Unit 1 Life Choices Lesson 1-2025-2026学年高中英语词汇变形及词缀精讲必修第一册（北师大版）

高中英语北师大版 【必修1】 词汇变形及词缀精讲 必修1 Unit 1:Life Choices Lesson 1 词汇变形及词缀精讲 全部单元单词 lifestyle/'larfstarl/n.生活方式 的：多种（类型）的 drag /draeg/vt.拖，拉 chat/et/i.&n.闲谈，聊天 hardware /'ha:dwea/n. :(计算tend to do sth易于做某事 surf /s3fv.冲浪：surf the Inter.-机)硬件 goal/golm.目标，目的 net网上冲浪，浏览因特网 necessity/ha'sesati/m.必需品 aim /erm/m.目的，意图：vi.力 voluntary/'vplantari/adj.志愿 convenient /kan'vi:niant/adj.方求达到 的：服务的：自愿的 便的，便利的 target/'ta:gt/n.目标 engine/'end3mh.引擎 quality/kwDlati/h.质量，品质update/Ap'deit/vt.更新 search engine搜索引擎 from time to time有时；偶尔；neanwhile/'mi:nwarl/adv.与此 definitely/'definitli/adv.确切地，间或 同时 肯定地 living room起居室 distance/'distans/n.距离，间距 teen /tin/m.少年，十几岁的孩 addict/'edkt/h.对…着迷的volunteer/vDln'ta/wi.&t.自 子 人 愿：志愿；n.志愿者 laptop/laptpp/m.笔记本电脑，according to按…所说，根据revise /rI'vaIz/vi..&t.复习 便携式电脑 in person亲自 saying/'seI四h.格言，谚语 digital /'did3tl/adj.数字的，数media/'mi:dian.新闻媒体，大ahead/'hed/adv..在前面；向前 码的 众传播媒介（总称） get ahead取得进步，获得成功 native/'nertrv/n.本地人 social media社交媒体 range /remd3h.一系列：范围 actually/'ektfuali/adv.实际上， various'vearias/ad.各种各样事实上 词汇变形及词缀精讲 1.voluntary/'vDlantari/adj.志愿的：服务的：自愿的 动词/名词形式：volunteer 构词解析： 后缀y:加在名词后构成形容词，表“与…有关的；具有…性质的”。 例句：She does voluntary work at the local hospital every weekend. 真题链接（北师大版高中必修1同步练习）：Many students_(voluntary)to help clean up the park during the holiday.(答案：volunteered) 高中英语北师大版 【必修1】 词汇变形及词缀精讲 2.digital/'dd3tl/adj.数字的，数码的 名词形式：digit 构词解析： 后缀-l:加在名词后构成形容词，表“…的”。 同类词：national(国家的)、cultural（文化的) 例句：Nowadays,.most young people prefer digital books to paper ones. 真题链接（北师大版高中必修1教材例句）：Digital technology has changed the way we communicate. 3.convenient /kon'vi:niant/adj.方便的，便利的 名词形式：convenience 副词形式：conveniently 构词解析： 前缀con-:表“共同；一起”；后缀-ent:构成形容词；-ence:构成名词：-y:构成副词。 例句：Online shopping brings great convenience to our daily life 真题链接（北师大版高中必修1同步练习）：Itis(convenience)to pay by mobile phone in most stores now.(答案：convenient) 4.quality/kwplati/m.质量，品质 形容词形式：qualitative 副词形式：qualitatively 构词解析： 后缀-ity:构成抽象名词，表“性质、状态”；-ative:构成形容词。 例句：The company always pays attention to the quality of its products. 真题链接（北师大版高中必修l同步练习）：We need to improve the (qualitative)of our service to attract more customers..(答案：quality) 5.various/'vearias/adj.各种各样的：多种（类型）的 名词形式：variety 动词形式：vary 构词解析： 前缀vari-:表“变化”；后缀-ous:构成形容词；-ety:构成名词。 固定搭配：a variety of=various(各种各样的) 例句：There are various reasons for his decision to study abroad, 真题链接（北师大版高中必修1教材例句）：Students come from a variety of backgrounds. 6.revise /r'vaIz/vi.&t.复习：修订 名词形式：revision 构词解析： 前缀re-:表“再次：重新”：后缀-sion:构成名词，表“动作或过程”。 例句：You should revise your notes before the exam 真题链接（北师大版高中必修1同步练习）：After several (revise),the article was finally published. (答案：revisions)) 2 高中英语北师大版 【必修1】 词汇变形及词缀精讲 7.actually/'aekt fuali/adv.实际上，事实上 形容词形式：actual 名词形式：actuality 构词解析： 前缀act-:表“行动；做”；后缀-ual:构成形容词；-ly:构成副词；-ity:构成名词。 例句：Actually,I have never been to the Great Wall before. 真题链接（北师大版高中必修1同步练习）：The_(actually)cost of the project was much higher than expected.(答案：actual) 8.distance/'distans/h.距离，间距 动词形式：distance 形容词形式：distant 构词解析： 前缀dis-:表“分离；离开”；后缀-ant:构成形容词；-ce:构成名词。 固定搭配：keep distance from（与…保持距离) 例句：The distance between the two cities is about500 kilometers. 真题链接（北师大版高中必修1教材例句）：She felt a distant connection with her hometown after living abroad for years. 9.update/Ap'dett.