Unit 9 Human Biology Lesson 2-2025-2026学年高中英语词义辨析及同义替换精讲选择性必修第三册（北师大版）

高中选修3北师大版 【精讲专版】 D版词义辨析及同义替换精讲 精讲专版 【Unit9】Human Biology Lesson2 词义辨析及同义替换精讲 本单元核心词汇 一、全部单元单词 atom/'etem/n.原子 (电)脉冲 不利于健康的食品，垃圾食品 nerve /n3:v/n.神经；焦虑，恐locate /lav'ket/vi.&t.找出intake/mteik/n.摄入量，摄取 惧，紧张 …的准确位置 量 organ/':gn/n.器官 crossword/'kDsw3:d/n.纵横字omega/'UmIg3/n.欧米伽（希腊 contain /kan'tem/v.包含，容纳，谜，纵横填字游戏 字母表的最后一个字母，即2) 装盛 zone/zaUn/n.地区，地带 impulse/'mpals/n.(神经)冲动，junk food(高脂肪、高糖分等的 词义辨析及同义替换 1.contain /kan'tem/v.包含，容纳，装盛 词义辨析： contain:侧重指“包含在内、容纳”，强调某物是整体的一部分或容器内装有某物，不用于情感、 抽象概念。 include:指“整体中包含部分”，侧重范围上的“包括”，可用于抽象事物。 同义替换： include,hold 例句： The box contains a variety of tools for the experiment. 真题链接：（北师大版高中选修3同步练习） This book_all the information we need for the project. A.includes B.contains C.holds(答案：B) 2.locate/la'ket/vi.&t.找出…的准确位置 词义辨析： locate:强调“确定位置、定位”，既可作及物动词(locate sth.),也可作不及物动词(locate in.)。 fnd:泛指“找到”，侧重结果，不强调“精准定位”。 高中选修3北师大版 【精讲专版】 D版词义辨析及同义替换精讲 同义替换： find,pinpoint 例句： The GPS helped us locate the missing hiker in the mountain 真题链接：（北师大版高中选修3单元测试） Police used the witness's description to the suspect's hideout. A.locate B.find C.search (答案：A) 3.z0ne/z9n/n.地区，地带 词义辨析： zone:指具有特定功能或特征的“区域、地带”，如气候区、经济区等，划分较明确。 ara:泛指“面积、区域”，范围较广，无特定功能划分。 同义替换： region,area 例句： The city has set up a special economic zone to attract foreign investment 真题链接：（北师大版高中选修3模块练习） The Arctic is a coldwith little vegetation. A.zone B.area C.place(答案：A) 4.intake/'mtek/n.摄入量，摄取量 词义辨析： intake:侧重“摄入、吸收的量”，尤指食物、液体或空气的摄取。 amount:泛指“数量”，可修饰不可数名词，范围更广。 同义替换： consumption,uptake 例句： Doctors advise limiting salt intake to reduce the risk of high blood pressure. 真题链接：（北师大版高中选修3健康单元练习） A balanced diet requires controlled_of sugar and fat. A.intake B.amount C.number (答案：A) 5.nerve /n3v/n.神经：焦虑，恐惧，紧张 词义辨析： nerve(焦虑)：指因压力或紧张产生的“神经紧张、恐惧”，不可数。 anxiety:更正式，指“焦虑、担忧”，可作可数或不可数名词，强调内心的不安。 同义替换： anxiety,tension 2 高中选修3北师大版 【精讲专版】 D版词义辨析及同义替换精讲 例句： She felt a sudden nerve before the final exam. 真题链接：（北师大版高中选修3心理单元测试） His_about the interview made him unable to sleep well. A.nerve B.anxiety C.fear (答案：A) 6.impulse/mpAls/n.(神经)冲动，（电）脉冲 词义辨析： impulse(神经冲动)：指神经或电信号的“脉冲、冲动”，科学术语。 urge:指“强烈的欲望、冲动”，侧重主观愿望。 同义替换： pulse,urge 例句： Nerve impulses travel from the brain to the muscles at high speed. 真题链接：（北师大版高中选修3生物单元练习） The from the sensory neurons triggers a response in the body. A.impulse B.signal C.pulse (答案：A) 7.organ/'gn/n.器官 词义辨析： organ:指生物体内具有特定功能的“器官”，如心脏、肝脏等。 organism:指“有机体、生物体”，整体概念。 同义替换： body part,organ 例句： The heart is a vital organ that pumps blood throughout the body. 真题链接：（北师大版高中选修3生物同步练习） The lungs are the main_for breathing in humans. A.organ B.patC.system（答案：A) 8.crossword/kDsw3:dn.纵横字谜，纵横填字游戏 词义辨析： crossword:特指“纵横字谜游戏”，有固定格子和线索。 puzzle:泛指“谜题、智力游戏”，如拼图、数独等。 同义替换： word puzzle,crossword puzzle 例句： She spends her spare time solving crossword puzzles in the newspaper 3 高中选修3北师大版 【精讲专版】 D版词义辨析及同义替换精讲 真题链接：（北师大版高中选修3英语单元练习） Do you enjoy doing_to improve your vocabulary? A.crosswords B.puzzles C.games (答案：A) 9.junk food(高脂肪、高糖分等的)不利于健康的食品，垃圾食品 词义辨析： junk food:特指“垃圾食品”，含贬义，指营养低、热量高的食品。 nack:泛指“零食”，中性词，可指健康或不健康的小食品。 同义替换： unhealthy food,fast food 例句： Eating too much junk food can lead to weight gain and health problems. 真题链接：（北师大版高中选修3健康单元测试) Children should limit their intake ofand eat more fruits and vegetables. A.junk food B.snacks C.meals (答案：A) 10.atom/'etem/n.原子 词义辨析： tom:指化学中的“原子”，构成物质的基本单位。 molecule:指“分子”，由原子构成。 