Unit 9 Human Biology Lesson 2-2025-2026学年高中英语词汇变形及词缀精讲选择性必修第三册（北师大版）

高中选修3北师大版 【Unit9】 词汇变形及词缀精讲 词汇精讲 Unit 9:Human Biology Lesson 2 词汇变形及词缀精讲 全部单元单词 atom/'etem/n.原子 locate /la'kert/vi.&t.找出intake/'mtek/n.摄入量，摄取 nerve /n3v/n.神经；焦虑，恐…的准确位置 量 惧，紧张 crossword/krDsw3:d/n.纵横字omega/'somigs//n.欧米伽（希 organ/':gn/n.器官 谜，纵横填字游戏 腊字母表的最后一个字母，即 contain /kan'ten/v.包含，容纳，zone/zaon/n.地区，地带 2) 装盛 junk food(高脂肪、高糖分等 impulse/'mmpAls/n.(神经)冲动，的)不利于健康的食品，垃圾食 (电)脉冲 品 词汇变形及词缀精讲 1.nerve /n3v/n.神经；焦虑，恐惧，紧张 形容词形式：nervous(紧张的，焦虑的) 副词形式：nervously(紧张地) 构词解析：后缀-0S:加在名词后构成形容词，表“具有…性质的”。 同类词：dangerous(危险的)、mysterious(神秘的) 例句：She felt nervous before the exam and couldn't sleep well. 真题链接（北师大版高中选修3同步练习)：He walked_(neve)into the interview room,his hands shaking slightly.(答案：nervously) 2.organ/':g3n/n.器官 形容词形式：organic(有机的；器官的) 构词解析：后缀-c:加在名词后构成形容词，表“与…相关的：具有…性质的”。 同类词：historic(历史的)、biologic(生物的) Organic food is becoming more popular because it is considered healthier. 真题链接（北师大版高中选修3教材例句)：The heart is one of the most important_(organ)in the human body..（答案：organs) 3.contain /kan'ten/v.包含，容纳，装盛 名词形式：container（容器：集装箱) 高中选修3北师大版 【Unit9】 词汇变形及词缀精讲 构词解析：后缀-：加在动词后构成名词，表“动作的执行者或工具”。 同类词：teacher(教师)、writer(作家)、cooker(炊具) 例句：This box contains all my old photos and letters. 真题链接（北师大版高中选修3同步练习)：The factory produces plastic_(contain)for storing food. (答案：containers) 4.locate /la'ket/vi.&vt.找出…的准确位置 名词形式：location(位置；地点) 形容词形式：located(位于…的) 构词解析：后缀-ion:加在动词后构成名词，表“动作或状态”；-d:构成形容词，表“处于… 状态的”。 固定搭配：be located in(位于…) 例句：We need to locate the nearest hospital quickly. 真题链接（北师大版高中选修3教材例句)：The company's main office is_(locate)in the center of the city.(答案：located) 5.zone/zan/n.地区，地带 动词形式：Zone(划分区域) 形容词形式：zoned(划分为区域的) 构词解析：后缀-ed:加在名词后构成形容词，表“被…的”。 例句：The city is zoned into residential and commercial areas. 真题链接（北师大版高中选修3同步练习）：This area is_(zone)as a nature reserve to protect wild animals..(答案：zoned) 6.intake/nterk/n.摄入量，摄取量 构词解析：前缀in-:表“进入”；take:动词“拿，取”；合成词intake指“进入体内的量”。 同类词：income(收入，进入的钱)、input(输入，进入的信息) 例句：It's important to control your daily intake of salt and sugar. 真题链接（北师大版高中选修3同步练习）：The doctor advised him to reduce his_(intake)of fatty food.(答案：intake) 7.impulse/'mpAls/n.(神经)冲动，（电）脉冲 形容词形式：impulsive(冲动的) 副词形式：impulsively(冲动地) 构词解析：后缀-ve:加在名词后构成形容词，表“有…倾向的”；y:构成副词。 例句：His impulsive decision to quit his job surprised everyone, 真题链接（北师大版高中选修3同步练习)：She often acts(impulse)without thinking about the consequences.(答案：impulsively) 8.atom/'etam/n.原子 形容词形式：atomic(原子的：原子能的) 构词解析：后缀-c:加在名词后构成形容词，表“与…相关的”。 高中选修3北师大版 【Unit9】 词汇变形及词缀精讲 衍生词：atom bomb(原子弹)、atomic energy(原子能) 例句：Atomic particles are too small to be seen with the naked eye. 真题链接（北师大版高中选修3教材例句）：The_(atom)structure of matter is akey topic in chemistry. (答案：atomic) 综合训练 一、 根据句意及汉语提示完成单词 6.The heart is one of the most important()in the human body 7.It's important to control your daily_(摄入量)of salt and sugar. 8.The_(原子的)structure of matter is a key topic in chemistry. 9.The company's main office is in a good()in the center of the city. l0.The doctor advised him to reduce his_(摄入量)of fatty food. 二、用所给单词的适当形式填空 6.He walked(nerve)into the interview room,his hands shaking slightly. 7.This area is_(zone)as a nature reserve to protect wild animals. 8.The factory produces plastic_(contain)for storing food. 9.She often acts(impulse)without thinking about the consequences. 10.The company's main office is(locate)in the center of the city 三、完成句子（每空一词） 5.有机食品因为被认为更健康而变得越来越受欢迎。 _food is becoming more popular because it is considered healthier. 6.这座城市被划分为住宅区和商业区。 The city is_into residential and commercial areas. 7.我们需要快速找到最近的医院。 We need to_the nearest hospital quickly. 8.这个盒子里装着我所有的照片和信件。 This box_all my old photos and letters. 高中选修3北师大版 【Unit9】 词汇变形及词缀精讲 四、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。 Our body is a complex system made up of many(organ).The heart,for example,is an important organ that pumps blood.To stay healthy,we should control our daily (intake)of sugar and fat. (Organ)food is a good choice as it is free from harmful chemicals. Nerves send-(impulse)to the brain,allowing us to feel and react.When we feel-(nerve),our hands might shake,and we might speak -(nervous).Some people act_(impulse)when they are nervous,which can lead to mistakes. The city is(zone)into different areas.The company'snew office is(locate)in the business zone, which is convenient for transportation.They use special-(contain)to store important documents. 参考答案 I.根据句意及汉语提示完成单词 6.organs 7.intake 8.atomic 9.location 10.intake Ⅱ.用所给单词的适当形式填空 6.nervously 7.zoned 8.containers 9.impulsively 10.located I.完成句子 5.Organic 6.zoned 7.locate 8.contains V.语篇填空 1.organs 2.intake 3.Organic 4.impulses 5.nervous 6.nervously 7.impulsively 8.zoned 9.located 10.containers