Unit 2 Exploring English 三-2025-2026学年高中英语词汇变形及词缀精讲必修第一册（外研版）

高中必修第一册外研版 【词汇精讲】 Unit 2 Exploring English 词汇精讲 【Unit2】Exploring English 词汇变形及词缀精讲 全部单元单词 frog/fDg/n.蛙 actually/'ektfuali/adv.事实上，eror/'er(r)/n.错误，谬误 throat/rat/n.喉咙，咽喉 实际上 intend /in'tend/v.计划，打算 have a frog in one's throat（尤因downstairs/,daom'stez/adv.在informal/m'fbml/adj.(书写或 喉咙痛)说话困难 楼下 言谈)非正式的 downtown/,daon'taon/adj.在wicked/'wikid/adj.缺德的，邪recognise/'rekagnaiz/v.认识， 城镇中心区的，在闹市区的 恶的：很棒的，极好的 辨认出 boot /bu:t/n.靴子 odd/pd/adj.奇特的，古怪的 base /beis/v.以…为基础 entrance/'entrans/n.大门（口），negative/'negstrv//adj.消极的，aware/月'wea/adj.意识到的， 入口（处） 负面的 明白的 section/'sek n/n.区，区域 positive/PDZ3tIv/adj.好的，积be aware of意识到，察觉到 exit/ekst/n.出口 极的 词汇变形及词缀精讲 1.negative/negativ/adj.消极的，负面的 词汇变形 反义词：positive(积极的，正面的) 名词形式：negativity(消极性) 构词解析 前缀neg-:表“否定、反面”；后缀-ive:构成形容词，表“具有…性质的”。 同类词：active(积极的)、passive(被动的) 例句：Try to avoid negative thoughts when facing difficulties. 真题链接（外研版高中必修第一册同步练习）：Her(negative)attitude towards the project made it hard to move forward.(答案：negative) 2.positive/'pDZatIV/adj.好的，积极的 词汇变形 反义词：negative(消极的，负面的) 名词形式：positivity(积极性) 副词形式：positively(积极地：肯定地) 高中必修第一册外研版 【词汇精讲】 Unit 2 Exploring English 构词解析 前缀pos-:表“放置、位置”；后缀-ive:构成形容词；y构成副词。 例句：She always has a positive attitude towards life 真题链接（外研版高中必修第一册教材例句）：Weneed to take positive action to protect the environment.. 3.informal/n'fml/adj.(书写或言谈)非正式的 词汇变形 反义词：formal(正式的) 构词解析 前缀in-:表“否定”；词根fom(形式)；后缀-al:构成形容词。 同类词：informal(非正式的)、formal(正式的) 例句：We usually use informal language when chatting with friends, 真题链接（外研版高中必修第一册同步练习）：It's important to use (formal)language in business meetings.(答案：formal) 4.recognise/'rekagnaIz/v.认识，辨认出 词汇变形 名词形式：recognition(认出；认可) 形容词形式：recognisable(可辨认的) 构词解析 前缀re-:表“再次”；词根cogn(知道)；后缀-ise:构成动词（英式拼写，美式为-ize)。 例句：I didn’t recognise her at first because she had changed a lot. 真题链接（外研版高中必修第一册同步练习）：The company received (recognise)for its excellent service.(答案：recognition) 5.base /beis/v.以…为基础 词汇变形 名词形式：base(基础：基地) 形容词形式：basic（基本的)；based(以…为基础的) 构词解析 词根base(基础)；后缀-ic:构成形容词：-ed:构成形容词（表“以…为基础的”)。 固定搭配：be based on(以…为基础) 例句：This novel is based on a true story. 真题链接（外研版高中必修第一册教材例句）：The study was based on data from over 1,O00 students. 6.aware /e'we(r)/adj.意识到的，明白的 词汇变形 名词形式：awareness(意识：认识) 构词解析 前缀a-:表“处于…状态”；词根ware(注意、察觉)：后缀-ness:构成名词（表性质、状态）。 固定搭配：be aware of(意识到，察觉到) 例句：We should be aware of the importance of saving water. 2 高中必修第一册外研版 【词汇精讲】 Unit 2 Exploring English 真题链接（外研版高中必修第一册同步练习）：Environmental (aware)has increased among young people..(答案：awareness) 7.entrance/'entrans/n.大门（口），入口（处） 词汇变形 动词形式：enter(进入) 构词解析 词根enter(进入)；后缀-ance:构成名词（表动作或状态）。 例句：The entrance to the park is on the left, 真题链接（外研版高中必修第一册同步练习）：You need to _(entrance)the building through the main door.(答案：enter) 8.exit/ekst/n.出▣ 词汇变形 动词形式：exit(离开；退出) 构词解析 前缀ex-:表“出、外”；词根it(走)。 例句：Please leave through the emergency exit in case of fire.. 真题链接（外研版高中必修第一册教材例句）：The sign clearly shows the location of the exit. 9.eror/'err)/n.错误，谬误 词汇变形 动词形式：er(犯错，较少用) 形容词形式：erroneous(错误的) 构词解析 词根er(犯错)：后缀-or:构成名词（表“行为或状态”）。 