Unit 4 Epic engineering-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 【Unit4】Epic engineering 词汇变形及词缀精讲 全部单元单词 epic/'epik/adjn.史诗般的：壮管 passenger/'paesmnd33(r)/n.乘客； 丽的；史诗 overcome/,3v3'km/V.克服；旅客 engineering/,end'nI3ru/n.工战胜 desert /'dezat/n.;/dI'z3:t/v. 程：工程学 remain /rI'mem/v.保持：仍然漠；荒漠；抛弃；遗弃 passage/paesid3/n.一段；一节；是；剩余 documentary dokju'mentri/ 通道 though/a/conj./adv.虽然：尽n./adj.纪录片；纪实的 complete /kam'pli:t/adj~.完整管：不过 report /rI'pt/nW.报告：报道； 的：完全的：完成 familiar /fo'mlia(r)/adj.熟悉汇报 although /:'ǒau/conj.虽然：尽的：常见的 词汇变形及词缀精讲 1.complete /kam'pli:t/adj.完整的；完全的；v.完成 词汇变形 副词形式：completely 名词形式：completion 构词解析 前缀com-:表“共同、一起”：后缀-lete:表“充满”，整体含义“使完全充满”。 同类词：completely(完全地)、completion(完成，名词) 例句：She needs to complete her homework before dinner. 真题链接（沪外版7下同步练习）：After reading the story,please write a一(complete)sentence to summarize it 2.engineering/,end3I'nIar/n.工程；工程学 词汇变形 动词形式：engineer(设计；建造) 构词解析 后缀-ig:加在动词后构成名词，表“动作或过程”。 同类词：teaching（教学)、building(建筑) 例句：My uncle works in engineering and designs bridges, 1 7年级下册沪外版 【同步精讲】 词汇变形及词缀精讲 真题链接（沪外版7下单元测试）：Many students are interested in一(engineer)because they want to build tall buildings. 3.documentary/,dpkju'mentri//n./ad.纪录片：纪实的 词汇变形 名词形式（基础词）：document(文件：文档) 构词解析 后缀-y:加在名词后构成形容词或名词，表“与…相关的”。 同类词：dictionary(字典)←-diction(措辞) 例句：We watched a documentary about pandas in class yesterday. 真题链接（沪外版7下阅读训练）：The一(document)we saw was about the history of the Great Wall.. 4.passenger/'paesind3ar)/n.乘客；旅客 词汇变形 动词形式：pass(通过；经过) 构词解析 后缀-r:加在动词后表“执行动作的人”。 同类词：teacher(教师)、worker(工人) 例句：The bus stopped to let more passengers get on 真题链接（沪外版7下语法填空）：Al一(pass)must show their tickets before getting on the train, 5.report /rI'po:t/n.w.报告；报道；汇报 词汇变形 名词形式（人）：reporter（记者) 构词解析 前缀re-:表“再次、重复”；词根pot:表“携带、运送”，整体含义“带回信息”。 同类词：reporter(记者)、transport(运输) 例句：She will report the news to the class tomorrow. 真题链接（沪外版7下同步练习）：The一(report))from CCTV is covering the Olympic Games. 6.familiar /fa'mlia(r)/ad.熟悉的：常见的 词汇变形 名词形式：familiarity(熟悉；通晓) 构词解析 前缀fa-(同family):表“家庭的、亲近的”：后缀-ar:构成形容词，表“具有…性质的”。 反义前缀：un-→nfamiliar(不熟悉的) 例句：This song sounds familiar--I think I've heard it before. 真题链接（沪外版7下完形填空）：She felt一(familiar)with the old house because she lived there as a child. 7.desert/dezat/n.沙漠；荒漠：dr'z3t/v.抛弃：遗弃 词汇变形 2 7年级下册沪外版 【同步精讲】 词汇变形及词缀精讲 形容词形式：deserted(荒凉的：被遗弃的) 构词解析 后缀-ed:加在动词后构成形容词，表“已…的”。 例句：The traveler got lost in the desert and had no water left. 真题链接（沪外版7下词汇运用）：The village was一(desert)after the earthquake. 8.overcome/vakm/V.克服；战胜 词汇变形 过去式/过去分词：overcame/overcome 构词解析 前缀over-:表“越过、超过”；词根come:表“来”，整体含义“越过困难而来”。 同类词：overlook(忽视)、overcome(克服) 例句：He tried his best to overcome his fear of speaking English, 真题链接（沪外版7下书面表达）：We should learn to一(overcome)difficulties in our daily life. 9.remain/r'men/v.保持：仍然是；剩余 词汇变形 形容词形式：remaining(剩余的) 构词解析 前缀re-:表“再次、仍然”；词根main:表“停留”，整体含义“持续停留”。 例句：After the party,some food and drinks remained on the table. 真题链接（沪外版7下语法填空）：Please hand in your_(remain)homework before Friday.. 10.though/ǒau/conj./adv.虽然；尽管；不过 词汇变形 同义词：although(连词，仅用于句首) 构词解析 无明显前后缀，注意与although的用法区别：though可放句末，although不可。 例句：She passed the exam,though she didn't study hard 真题链接（沪外版7下句型转换）：Although it rained heavily,we went to the park..(改为同义句) We went to the park,_it rained heavily. 综合训练 一、 根据句意及汉语提示完成单词 6.The project is near_(完成)，and we need to work harder.. 7.My cousin studies_(工程学)at Tsinghua University. &.We watched a._(纪录片)about ocean life in science class. 3 7年级下册沪外版 【同步精讲】 词汇变形及词缀精讲 9.All一（乘客）must fasten their seatbelts during takeof. 10.The()from the local newspaper interviewed the winner. 二、用所给单词的适当形式填空 6.After the storm,the small village was left(desert). 7.She tried her best to _(overcome)her fear of heights. 8.Please finish the_(remain)exercises before class ends. 9.He speaks English(complete)differently from his brother. 10.The_(engineer)designed a new bridge over the river. 三、完成句子（每空一词） 1.虽然雨下得很大，但我们还是按时到达了车站。 We arrived at the station on time,-it rained heavily. 2.她对这个城市很熟悉，因为她在那里住了十年。 She is_the city because she lived there for ten years. 3.我们应该学会克服生活中的困难。 We should learn to_in our daily life. 4.所有乘客必须在登机前出示车票。 All must show their tickets before boarding the plane. 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。 Last week,we had a class trip to the science museum.We watched a _(document)about space exploration first.The-(report)from the museum explained how astronauts live in space.After that,we visited an_(engineer)exhibition,where we saw models of rockets and satellites. On the way back,our bus stopped suddenly.The driver said there was a problem with the engine. Some_(passenger)felt worried,but our teacher told us to stay calm.She said,"We need to_ (overcome)this small difficulty together."Finally,the driver fixed the bus,and we returned to school safely.Though we were late,everyone thought it was an interesting day. 4 7年级下册沪外版 【同步精讲】 词汇变形及词缀精讲 参考答案 I根据句意及汉语提示完成单词 6.completion 7.engineering 8.documentary 9.passengers 10.reporter Ⅱ.用所给单词的适当形式填空 6.deserted 7.overcome 8.remaining 9.completely 10.engineer I.完成句子 1.though 2.familiar with 3.overcome difficulties 4.passengers V.语篇填空 1.documentary 2.reporter 3.engineering 4.passengers 5.overcome 5