Unit 1 Technology in the Future-2025-2026学年八年级下册英语词汇变形及词缀精讲（北师大版）

8年级下册北师大版 词汇变形及词缀精讲 Unit 1 Technology in the Future 词汇变形及词缀精讲 全部单元单词 technology/tek'nplad3i/n.技术；教师；研究员 快递adj.明确的：快速的n.快 科技 medical/medikl/adj.医学的：车；快递 electronic /I lek'tronik/adj..电子医疗的：内科的 situation/,stu'eIn/n.情况：形 的：电子器件的 president/'prezidant/n.总统；势；处境 smart/smat/adj.聪明的：机灵主席；校长：董事长 deal/dil/v.处理；应对；交易 的：智能的 choice /tfoIs/n.选择：抉择；选n.交易：协议 invention /m'venn/n.发明：创择权adj.优质的：精选的 deal with/di:lwI/短语处理；应 造：发明物 develop/dr'velap/v.发展；开发；对；涉及 product/'prDdAkt/n.产品：制培养；患（病） decision/d's3n/n.决定；抉择； 品；产物 present/preznt/adj.现在的；出判决 development/d'velapmant/n.席的prr'zent/v.赠送；呈现n.spare/spea(r)/v.抽出；匀出；饶 发展：开发；发育 礼物：现在 恕adj.空闲的：备用的 progress/praugres/n.进步；进instead of/m'sted pv/短语代替：successful/sak'sesfl/adj.成功 展pr3'gres/V.进步：进展 作为…的替换 的：如愿以偿的 closely/'kloozli/adv.紧密地；密require/'kwaI()/v.需要；要introduction/,Imtr3'dkn/n.介 切地；仔细地 求：依赖 绍：引进；引言 allow/A'la/v.允许：准许；给compiler /kam'parla()/n.编译businessman/'bzn3sman/n.商 予 器；编纂者；汇编者 人：企业家 make use of /meik ju:z Dv/decision making/dr'sI3n 'meikn/ setp/setp/短语建立；设立： 利用：使用 短语决策：制定决策 创办 professor /pr3'fesa()/n.教授；express/k'spres/V.表达；表示； 词汇变形及词缀精讲 1.technology/tek'nplad3in.技术；科技 形容词形式：technological(技术的：科技的) 构词解析：后缀-l1ogy:表“学科、学问”；-logical是对应的形容词后缀。 同类词：biology(生物学)→biological(生物学的) 例句：Modern technology has changed our life a lot, 真题链接（北师大版八年级下册同步练习）：With the development of (technology)tools,people can work more efficiently..(答案：technological) 8年级下册北师大版 词汇变形及词缀精讲 2.electronic/,lek'tronik/adj.电子的：电子器件的 名词形式：electron(电子)：名词复数：electronics(电子学；电子设备) 构词解析：前缀electr-(电)+后缀-onic(表“与…相关的”)。 例句：My father bought a new electronic dictionary for my study. 真题链接（北师大版八年级下册教材例句）：We can use electronic devices to get information quickly. 3.invention /m'venn/n.发明；创造；发明物 动词形式：invent(发明：创造)；形容词形式：inventive(有发明才能的) 构词解析：前缀im-(向内)+vent(来)+后缀-ion(名词后缀，表“动作或结果”)。 例句：The invention of the computer has greatly changed the world. 真题链接（北师大版八年级下册同步练习）：Edison was a great (invent)and he made many useful things..(答案：inventor) 4.development/d'velapmant/.n.发展；开发；发育 动词形式：develop(发展；开发)：形容词形式：developing(发展中的)：developed(发达的) 构词解析：develop(动词)+后缀-nent（名词后缀，表“动作或结果”)。 例句：The development of science helps us solve many problems. 真题链接（北师大版八年级下册同步练习)：China is a__(develop)country,but it is growing very fast.(答案：developing) 5.medical/medikl/adj.医学的：医疗的；内科的 名词形式：medicine(药：医学) 构词解析：名词medicine(医学)+后缀-al（形容词后缀，表“与…相关的”)。 同类词：music(音乐)→nusical(音乐的) 例句：My uncle works in a medical college as a teacher. 真题链接（北师大版八年级下册教材例句）：We need to improve our medical care system. 6.successful/sak'sesfl//adj.成功的；如愿以偿的 名词形式：success(成功)；副词形式：successfully(成功地)：动词形式：succeed(成功；继承) 构词解析：名词success+后缀-fu（形容词后缀，表“充满…的”)。 例句：Yao Ming is a successful basketball player.. 真题链接（北师大版八年级下册同步练习)：He worked hard and_(success)in passing the exam. (答案：succeeded) 7.introduction/.ntr3'dkn/n.介绍：引进：引言 动词形式：introduce(介绍：引进) 构词解析：前缀intro-(向内)+dc(引导)+后缀-tion(名词后缀，表“动作或结果”)。 例句：Let me make an introduction of my new friend to you. 真题链接（北师大版八年级下册同步练习)：The teacher asked me to__(introduction)myself to the class.(答案：introduce) 8.express/k'spres/v.表达；表示；快递adj.明确的；快速的n.快车；快递 8年级下册北师大版 词汇变形及词缀精讲 名词形式：expression(表达；表情)：副词形式：expressly(明确地：特意地) 构词解析：前缀ex-（向外)+press（压)，字面义“压出来”，引申为“表达”。 