同义替换： particle,atom 例句： An atom consists of a nucleus and electrons 真题链接：（北师大版高中选修3化学单元练习） The smallest unit of an element is called a(n)_ A.atom B.molecule C.particle(答案：A) 11.omega/'amIg3/n.欧米伽（希腊字母表的最后一个字母，即2） 词义辨析： omega:希腊字母表的最后一个字母，符号2，也指“欧米伽脂肪酸”（如omega-.3)。 alpha:希腊字母表的第一个字母，与omega相对，象征“开始”。 同义替换： Omega(作为字母无替换词，作为脂肪酸时可提omega--3/6) 例句： Omega-3 fatty acids are good for heart health 真题链接：（北师大版高中选修3生物单元练习） The Greek letter is often used to represent the end or final stage. A.omega B.alpha C.beta (答案：A) 高中选修3北师大版 【精讲专版】 D版词义辨析及同义替换精讲 综合演练 综合练习 一、 单项选择 1.This bottle can up to 500 milliliters of water. A.include B.contain C.hold 2.The rescue team used drones to the missing climbers in the mountain area. A.locate B.find C.search 3.The city has divided the downtown area into a shopping-and a cultural_ A.zone;area B.area;zone C.place;zone 4.Nutritionists suggest that daily watershould be at least 2 liters for adults. A.intake B.amount C.number 5.Thesystem sends messages from the brain to other parts of the body. A.nerve B.anxiety C.fear 6.A(n)-travels along the neuron to transmit information quickly. A.impulse B.signal C.pulse 7.The liver is an important responsible for detoxifying the body. A.organ B.part C.system 8.Many students enjoy solvingpuzzles to improve their vocabulary skills. A.crosswords 高中选修3北师大版 【精讲专版】 D版词义辨析及同义替换精讲 B.puzzles C.games 9.Eating too much may increase the risk of obesity and diabetes. A.junk food B.snacks C.meals 10.A(n)_is composed of protons,neutrons,and electrons. A.atom B.molecule C.particle 二、根据句意及汉语提示完成单词 1.The Arctic()is known for its extreme cold and ice-covered landscape. 2.Reducing salt_(摄入量)is important for maintaining heart health 3.The doctor examined his()function through a series of tests. 4.The()is the basic unit of a chemical element. 5._(欧米伽)-3 fatty acids are found in fish like salmon and mackerel. 6.The city's new industrial()will create thousands of jobs. 三、用所给单词的适当形式填空 1.The box _(contain)a collection of ancient coins and stamps. 2.Scientists are trying to(locate)the source of the mysterious signal. 3.Her_(nerve)before the performance made her hands shake slightly. 4.The(intake)of harmful chemicals has been strictly controlled by the government. 5.-(Omega)-6 fatty acids are essential for human health but should be consumed in moderation 四、完成句子 1.This book()all the key points we need for the exam. 2.The police used advanced technology to()the stolen car. 6 高中选修3北师大版 【精讲专版】 D版词义辨析及同义替换精讲 3.A balanced diet requires limiting the_(摄入量)of processed foods. 4.Nerve()allow us to react quickly to external stimuli. 五、语篇填空 阅读下面短文，在空白处填入一个适当的单词或用括号内单词的正确形式填空，使短文通顺、连 贯。 The human body is a complex system.Each organ has a specific function:the heart pumps blood, the lungs process oxygen(intake),and the brain sends_(nerve)signals.These signals,called -(impulse),travel through neurons to control movement and sensation.The smallest unit of matter, the(atom),forms molecules that build cells,tissues,and organs.In daily life,we should avoid excessive(junk food)and maintain a healthy diet.For example,the(zone)near the equator has high temperatures,so people there often need more water(intake)to stay hydrated. 参考答案 I单项选择 1.B2.A3.A4.A5.A6.A7.A8.A9.A10.A Ⅱ.根据句意及汉语提示完成单词 1.zone 2.intake 3.nerve 4.atom 5.Omega 6.zone IL.用所给单词的适当形式填空 1.contains 2.locate 3.nerve 4.intake 5.Omega V.完成句子 1.contains 2.locate 3.intake 4.impulses V.语篇填空 1.intake 2.nerve 3.impulses 4.atom 5.junk food 6.zone 7.intake >