例句：He found an error in the report and corrected it immediately 真题链接（外研版高中必修第一册同步练习）：It's easy to(eTor)when you're in a hurry. (答案：eIr) l0.intend/m'tend/v.计划，打算 词汇变形 名词形式：intention(意图；打算) 形容词形式：intentional(故意的) 构词解析 前缀in-:表“向内”；词根tend(伸展、趋向)：后缀-tion:构成名词；-al:构成形容词。 固定搭配：intend to do sth.(打算做某事) 例句：I intend to study abroad next year. 真题链接（外研版高中必修第一册同步练习）：She had no (intend)to hurt your feelings. 案：intention) ll.actually/aektfuali/av.事实上，实际上 3 高中必修第一册外研版 【词汇精讲】 Unit 2 Exploring English 词汇变形 形容词形式：actual(实际的：真实的) 名词形式：actuality(现实) 构词解析 词根act(行动)：后缀-ual:构成形容词；ly:构成副词。 例句：Actually,.I've never been to Beijing before. 真题链接（外研版高中必修第一册教材例句）：The actual cost of the project was higher than expected.. 12.wicked/'wikid/adj..缺德的，邪恶的：很棒的，极好的 词汇变形 名词形式：wickedness(邪恶：恶劣) 构词解析 后缀-d:构成形容词（此处表“具有…性质的”）。 例句：It was wicked of him to lie to his parents. 真题链接(（外研版高中必修第一册同步练习)：The movie was absolutely (wicked)！I loved every minute of it..(答案：wicked) 综合训练 一、 根据句意及汉语提示完成单词 6.The sign at the (入口)of the museum says”No Photos'' 7.You should always check for()before submitting your homework. 8.Her positive_ (态度)helped her overcome many difficulties. 9.We need to raise public (about environmental protection. 10.The (is on the second floor in case of emergency. 二、用所给单词的适当形式填空 1.She has a (recognise)smile that I can never forget. 2.The novel is (base)on the author's own childhood experiences 3.He spoke (actual)about his feelings during the interview 4.The team’s (intend)to win the championship was clear from the start. 5.It was. (wicked)of him to spread lies about his classmates. 6.The company's success is built on a(base)of hard work and innovation. 4 高中必修第一册外研版 【词汇精讲】 Unit 2 Exploring English 7.She showed great (positive)when facing the challenge. 三、完成句子（每空一词） 1.这部电影是基于一个真实的故事改编的。 This movie a true story. 2.我们应该意识到节约用水的重要性。 We should the importance of saving water 3.他打算明年开始学习一门新语言。 He a new language next year. 4.事实上，我以前从未去过那个城市。 I have never been to that city before. 5.她的消极态度使团队很难取得进展。 Her made it hard for the team to make progress. 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。 When facing challenges,it's important to stay(positive).Many people fail because of their (negative),which stops them from trying again.A good way to build confidence is to set small goals and celebrate each success.For example,if you (intend)to improve your English, you can start by reading aloud every day. Remember to be(aware)of your progress,no matter how small it is. (actual),even small steps can lead to great achievements.Don'tbe afraid of making(error);instead,learn from them.With a positive mindset,you will find it easier to overcome difficulties and reach your goals. 参考答案 I.根据句意及汉语提示完成单词 6.entrance 7.errors 8.attitude 9.awareness 10.exit Ⅱ用所给单词的适当形式填空 1.recognisable 2.based 3.actually 4.intention 5.wicked 6.basis 7.positivity 5 高中必修第一册外研版 【词汇精讲】 Unit 2 Exploring English L.完成句子 1.is based on 2.be aware of 3.intends to learn 4.Actually speaking 5.negative attitude V.语篇填空 1.positive 2.negativity 3.intend 4.aware 5.Actually 6.errors 6