Unit 7 What's in the Ads-2025-2026学年七年级下册英语词汇变形及词缀精讲（教科版）

7年级下册教科版 【词汇精讲】 Unit7单元专版 单元专版 【Unit7】What's in the Ads? 词汇变形及词缀精讲 全部单元单词 date/dent/n.日期：约会v.注明处；处处；无论何处 事务 日期：约会 purpose/'p3p3s/n.目的；意图；on business/on'bzn3s/短语出 sese/n.销售：出售：促销 用途 差 price /prais/n.价格；价钱v.定company/'kAmpani/n.公司；陪create/kri'et/v.创造；创作：创 价：标价 伴：同伴 建 impossible/m'ppsabl/ad.不可sell/sel/v.(sold,sold)卖；销售；mobile phone/maubail faun/短 能的：办不到的 售卖 语移动电话：手机 everywhere/'evriwea(r)/adv.到business/'biznas/n.商业；生意； 词汇变形及词缀精讲 1.impossible/im'ppsabl//adj.不可能的；办不到的 词汇变形 反义词：possible(可能的) 名词形式：impossibility(不可能的事) 构词解析 前缀im-:加在形容词前表否定，“不…”。 同类词：impolite（不礼貌的)、impatient（不耐烦的) 例句：It is impossible to finish all the work in one day. 真题链接（教科版7下同步练习）：It's一(possible)for me to carry this heavy box alone.(答案： impossible) 2.everywhere/'evriwea(r)/adv.到处；处处 词汇变形 拆分构成：every(每个)+where(哪里) 构词解析 合成副词：由“evey+疑问词”构成，表示“每一…”。 同类词：everyone(每个人)、everything(一切事物) 例句：You can see flowers everywhere in the park in spring, 真题链接（教科版7下教材例句）：I looked everywhere for my mobile phone,.but I couldn't find it.. 1 7年级下册教科版 【词汇精讲】 Unit7单元专版 3.company/'kAmpani/n.公司；陪伴 词汇变形 动词形式：accompany(陪伴，较高级词汇) 构词解析 前缀com-:表“共同”；词根pan-意为“面包”，原指“共食面包的人”，后引申为“陪伴”。 例句：My father works in a big company in the city center.. 真题链接（教科版7下同步练习）：She stayed at home to keep her sick mother一(company).(答案： company) 4.business/biznas/n.商业；生意 词汇变形 形容词形式：busy(忙碌的) 短语变形：on business(出差) 构词解析 词根busi-源自busy(忙碌的)，ness为名词后缀，表“状态”。 例句：His uncle is in the business of selling mobile phones.. 真题链接（教科版7下教材例句）：My father went to Shanghai on business last week. 5.create/kri'eit/v.创造：创建 词汇变形 名词形式：creation(创造物) 形容词形式：creative(有创造力的) 副词形式：creatively(创造性地) 构词解析 前缀cr-:表“生长、产生”：后缀-te:构成动词，“使…”。 例句：Thomas Edison created many useful inventions in his life.. 真题链接（教科版7下同步练习）：She is a(create)girl and she often draws interesting pictures.(答 案：creative) 6.sell/sel/v.卖：销售 词汇变形 过去式/过去分词：sold 名词形式：sale(销售；促销) 构词解析 不规则动词变形，sale为同源名词，常见搭配on sale(打折出售)。 例句：This shop sells all kinds of school things. 真题链接（教科版7下教材例句）：These books are sold at a low price in the sale. 7.price /praIs/n.价格；V.定价 词汇变形 动词用法：price sth.at.(给…定价为…) 构词解析 7年级下册教科版 【词汇精讲】 Unit7单元专版 名词动词同形，由“价值”引申为“定价”。 例句：The price of the mobile phone is too high for me, 真题链接（教科版7下同步练习）：They一(price)the new shoes at200 yuan each.(答案：priced) 8.date/det/n.日期：v.注明日期 词汇变形 动词短语：date back to(追溯到…) 构词解析 名词动词同形，“日期”引申为“标注日期”。 例句：Please write down your name and the date on the paper. 真题链接（教科版7下教材例句）：This old building dates back to the 19 th century. 9.mobile phone/'maubail faun/短语移动电话 词汇变形 拆分构成：mobile(可移动的)+phone(电话) 构词解析 形容词mobile(移动的)源自词根mob-（移动)，phone为“声音”，合成“可移动的电话”。 