Unit 7 Careers Lesson2-2025-2026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 【词汇精讲】 Unit 7:Careers Lesson 2 词汇精讲 【Unit7】Careers Lesson2 词汇变形及词缀精讲 全部单元单词 trend/trend/n.趋势，趋向，倾comprehension/,komprI'henn/AI(artificial intelligence)/,er'ar/ 向 n.理解（力）：阅读理解测试 n.人工智能 financial/far'nen/adj.财政的，bio-technology/,barautek'nplad3 i/motivated/'mautrveitid/adj.积 金融的：财务的 n.生物技术 极的，主动的 logical/'lDd3k/adj.合乎逻辑 guarantee/.gaeran'ti:/vt.保证， 的：合情合理的 担保；n.保修单 词汇变形及词缀精讲 1.financial /far'naenj/adj.财政的，金融的；财务的 词汇变形 名词形式：finance 构词解析 后缀-i:加在名词后，构成形容词，表“与…有关的”。 同类词：commercial(商业的)、official(官方的) 例句：The company is facing some financial difficulties this year 真题链接（北师大版高中选修3同步练习)：management is an important part of running a successful business..(答案：Financial) 2.logical/'1Dd3kl/adj.合乎逻辑的：合情合理的 词汇变形 名词形式：logic 副词形式：logically 构词解析 后缀l:加在名词后，构成形容词，表“具有…性质的”；y构成副词。 同类词：mathematical(数学的)、musical(音乐的) 例句：It's logical to assume that he will arrive on time if he left early.. 真题链接（北师大版高中选修3教材例句）：A argument should be based on facts and clear reasoning.(答案：logical) 1 高中选修3北师大版 【词汇精讲】 Unit 7:Careers Lesson 2 3.comprehension/,kompri'henm/.理解（力）：阅读理解测试 词汇变形 动词形式：comprehend 形容词形式：comprehensive(全面的，综合的) 构词解析 前缀com-:表“共同、一起”；词根prehend:意为“抓住”；后缀-ion:构成名词，表“动作或结果”。 同类词：apprehension(忧虑，理解)、misunderstanding(误解) Her comprehension of English literature has improved greatly this term. 真题链接（北师大版高中选修3同步练习）：The teacher asked us to do a exercise after reading the passage.（答案：comprehension) 4.guarantee/.ger3n'ti:/t.保证，担保；n.保修单 词汇变形 名词形式：guarantee(同形) 形容词形式：guaranteed(有保证的) 构词解析 前缀guar-:源自古法语，意为“保护”；后缀-ee:表“动作的承受者”（此处名词形式同动词，被 动意义通过语境体现)。 固定搭配：guarantee to do sth.(保证做某事) 例句：The store guarantees a full refund if the product is faulty.. 真题链接（北师大版高中选修3教材例句）：This laptop comes with atwo-year.(答案：guarantee) 5.motivated/'mautiveitId/adj.积极的，主动的 词汇变形 动词形式：motivate 名词形式：motivation 构词解析 前缀mot-:源自拉丁语“movere”,意为“移动”；后缀-ate:构成动词，表“使…”；-ed构成形 容词，表“被…的”。 同类词：activated(激活的)、educated(受过教育的) Students who are highly motivated usually achieve better results. 真题链接（北师大版高中选修3同步练习）：Teachers should try to their students to take part in class discussions.(答案：motivate) 6.bio-technology/,baraotek'nplad3in.生物技术 词汇变形 拆分解析：bio-(生命)+technology(技术) 构词解析 前缀bio-:表“生命、生物”；词根techno-:意为“技术”；后缀-logy:表“学科、研究”。 同类词：biology(生物学)、biochemistry(生物化学) 例句：Bio-technology has made great progress in medical research. 真题链接（北师大版高中选修3教材例句)： is widely used in agriculture and medicine today. 高中选修3北师大版 【词汇精讲】 Unit 7:Careers Lesson 2 (答案：Bio-technology) 7.trend/rend/n.趋势，趋向，倾向 词汇变形 动词形式：trend(vi.趋向，倾向于) 形容词形式：endy(时髦的，流行的) 构词解析 后缀-y:加在名词后，构成形容词，表“具有…特征的”。 同类词：winy(有风的)、cloudy(多云的) The trend of working from home has become more popular in recent years 真题链接（北师大版高中选修3同步练习）：What do you think will shape the fashion industry next season?(答案：trend) 8.AI(artificial intelligence)/,er'ar/n.人工智能 词汇变形 拆分解析：artificial（人工的)+intelligence(智能) 构词解析 前缀ati-:表“技巧、人工”；词根fici:意为“做”；后缀-al:构成形容词；intelligence源自拉丁 语“intelligere”(理解)。 例句：AI is being used to improve efficiency in many industries. 真题链接（北师大版高中选修3教材例句）： technology is changing the way we live and work. (答案：AI) 综合训练 一、 根据句意及汉语提示完成单词 6.The company's. (财政的)report shows a significant profit this quarter. 7.Itis (合乎逻辑的)to conclude that regular exercise improves health 8.The students are doing a test to check their reading skills. 9.This product comes with a one-year(保修单)for parts and labor. 10.Recent advances in (生物技术)have led to new treatments for diseases. 二、用所给单词的适当形式填空 6.She needs to improve her(comprehend)of complex scientific concepts. 7.The team was highly (motivate)to win the championship after months of training. 3 高中选修3北师大版 【词汇精讲】 Unit 7:Careers Lesson 2 8 (logic)thinking is essential for solving mathematical problems. 9.The (trendy)of sustainable fashion is gaining popularity among young consumers. 10.AI technology (guarantee)to increase productivity in manufacturing 三、完成句子（每空一词) 5.良好的 (财务管理)对企业的成功至关重要。 Good is crucial for a company's success. 6.他的论点缺乏 (逻辑)，因此没有说服力。 His argument lacks and is therefore unconvincing. 7.老师鼓励学生 (积极参与)课堂讨论。 Teachers encourage students to be in class discussions. 8.这款新软件」 (保证)数据安全和快速处理。 This new software data security and fast processing 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。 In today's rapidly changing world, (finance)stability and technological innovation are key. Many companies are investing in (bio-technology)and AI to stay competitive.A (log- ical)approach to innovation involves understanding market(trend)and customer needs.Em- ployees who are_ (motivate)往往更容易提出创造性解决方案。此外，企业需 (guar- antee)产品质量以赢得客户信任。加强阅读理解能力()可以帮助员工更好地分析市场 报告。总之，结合技术与策略是企业发展的核心。 参考答案 I根据句意及汉语提示完成单词 6.financial 7.logical 8.comprehension 9.guarantee 10.bio-technology L.用所给单词的适当形式填空 6.comprehension 7.motivated 8.Logical 9.trend 10.guarantees II.完成句子 5.financial management 6.logic 7.motivated 8.guarantees 4 高中选修3北师大版 【词汇精讲】 Unit 7:Careers Lesson 2 V.语篇填空 1.financial 2.bio-technology 3.logical 4.trends 5.motivated 6.guarantee 7. comprehension 5