更新：n.更新 名词形式：update 构词解析： 前缀up-:表“向上；提高”；词根date:表“日期；时间”，合意为“使时间向前”，即“更新”。 例句：Remember to update your phone system regularly.. 真题链接（北师大版高中必修1同步练习）：The latest _(update)of the app includes new features. (答案：update) l0.native/'netv/h.本地人；adj.本地的 名词形式：nativity 副词形式：natively 构词解析： 前缀nat-:表“出生；天生”；后缀-ive:构成形容词/名词：y:构成副词。 例句：She is a native of Beijing and knows the city very well. 真题链接（北师大版高中必修1同步练习)：This plant is (native)to South America.(答案： native) l1.definitely/'definitli/adv.确切地，肯定地 形容词形式：definite 名词形式：definition 构词解析： 前缀de-:表“完全”；词根fin-:表“结束；界限”；后缀-ite:构成形容词；-ly:构成副词：-ition: 构成名词。 高中英语北师大版 【必修1】 词汇变形及词缀精讲 例句：I will definitely come to your birthday party. 真题链接（北师大版高中必修1同步练习）：There is no」 (definitely)answer to this question. 案：definite) 12.nedia/'mi:die/m.新闻媒体，大众传播媒介（总称） 单数形式：nedium 构词解析： 后缀-a:构成复数形式（原词medium为单数，media为复数）。 同类词：datum(数据，单数)→data(复数) 例句：Social media plays an important role in modern communication. 真题链接（北师大版高中必修1教材例句）：The medium of television has a strong influence on public opinion. l3.addict/'edkt/n.对…着迷的人 动词形式：addict 形容词形式：addicted 构词解析： 前缀a-:表“趋向”；词根dict-:表“说：引导”，合意为“被引导趋向某物”，即“沉迷”。 固定搭配：be addicted to(沉迷于…) 例句：He is a video game addict and spends hours playing every day. 真题链接（北师大版高中必修1同步练习)：Many teenagers are (addict)to social media. 案：addicted) 14.range /remd3yn.一系列；范围：v.(在一定范围内)变化 形容词形式：ranged 构词解析： 前缀ran-(=rank,等级)：后缀-e:构成动词/名词。 固定搭配：ange from.to.(从…到…变化) 例句：The prices of the products range from 100to500yuan. 真题链接（北师大版高中必修I同步练习）：The hotel offers a wide__(range)of services for guests. (答案：range） 综合训练 一、 根据句意及汉语提示完成单词 1.The local community center needs more (志愿者)to help organize events. 2.We use (technology to store and share information easily now. 3.Online shopping brings great()to people's daily life. 4 高中英语北师大版 【必修1】 词汇变形及词缀精讲 4.The company is trying to improve the (质量)of its products to win more customers.. 5.There is a wide (种类)of books in the school library. 二、用所给单词的适当形式填空 1.Many students (voluntary)to clean up the park during the summer holiday. 2.The (actual)cost of the project was higher than we expected. 3.After several (revise),the report was finally sent to the manager. 4.She is (addict)to online shopping and spends too much money on it. 5.The prices of the fruits (various)from 5 yuan to 20 yuan per kilogram 三、完成句子（每空一词） 1.Itis (方便的)to communicate with others through mobile phones. 2.The hotel offers (各种各样的)activities for guests to enjoy. 3.You should (复习)your notes before the final exam. 4.Social (has a great influence on young people's lives. 四、语篇填空 Nowadays,people's lives are closely connected with technology.We can pay for things (con- venient)using mobile phones,and(digital)books have become more popular than paper ones. Many students use a(various)of online tools to study,such as apps for (revise)lessons and watching educational videos.However,some teenagers are (addict)to social media,which affects their study and health.It is important to use technology in a proper way and pay attention to the (quality)of our daily life. 参考答案 I.根据句意及汉语提示完成单词 6.volunteer 7.digital 8.convenience 9.quality 10.variety Ⅱ用所给单词的适当形式填空 6.volunteered 7.actual 8.revisions 9.addicted 10.vary 5 高中英语北师大版 【必修1】 词汇变形及词缀精讲 II.完成句子 1.convenient 2.various 3.revise 4.media V.语篇填空 conveniently,digital;variety,revising;addicted;quality 6