笑)：Her infectious smile made everyone happy. ·重点派生词：●infect(动词)：感染(be infected with被感染) ●infection(名词)：感染；传染病(prevent infection预防感染) 8.disinfect/,dsn'fekt/V.为…消毒；给…杀菌 ·核心考点：词性：动词(v) 1个核心义：为…消毒；给…杀菌 ·必记搭配与例句：●disinfect the wound(给伤口消毒)：The nurse disinfected the wound carefully. 。disinfect surfaces(给表面消毒)：Disinfect surfaces to kill germs ·重点派生词：●disinfection(名词)：消毒(routine disinfection常规消毒) ●disinfectant(名词)：消毒剂(medical disinfectant医用消毒剂) 9.outbreak/'autbrerk/n.爆发，突然发生 ·核心考点：词性：名词(n.) 1个核心义：爆发，突然发生（疾病、战争等） ·必记搭配与例句：●outbreak of sth.(…的爆发)：the outbreak of war战争爆发：the outbreak of flu流感爆发 ●prevent an outbreak(阻止爆发)：Measures were taken to prevent an outbreak. 10.specialize/'spefslarz/v.专门研究（或从事），专攻 ·核心考点：词性：动词() 1个核心义：专门研究（或从事），专攻 ·必记搭配与例句：●specialize in(专攻…领域)：She specializes in international law. ●specialize as(以…身份专门从事)：He specializes as a heart surgeon. ·重点派生词：●specialist(名词)：专家(medical specialist医学专家) ·specialized(形容词)：专门的；专业的(specialized knowledge专业知识) 11.lifespan/'laifspaen/n.寿命，有效期 ·核心考点：词性：名词(n) 1个核心义：寿命，有效期 ·必记搭配与例句：●human lifespan(人类寿命)：The average human lifespan has increased. ●the lifespan of sth.(某物的有效期)：The lifespan of a battery is about two years.. 12.genome/'d3inom/n.基因组，染色体组 高中选择性必修第二册沪外版 寒假专版 ·核心考点：词性：名词(n) 1个核心义：基因组，染色体组 ·必记搭配与例句：·human genome(人类基因组)：The human genome project was completed in 2003 ●genome sequencing(基因组测序)：Scientists are working on genome sequencing. 13.being/bi:山/n.生物：存在：身心 ·核心考点：词性：名词(n) 2个核心义：生物：存在：身心 ·必记搭配与例句：●human being（人类)：We are all human beings.. ●come into being(形成；产生)：A new idea came into being ·well-being(名词，不可数)：健康；幸福(mental well-being心理健康) 14.cell/sel/n.细胞 ·核心考点：词性：名词(n.) 1个核心义：细胞（生物学）：电池：牢房 ·必记搭配与例句：·blood cell(血细胞)：Red blood cells carry oxygen. ●dry cell(干电池)：This flashlight uses two dry cells. ·重点派生词：。cellular(形容词)：细胞的(cellular structure细胞结构)：蜂窝状的(cellular phone手机) 词汇核心考点综合训练 1.一、单项选择 1.The river forms a natural-between the two villages. ●A.boundary ·B.statistic 。C.outbreak ●D.genome 2.According to official,the unemployment rate has dropped by 2%. ●A.statistic 高中选择性必修第二册沪外版 寒假专版 ·B.statistics ●C.statistical ·D.specialist 3.The teacher asked Tom to her in preparing the teaching materials. ●A.assist ·B.tackle ·C.disinfect 。D.specialize 4.We need to the problem of air pollution before it gets worse. ●A.vital ·B.tragic 。C.tackle ●D.infect 5.Fresh water isto the survival of all living things. ●A.infectious 。B.vital ·C.tragic ●D.cellular 6.The_accident caused three deaths and several injuries. ●A.tragic ●B.vital ●C.infectious ●D.specialized 7.Measles is a highlydisease that spreads easily through the air. 高中选择性必修第二册沪外版 寒假专版 ●A.disinfected ●B.infectious ●C.tragic ●D.vital 8.Nurses must medical tools before using them on patients. ●A.infect ●B.assist 。C.disinfect ●D.tackle 9.The government took quick action to prevent theof the new virus. 。A.boundary ●B.outbreak ●C.statistic 。D.cell 10.Dr.Li in heart disease and has saved many patients. ●A.specializes ·B.assists ●C.disinfects ●D.tackles 2.二、根据提示补全句子 1.The team needs your_(assist)to finish the project on time. 2.The_(analyze)of the data shows a clear trend in sales growth.(提示：statistic的派生词) 3.Itis_(vitality)important to wear masks in crowded places.(提示：vital的派生词 4.The_(tragedy)news made everyone in the room silent.(提示：tragic的派生词) 高中选择性必修第二册沪外版 寒假专版 5.Regular_(disinfect)of public areas can reduce the risk of infection.(提示：disinfect的派生词) 6.She is a-(specialize)in environmental science and has published many papers.(specialize 的派生词) 3.三、首字母填空 1.The human gproject has helped scientists understand genetic diseases better. 2.The average L of people in this country has increased by 5 years in the past decade. 3.A new b_was built between the two cities to separate industrial and residential areas 4.The child'silaughter spread to everyone around him. 5.We must cross the river to reach the other side,but we can't see the bclearly in the fog. 4.参考答案 ·一、单项选择 ABACBABCBA ·二、根据提示补全句子 assistance statistical vitally tragic disinfection specialist ·三、首字母填空 genome lifespan boundary infectious boundary