Unit 7 Who we are-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 Unit7词汇变形及词缀精讲 Unit 7 Unit 7 Who we are 词汇变形及词缀精讲 全部单元单词 identity/ar'dentati/n.身份：本describe/dr'skrarb/v.描述；形色；以…为特色 身：特征 容 unique /ju'nik/ad.独一无二 probably/prpbabli/adv.很可self-centered/,self'sentad/adj.的：独特的 能：大概 自私的：以自我为中心的 accept /ak'sept/v.接受；承认： caring/'kear四/adj.体贴人的；competitive/kam'petatrv/adj.竞承担 关心他人的 争的：有竞争力的 difference/'difrens/n.差别：差 creative /kri'etv/ad.创造（性）willing'wl/adj.愿意的；乐异；不同 的：有创造力的 意的 creativity/kuri:er'trvati/n.创造 behave /bI'herv/v.表现：举止：specific/sp3'sfk/adj.明确的；力；创造性 行为 具体的 actually/'aektfuali/adv.实际上； birth /b3:θ/n.出生；诞生；分娩please /pli:z/v.使满意；使愉快：事实上 shape小ep/n.~.形状：外形：使请 成为…形状 feature/fi:ter)/n./w.特征：特 词汇变形及词缀精讲 1.creative /kri'ertv/ad.创造（性）的：有创造力的 词汇变形 动词形式：create(创造：创作) 名词形式：creativity(创造力：创造性) 构词解析 后缀iv:加在动词后构成形容词，表“有…性质的；与…有关的”。 同类词：active(积极的)、attractive(有吸引力的) 例句：The creative boy made a model plane with recycled materials. 真题链接（沪外版7下同步练习）：She is good at painting because she has a(create)mind.(答 案：creative) 2.describe/d'skrarb/v.描述；形容 词汇变形 名词形式：description(描述；描写) 7年级下册沪外版 Unit7词汇变形及词缀精讲 形容词形式：descriptive(描述性的) 构词解析 前缀de-:表“完全”；词根scrib/script意为“写”；后缀-e构成动词，-tion构成名词。 例句：Can you describe your new friend to us'? 真题链接（沪外版7下教材例句）：Please write a description of your favorite animal. 3.accept/k'sept/v.接受；承认；承担 词汇变形 反义词：refuse(拒绝)/reject(拒绝；排斥) 名词形式：acceptance(接受；认可) 构词解析 前缀ac-:表“加强”；词根cept意为“拿；取”，合意为“拿过来→接受”。 同类词：receive(收到)except(除…之外) 例句：She decided to accept the invitation to the party 真题链接（沪外版7下同步练习)：He(refuse)to accept the gift because it was too expensive.. (答案：refused) 4.difference/'difrans/n.差别；差异：不同 词汇变形 形容词形式：different(不同的：有差异的) 副词形式：differently(不同地) 构词解析 词根differ（不同；有区别)+-ence构成名词；形容词加后缀-ent,副词加-y。 固定搭配：make a difference(有影响：起作用) 例句：There are many differences between the two cultures. 真题链接（沪外版7下教材例句）：My brother and I have different hobbies.. 5.competitive/kom'petatrv/adj.竞争的；有竞争力的 词汇变形 动词形式：compete（竞争：比赛) 名词形式：competition(竞争；比赛)/competitor(竞争者；选手) 构词解析 前缀com-:表“共同”；词根pet意为“追求；寻求”；后缀-itive构成形容词，表“有…倾向的”。 例句：Our school has a competitive basketball team. 真题链接（沪外版7下同步练习）：They will (competition)with students from other schools in the speech contest.(答案：compete) 6.behave /bI'heIv/v.表现：举止：行为 词汇变形 名词形式：behavior/behaviour(行为：举止) 构词解析 前缀be-:表“使…”；词根have意为“拥有；保持”，合意为“使举止得体→表现”。 7年级下册沪外版 Unit7词汇变形及词缀精讲 例句：The children behaved well in the museum. 真题链接（沪外版7下同步练习）：G0od (behave)is important for students in class.(答案： behavior/behaviour) 7.specific/sp3'sfik/adj.明确的；具体的 词汇变形 副词形式：specifically(明确地：具体地) 名词形式：specificity(特异性；具体性) 构词解析 前缀spci-:表“种类；种类”；后缀-fc意为“使…的”，合意为“明确到某一种类的→具体的”。 例句：Please give me specific examples to support your idea 真题链接（沪外版7下同步练习）：Can you explain your plan more (specific))?(答案：specifically) 8.unique /ju'nik/adj.独一无二的：独特的 词汇变形 副词形式：uniquely(独特地：唯一地) 名词形式：uniqueness(独特性：唯一性) 构词解析 前缀uni-:表“单一；一个”：后缀-que构成形容词，表“具有…性质的”。 例句：Each person has a unique fingerprint. 真题链接（沪外版7下阅读材料）：The panda is a (uniquely)animal in China.(答案：unique) 9.actually/'ekt fuali/av.实际上；事实上 词汇变形 形容词形式：actual(真实的：实际的) 名词形式：actuality(现实；实际情况) 构词解析 词根act(行动；做)+-ual构成形容词(“与行动一致的→实际的”)，+-y构成副词。 同类词：really(真正地)、uly(真实地) 例句：He looks young,but actually he is over40 真题链接（沪外版7下同步练习）：The__(actual)cost of the trip is higher than we expected.