Unit 2 The things around us一-2025-2026学年高中英语词汇变形及词缀精讲必修第三册（沪教版）

高中必修第三册沪教版 【词汇精讲】 Unit 2 The things around us 词汇精讲 Unit 2 The things around us 词汇变形及词缀精讲 全部单元单词 flood /flad/v.(使)充满：充斥 expert/'eksp3t/n.专家；能手 wine /wam/n.葡萄酒；酒 cotton/'kDtn/n.棉：棉花；棉布hesitate/hezitert/v.（对某事)jean/d3in/n.牛仔裤；粗斜纹 guy /gar/n.男人：小伙子：家伙犹豫；迟疑不决 棉布 insect/'Insekt/n.昆虫 ptp/n.小费；小窍门 economy/1'kpnami/n.经济：经 drop/drDp/n.滴；水珠 profit'prDfit/v.获益：得到好济体制 discount/'diskaont/n.折扣 处n.利润：收益 involve /m'volv.包含：需要： nail /nerl/n.指甲；钉子v.钉住living/'lrvm/n.生计；谋生；收使成为必要 export/k'sp3t/v.出口：输出 入 词汇变形及词缀精讲 1.f1 ood /flAd/v.(使)充满：充斥 形容词形式：flooded(被淹没的：充满的) 构词解析：后缀-ed:加在动词后，构成形容词，表”被.的；处于…状态的”。 同类词：interested(感兴趣的)、excited(兴奋的) 例句：The streets were flooded with people during the festival.. 真题链接（沪教版高中必修第三册同步练习）：After the heavy rain,the basement was with water.. (答案：flooded) 2.cotton/kDtn/n.棉：棉花；棉布 形容词形式：cotton(棉质的，仅作定语) 构词解析：无前后缀，直接由名词转化为形容词，表”由棉制成的”。 同类词：silk(丝绸的)、wool(羊毛的) 例句：She bought a cotton dress for the summer. 真题链接（沪教版高中必修第三册教材例句）：Cotton is one of the most important crops in many countries. 3.export/k'spot/V.出口；输出 名词形式：export(/'ksp:t山，出口商品；出口) 构词解析：前缀ex-:表”向外、出去”；port词根意为”携带”（如import进口）。 高中必修第三册沪教版 【词汇精讲】 Unit 2 The things around us 例句：This company exports coffee to many European countries. 真题链接（沪教版高中必修第三册同步练习）：The country'smain are oil and agricultural products. (答案：exports) 4.expert/'eksp3t/n.专家：能手 形容词形式：expert(熟练的；专业的) 构词解析：前缀ex-:表”出、超越”；pert词根意为”尝试”，合意为”尝试后脱颖而出的人”。 例句：He is an expert in computer science.. 真题链接（沪教版高中必修第三册教材例句）：We need an expert to help solve this technical problem, 5.hesitate/'hezitert//v.(对某事)犹豫：迟疑不决 名词形式：hesitation 构词解析：后缀-tio:加在动词后，构成抽象名词，表”动作或状态”。 例句：She hesitated for a moment before answering the question. 真题链接（沪教版高中必修第三册同步练习）：Don't have any__to ask for help when you need it. (答案：hesitation) 6.profit/'prDfIt/v.获益：得到好处n.利润：收益 形容词形式：profitable(有利可图的；有益的) 构词解析：后缀-ble:加在动词后，构成形容词，表”能..的：值得.的”。 例句：The new business is expected to profit from the growing market 真题链接（沪教版高中必修第三册同步练习）：It's a investment to buy this land now.(答案： profitable) 7.living/'lv/n.生计：谋生：收入 动词形式：live(生活：居住) 形容词形式：living(活的：现存的) 构词解析：后缀-g:加在动词后，构成名词表”行为或状态”，或构成形容词表”正在.的”。 例句：Farming is his main living. 真题链接（沪教版高中必修第三册教材例句）：Many people make a living by working in the tourism industry. 8.economy1 kpnami/n.经济；经济体制 形容词形式：economic(经济的；经济学的)；economical(节约的：划算的) 构词解析：后缀-ic:构成形容词，表”与…相关的’；-ical为-ic的扩展形式。 例句：The country's economy is growing rapidly. 真题链接（沪教版高中必修第三册同步练习）：We need to find an__way to solve this problem (答案：economical) 9.involve /m'vwlv/v.包含：需要：使成为必要 名词形式：involvement（参与；包含) 形容词形式：involved(复杂的：有关联的) 2 高中必修第三册沪教版 【词汇精讲】Unit2 The things around us 构词解析：前缀in-:表”进入、在内”：volve词根意为”卷，合意为”卷入其中”。后缀-ment构成 名词，-ed构成形容词。 例句：This project will involve a lot of time and effort.. 真题链接（沪教版高中必修第三册同步练习）：Hs in the accident was still under investigation. (答案：involvement) 10.nail /nerl/n.指甲：钉子v.