例句：We should learn to express our ideas clearly. 真题链接（北师大版八年级下册同步练习）：Her (express)showed that she was very happy. 案：expression) 9.decision/dr'sI3m/n.决定；抉择；判决 动词形式：decide(决定；判断)；形容词形式：decisive(决定性的：果断的) 构词解析：动词decide+后缀-sion（名词后缀，表“动作或结果”)。 例句：It's difficult to make a decision quickly. 真题链接（北师大版八年级下册同步练习）：You should (decision)what to do next by yourself (答案：decide) l0.introduction/,ntra'dkn/n.介绍；引进：引言 动词形式：introduce（介绍；引进) 构词解析：前缀intro-（向内)+duc（引导)+后缀-tion(名词后缀，表“动作或结果”)。 例句：The introduction of new technology improved our work efficiency. 真题链接（北师大版八年级下册同步练习）：Can you__(introduction)your new classmate to us? (答案：introduce) 11.compiler /kam'parl(r)/n.编译器；编纂者；汇编者 动词形式：compile（编译；编纂) 构词解析：前缀com-(共同)+pile(堆积)+后缀-er(名词后缀，表“人或物”)。 例句：A compiler is a tool that translates code into machine language, 真题链接（北师大版八年级下册拓展阅读）：The compiler spent three years finishing the dictionary. l2.situation/.stu'eIn/n.情况：形势：处境 形容词形式：situational(情境的；环境的) 构词解析：名词situation+后缀-al(形容词后缀，表“与…相关的”)。 例句：We need to think of a way to improve the situation. 真题链接（北师大版八年级下册同步练习)：Can you describe the_(situate)in your hometown? (答案：situation) l3.progress/'praugres/n.进步；进展pr3'gres/v.进步：进展 形容词形式：progressive(进步的：渐进的) 构词解析：前缀pro-(向前)+gress(行走)，表“向前走”，即“进步”。 例句：He has made great progress in his English study. 真题链接（北师大版八年级下册教材例句）：We should work hard to progress every day: l4.choice /tfois/n.选择；抉择；选择权adj.优质的；精选的 动词形式：choose(选择；挑选)：过去式/过去分词：chose/chosen 构词解析：动词choose的名词形式，-ice为名词后缀。 3 8年级下册北师大版 词汇变形及词缀精讲 例句：We have many choices for our summer vacation. 真题链接（北师大版八年级下册同步练习）：Please (choice)the best answer from the options. (答案：choose) 综合训练 一、 根据句意及汉语提示完成单词 1.The development of (科技)has made our life more convenient,. 2.My father bought a new (电子的)watch as my birthday gift. 3.The (of the smartphone changed people's communication ways. 4.We need to improve our (医7的)services in rural areas.. 5.The teacher asked us to write an (介绍)about our hobbies. 二、用所给单词的适当形式填空 1.With the (develop)of industry,more and more pollution appears 2.Edison was a great (invent)who created many useful things 3.She worked hard and finally succeeded in (pass)the exam. 4.The (medicine)team arrived at the village quickly after the earthquake. 5.Can you tell me the (decide)you made after the meeting? 三、完成句子（每空一词) 1.中国是一个发展中国家，但它发展得很快。 China is a and it is growing very fast 2.这位编译器花了五年时间完成这本词典。 The spent five years finishing the dictionary. 3.他的表情表明他对结果很满意。 His showed that he was satisfied with the result. 四、语篇填空 8年级下册北师大版 词汇变形及词缀精讲 Technology has brought great changes to our life.The (develop)of electronic devices allows us to get information easily.For example,a(medicine)app can help us check our health condition. Inventions like smartphones are_ (success)because they meet people's needs.However,we should also care about the (situate)where some people can't afford new technology.It's important to make technology (help)for everyone. 参考答案 I.根据句意及汉语提示完成单词 1.technology 2.electronic 3.invention 4.medical 5.introduction Ⅱ.用所给单词的适当形式填空 1.development 2.inventor 3.passing 4.medical 5.decision L.完成句子 1.developing country 2.compiler 3.expression V.语篇填空 1.development 2.medical 3.successful 4.situation 5.helpful 5