(答 案：actual) 10.willing/'wl四/adj.愿意的；乐意的 词汇变形 动词形式：will(愿意：将要) 名词形式：willingness(意愿：乐意) 反义词：unwilling(不愿意的) 构词解析 词根wil(意志；意愿)+-ig构成形容词，表“有…倾向的”。 固定搭配：be willing to do sth.(愿意做某事) 例句：She is always willing to help others when they are in trouble, 3 7年级下册沪外版 Unit7词汇变形及词缀精讲 真题链接（沪外版7下教材例句）：Are you willing to join our English club? 1l.self-centered/,self'sentad/adj.自私的；以自我为中心的 词汇变形 反义词：selfless(无私的)/caring(体贴人的) 构词解析 前缀self-:表“自身：自我”；center(中心)+-ed构成形容词，合意为“以自我为中心的”。 同类词：self-confident(自信的)、selfish(自私的，同义替换) 例句：A self-centered person only thinks about himself. 真题链接（沪外版7下完形填空）：Unlike his (selfish)brother,he is always caring about others. (答案：self-centered/selfish) l2.caring/'kearm/adj.体贴人的：关心他人的 词汇变形 动词形式：care(关心；照顾) 名词形式：care(照料：小心)/carelessness(粗心) 构词解析 词根care(关心)+-ing构成形容词，表“具有…性质的”。 固定搭配：care about(关心；在意)/take care of(照顾) 例句：My mother is a caring person who often helps neighbors. 真题链接（沪外版7下同步练习）：We should be(care)of the old and the young.（答案：caring) l3.feature/fit()/n.w.特征：特色：以…为特色 词汇变形 形容词形式：featured(特写的；有…特征的) 构词解析 词根feat（做；制作)+-re构成名词(“做出的东西→特征”)，可转化为动词“以…为特色”。 例句：This hotel features a large swimming pool and a gym. 真题链接（沪外版7下阅读理解）：One of the main (feature)of the city is its beautiful parks. (答案：features) 14.birth /b3:0/n.出生：诞生：分娩 词汇变形 动词形式：bear(生育；出生，过去式bore,过去分词bome) 形容词形式：bom（天生的：出生的) 构词解析 词根bith意为“出生”，bear为其动词形式，bom为形容词(“被出生的→天生的”)。 固定搭配：date of birth(出生日期)/be born(出生于) 例句：Her birthplace is a small town in the south. 真题链接（沪外版7下信息匹配题）：Please fill in your name,age and (born)date on the form (答案：bith) 4 7年级下册沪外版 Unit7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.The artist's (创造力)makes her works very popular. 7.Can you give a clear (描述)of the suspect? 8.Her (接受)of the job offer made everyone happy. 9.There's a big (差别between the two products. 10.The (竞争)between the two teams was very fierce.. 二、用所给单词的适当形式填空 6.He is a (create)designer who always comes up with new ideas. 7.Please write a (describe)of your hometown. 8.She showed her (willing)to help by offering her time. 9.The (different)between the two paintings is obvious 10.They need to (competition)harder to win the game. 三、完成句子（每空一词） 5.她有创造力的想法给老师留下了深刻印象。 Her ideas left a deep impression on the teacher 6.请描述一下你理想的房子是什么样子。 Please what your ideal house is like 7.他愿意接受这个挑战。 He is accept the challenge. 8.这两个双胞胎在外貌上没有差别。 There is no between the two twins in appearance. 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。 5 7年级下册沪外版 Unit7词汇变形及词缀精讲 Anna is a (create)girl.She likes to (describe)her dreams through painting.Her parents are always (will)to support her hobbies.They believe that art can make a (different) in her life.Anna also enjoys_ (compete)in art contests.Last month,she won a prize for her (describe)of nature.Her teacher said her work showed great (creative).Anna feels (pride)of her achievements and plans to keep painting. 参考答案 I.根据句意及汉语提示完成单词 6.creativity 7.description 8.acceptance 9.difference 10.competition Ⅱ.用所给单词的适当形式填空 6.creative 7.description 8.willingness 9.difference 10.compete L.完成句子 5.creative 6.describe 7.willing to 8.difference V.语篇填空 1.creative 2.describe 3.willing 4.difference 5.competing 6.description 7. creativity 8.proud 6