钉住 动词短语：nail down(确定；钉牢) 构词解析：无前后缀，名词与动词同形，通过语境区分词性。 例句：He nailed the notice to the door. 真题链接（沪教版高中必修第三册同步练习）：Please help me this shelf to the wall.(答案： nail) 11.discount/'diskaont/n.折扣 动词形式：discount(/ds'kaont/,打折：忽视) 构词解析：前缀dis-:表”否定、去除”；cout意为”计算”，合意为”从总价中减去一部分”。 例句：The store offers a20%discount on all books. 真题链接（沪教版高中必修第三册同步练习）：They decidedto__the price to attract more customers. (答案：discount) 12.pp/n.小费：小窍门 动词形式：tp(给小费：倾斜) 构词解析：无前后缀，多义词，通过语境区分含义。 例句：Remember to leave a tip for the waiter. 真题链接（沪教版高中必修第三册教材例句）：Here's a tip:always read the instructions before using the machine. 综合训练 一、 根据句意及汉语提示完成单词 1.The company's main (出口商品)include electronic products and textiles. 2.She earns her (生计)by working as a freelance writer. 3.We need an(专家)to analyze the economic data 4.The new policy has had a positive effect on the national (经济). 5.His(to accept the job offer cost him a good opportunity. 6.The store offers a 15%()during the holiday season. 3 高中必修第三册沪教版 【词汇精讲】 Unit 2 The things around us 二、用所给单词的适当形式填空 1.After the storm,many streets were (flood)with water. 2.This investment is expected to be highly (profit)in the long run. 3.Don't hesitate to ask for help when you need it-no (hesitate)is needed. 4.She is an (expert)swimmer who has won several competitions. 5.The country (export)large quantities of coffee to Asia last year. 6.Cotton is one of the most important (crop)in this region 7.The (involve)of local communities is crucial for the project's success. 三、完成句子（每空一词） 1.这家工厂靠出口农产品获利。 The factory agricultural products 2.他在计算机科学领域是个专家。 Heis computer science. 3.大雨过后，地下室被水淹没了。 After the heavy rain,the basement water. 4.她毫不犹豫地接受了这份工作。 She accepted the job 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。 Agriculture plays a key role in many countries'economies.For example,cotton is a major crop,and (cotton)products are widely exported.Farmers often rely on this for their (live).To improve yields,many seek advice from(expert)in agricultural science. Exporting these crops can be(profit),but it involves careful planning.Sometimes,there may be_ (hesitate)to trynew markets,but taking calculatedrisks can lead to success.For instance,a small farm recently started exporting organic vegetables.With the right strategy,their (export) have increased by 30%in just one year. However,challenges exist.Last month,heavy rains_ (flood)some fields,causing losses.De- spite this,farmers remain hopeful,knowing that with _(economy)support and technological innovation,the future looks bright. 4 高中必修第三册沪教版 【词汇精讲】 Unit 2 The things around us 参考答案 I根据句意及汉语提示完成单词 1.exports 2.living 3.expert 4.economy 5.hesitation 6.discount Ⅱ.用所给单词的适当形式填空 1.flooded 2.profitable 3.hesitation 4.expert 5.exported 6.crops 7.involvement I.完成句子 1.profits from exporting 2.an expert in 3.was flooded with 4.without any hesitation V.语篇填空 1.cotton 2.living 3.experts 4.profitable 5.hesitation 6.exports 7.flooded 8 economic 5