Unit 1 Learning to be-2025-2026学年七年级下册英语词汇变形及词缀精讲（沪外版）

7年级下册沪外版 【同步精讲】 词汇变形及词缀精讲 同步精讲 【Unit 1】Learning to be 词汇变形及词缀精讲 全部单元单词 personal/p3:sanl/adj.个人的：express/ik'spres//v.n.表达；表愁的 私人的 示：快车 survive/sa'varv/v.生存：存活； goal/gao/n.目标；球门；得分clearly/'kali/adv.清晰地：明幸存 cooperate /kau'Dpareit/.V.合作：显地 responsible /rI'sppnsabl/adj. 协作 regularly/regjalarli/adv.定期责任的；负责的 carefully'keafali/adv.仔细地；地：有规律地 become/bI'km/v.变得；成为 小心地 get along with /get3'ID)wio/branch /brant/n.树枝：分支： balance/'baelans/n./w.平衡；均phrase与…和睦相处；进展分部 衡：使平衡 worried/'wrid/adj.担心的；发 词汇变形及词缀精讲 1.personal/'p3snl/adj.个人的；私人的 词汇变形 名词形式：person（人) 副词形式：personally(亲自地；就个人而言) 构词解析 后缀-l:加在名词后，构成形容词，表”有关…的；具有…性质的”。 同类词：national(国家的)←-nation(国家)、cultural(（文化的)←-culture(文化) 例句：This is my personal diary and I don't want others to read it. 真题链接（沪外版七年级下册同步练习）：We should respect everyone's_(person)space.(答案： personal) 2.careful/'keafl/adj.仔细的：小心的 词汇变形 副词形式：carefully（原词) 名词形式：care(小心：关心) 反义词：careless(粗心的) 构词解析 后缀-fl:加在名词后，构成形容词，表”充满…的”：-y构成副词；-less表”无…的”（反义后 7年级下册沪外版 【同步精讲】 词汇变形及词缀精讲 缀)。 例句：Be careful when you cross the road. 真题链接（沪外版七年级下册教材例句）：Please listen carefully and answer the questions. 3.balance/'baelans/n./~.平衡：均衡：使平衡 词汇变形 形容词形式：balanced(平衡的：均衡的) 构词解析 后缀-d:加在动词后，构成形容词，表”处于…状态的”。 固定搭配：balanced diet(均衡饮食) 例句：You need to balance work and rest to stay healthy. 真题链接（沪外版七年级下册同步练习）：Eating a (balance)diet is good for your body.(答案： balanced) 4.express/k'spres/v.m.表达；表示；快车 词汇变形 名词形式：expression(表达；表情) 形容词形式：expressive(富有表情的；表达力强的) 构词解析 前缀ex-:表”向外、出”；后缀-ion:构成名词，表”动作或结果”；ive:构成形容词，表”有… 性质的”。 例句：I want to express my thanks to my parents. 真题链接（沪外版七年级下册教材例句）：Her facial expressions show that she is happy. 5.clear /klIa(r/adj.清晰的：清楚的 词汇变形 副词形式：clearly(原词) 名词形式：clarity(清晰：清楚) 构词解析 后缀y:加在形容词后构成副词：后缀-ty:构成名词，表”性质、状态。 例句：Please speak clear so that everyone can hear you. 真题链接（沪外版七年级下册同步练习）：Can you see the blackboard(clear)?(答案：clearly) 6.regular/'regjalar/adj.有规律的：定期的 词汇变形 副词形式：regularly(原词) 名词形式：regularity(规律性：规则性) 构词解析 后缀-ar:构成形容词：y:构成副词；-ity:构成名词。 固定搭配：regular exercise(定期锻炼) 例句：He goes to the park for a walk on a regular basis.. 真题链接（沪外版七年级下册教材例句）：We should clean our rooms regularly to keep them tidy. 7年级下册沪外版 【同步精讲】 词汇变形及词缀精讲 7.worried/'wrid/adj.担心的：发愁的 词汇变形 动词形式：woy(担心；发愁) 副词形式：worriedly(担心地) 构词解析 后缀-d:加在动词后，构成形容词，表”感到…的”；y构成副词。 固定搭配：be worried about(担心…) 例句：My mother is worried about my health. 真题链接（沪外版七年级下册同步练习）：Don't (worry)too much.Everything will be fine. 案：woIy) 8.responsible /r'sppnsabl/adj.有责任的；负责的 词汇变形 名词形式：responsibility（责任；职责) 动词形式：respond(回应；回答) 构词解析 前缀re-:表”回、再”；后缀-ible:构成形容词，表”有能力的：应…的”；-ibility构成名词。 固定搭配：be responsible for(对…负责) 例句：As a student,.you should be responsible for your study.. 