例句：Now almost everyone has a mobile phone in China. 真题链接（教科版7下同步练习）：We can use a一(mobile)phone to call people anywhere.(答案： mobile) 10.purpose/'p3p3sn.目的：意图 词汇变形 形容词形式：purposeful(有目的的) 动词短语：on purpose(故意地) 构词解析 前缀pur-:表“向前”；词根pos:意为“放置”，“向前放置的目标”即“目的”。 例句：What is the main purpose of your visit to our school? 真题链接（教科版7下同步练习）：He didn't break the window一(purpose).(答案：on purpose) 11.sale/sel/n.销售：促销 词汇变形 动词形式：sell(卖) 短语变形：for sale(待售)、on sale(打折) 构词解析 同源动词sll的名词形式，-sale表“行为或结果”。 例句：The shop has a big sale on National Day every year. 真题链接（教科版7下教材例句）：Many clothes are on sale in this store today.. l2.silent/'sarlant/(拓展词汇，补充自同类构词) 词汇变形 名词形式：silence(沉默) 3 7年级下册教科版 【词汇精讲】 Unit7单元专版 副词形式：silently(安静地) 构词解析 后缀-ent构成形容词，-ence构成名词，-y构成副词。 例句：The students sat silently and listened to the teacher carefully. 真题链接（教科版7下同步练习）：Please keep一(silent)in the library,(答案：silent) 综合训练 一、 根据句意及汉语提示完成单词 l.It's almost_(不可能的)to finish the project in three days.. 2.The little girl looked_()for her lost toy bear. 3.My uncle works in a big_(公司)in Beijing. 4.What's the main_(目的)of your trip to Paris? 5.The(价格)of this new laptop is8,000yuan 6.We need to check the()before making the plan. 二、用所给单词的适当形式填空 1.Edison was a very(create)inventor who made many great things. 2.This shop_(sell)fresh vegetables every morning. 3.My father went to Guangzhou_(business)last Monday. 4.The students listened(silent)to the teacher's story. 5.She stayed at home to keep her grandmother-(company). 6.They_(price)the new books at 50 yuan each. 7.The old temple_(date)back to the Ming Dynasty. 三、完成句子（每空一词) 1.这家商店的所有衣服正在打折出售。 All the clothes in this shop are 2.他不是故意打碎那个杯子的。 He didn't break the cup 4 7年级下册教科版 【词汇精讲】 Unit7单元专版 3.我爸爸上周出差去上海了。 My father went to Shanghai last week. 4.现在几乎每个人都有一部手机。 Almost everyone has a now 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。 Tom works in a_(company)that sells mobile phones.Every morning,he checks the_(price)of new products and prepares for the day's-(sell).Last week,he went to Shanghaibusiness to meet some clients.On his way back,he lost his mobile phone and looked(everywhere)for it,but it was(possible)to find.His friend Mary said he might have dropped it-purpose,but Tom knew he didn't.Later,the police called and told him someone found it.Tom felt very happy and thanked the police(creative) 参考答案 I.根据句意及汉语提示完成单词 1.impossible 2.everywhere 3.company 4.purpose 5.price 6.date Ⅱ.用所给单词的适当形式填空 1.creative 2.sells 3.on business 4.silently 5.company 6.priced 7.dates III.完成句子 1.on sale 2.on purpose 3.on business 4.mobile phone V语篇填空 1.company 2.prices 3.sales 4.on 5.everywhere 6.impossible 7.on 8.creatively 5