真题链接（沪外版七年级下册同步练习）：It's your_(responsible))to take care of your little sister. (答案：responsibility) 9.become/bI'km/v.变得：成为 词汇变形 过去式：became 过去分词：become 现在分词：becoming(合适的：合身的，形容词) 构词解析 不规则动词变形：现在分词becoming可作形容词，表”适合的”。 例句：She wants to become a doctor when she grows up 真题链接（沪外版七年级下册教材例句）：He became interested in English last year. 10.branch /bra:ntf/n.树枝：分支；分部 词汇变形 动词形式：branch(分叉：扩展) 构词解析 词性转换：名词可作动词，表”像树枝一样分叉或扩展”。 固定搭配：branch out(拓展业务：扩大范围) 例句：The river branches into two smaller streams. 真题链接（沪外版七年级下册同步练习）：There are many (branch)on the big tree.(答案： branches) 3 7年级下册沪外版 【同步精讲】 词汇变形及词缀精讲 综合训练 一、 根据句意及汉语提示完成单词 6.It's important to keep a (个人的)diary to record your daily life.. 7.We should have a (均衡的)diet to stay healthy 8.She has a good (表达)and can share her ideas clearly. 9.Doing (有规律的)exercise helps improve your physical health. 10.Taking care of your little brother is your (责任) 二、用所给单词的适当形式填空 1.You must be(care)when you cross the busy street. 2.He answered the question(clear)and everyone understood him. 3.My mother always exercises (regular)to keep fit 4.Don't be (worry)about me;I can take care of myself. 5.She wants to (expression)her thanks to her teachers. 6.The (balance)diet includes vegetables,fruits and proteins. 7.He (become)interested in painting when he was young. 8.There are many_ (branch)in this big company. 9.We should respect everyone's_ (person)space. 10.Can you see the words on the blackboard _(clear)? 三、完成句子（每空一词） 1.他亲自告诉我这个好消息。 He told me the good news 2.请仔细听老师讲的话。 Please listen to the teacher 3.保持工作和休息的平衡很重要。 It's important to」 _work and rest. 4 7年级下册沪外版 【同步精讲】 词汇变形及词缀精讲 4.她脸上的表情表明她很开心。 Her facial show that she is happy. 5.我们应该担心环境问题。 We should the environment. 6.吃均衡的饮食对你的健康有好处。 Eating a is good for your health 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。 Reading is a goodhabit for everyone.To read _(care),we need a quiet place and a (clear) mind.Many people have a(person)reading list.They read(regular)to leamn new things.A (balance)reading plan includes different kinds of books.When you read,try to (expression)your ideas in a notebook.Don't be (worry)if you don't understand some parts;just keep reading.Remember,reading can help you (become)a better person. 参考答案 I.根据句意及汉语提示完成单词 6.personal 7.balanced 8.expression 9.regular 10.responsibility Ⅱ.用所给单词的适当形式填空 1.careful 2.clearly 3.regularly 4.worried 5.express 6.balanced 7.became 8.branches 9.personal 10.clearly L.完成句子 1.personally 2.carefully 3.balance 4.expressions 5.be worried about 6.balanced diet V.语篇填空 1.carefully 2.clear 3.personal 4.regularly 5.balanced 6.express 7.worried 8.become J