Unit 3 知识总结与拓展(上) 2025-2026学年译林版七年级英语上册

本讲义聚焦初中英语7A Unit 3核心知识点，以“词汇精讲-拓展辨析-句型应用-练习巩固”为学习支架，系统梳理discuss、imagine等词汇的词性词意及常用词组，as well/too/also/either等词组辨析，here开头倒装句等句型，助力学生构建单元知识网络。 该资料突出语言能力与思维品质培养，如通过“spend/cost/take/pay”用法对比提升逻辑分析能力，“take place/happen”辨析强化语境理解。配套翻译、单选练习辅助课中互动教学，也便于课后自主复习，有效查漏补缺，巩固知识应用。

7A Unit 3知识总结与拓展(上) 【7A Unit 3 Lead-in --- Welcome to the unit】 【重难点知识精讲】 知识点1. Let’s learn about different places at our school and discuss them with each other. (P 30) 【词组】discuss [词性词意], 常用词组:①与某人讨论某事 ; ②discus后面可以接疑问词(如 how, what, when等)引导的不定式短语。即:discuss +疑问词+to do sth. e.g. I’m not prepared to discuss this on the phone. 我不想在电话里谈论此事。 The article discusses how teachers can use technology in their classrooms. 本文讨论了教师如何在教室中使用技术。 【拓展】discuss的名词为 , 意为“ ”。常用词组: ①have an discussion with sb *②under discussion e.g. We had a discussion with them about the differences between Britain and the US. 我们和他们讨论了英美两国的不同之处。 The plans have been under discussion for a year now. 这些计划至今已讨论一年了。 【练习】1.翻译句子: 我们俩都认为需要讨论一下如何解决这个问题。 2.单项选择 ①We need to have a meeting ______ how to protect the environment(环境). A. discuss B. discussed C. discussing D. to discuss ②The problem is too difficult. Let’s discuss ______. A. what to do B. how to do C. what to do it D. how to do it 知识点2. Imagine/ɪˈmædʒɪn/ you meet a friend from another school. (P 31) 【词形】imagine [词性词意], 常用词组:①想象做某事 ; ②imagine+(that)从句 ③*imagination e.g. She imagined walking into the office and handing in her resignation. 她想象着自己走进办公室, 递上辞呈。 It doesn’t take much imagination to guess what she meant. 不难猜出她的意思。 【翻译】想象一下, 当我打开门发现他站在那里时, 我感到惊讶。。 知识点3. We have a nice dining hall as well. (P 31) 【讲解】as well的基本意思是“ ”, 通常用于肯定句句末, 其含义和用法与too非常相似。 e.g. She will go to the party, and I will go as well. 她会去参加聚会, 我也会去。 【拓展1】as well, too, also & either 辨析 ①I’m a student. He is a student as well. 我是学生。他也是学生。 ②I’m a student. He is a student, too. 我是学生。他也是学生。 ③I’m a student. He is also a student. 我是学生。他也是学生。 ④I don’t like coffee. My sister doesn’t like it either. 我不喜欢咖啡。我妹妹也不喜欢。 词语 含义 句中位置 句式 as well 也 句末 肯定句 too also either 【拓展2】as well as 用法一: 表示“和, 及”, 基本结构: A as well as B(强调 A, 意思是“不仅B, 而且A”或“A和B”) e.g. I can speak French as well as English. She is clever as well as beautiful. 特别注意: 连接两个主语, 谓语动词的单复数要与第一个主语(A)保持一致。 ​His parents as well as he are very kind to me. 不仅他, 他的父母对我也很好。[相似用法: ] ​用法二: 表示“和……一样好”, 这时, well是副词, 修饰动词, 表示“做得好”。 e.g. She sings as well as a professional singer. 她唱得和专业歌手一样好。 I hope I can do the job as well as you. 我希望我能把这项工作做得和你一样好。 【练习】1.Mary as well as her sisters ______ interested in that movie. A. is B. are C. be D. am 2.We need to buy some vegetables, ______ we need some fruit. A. as well B. as well as C. but D. and 知识点 4. They’re all bright and clean. (P 31) 【讲解】bright的相关词意 ①All of these stars are bigger and brighter than our sun. [bright: ] ②Jack’s face turned bright red. [bright: ] ③She’s probably the brightest student in the class. [bright: ] ④This young musician has a bright future. [bright: 词组:have a bright future ] 知识点 5. That’s a lot. (P 31) 【讲解】a lot的相关用法 ①a lot 作副词短语, 意为“ ”, 表示程度高。修饰动词(放在动词后), 例句如下: She travels a lot for her job. 她因为工作经常旅行。 Thank you a lot. 非常感谢你。 ​ [拓展]修饰形容词或副词的比较级[*初二]: I feel a lot better today. 我今天感觉好多了。 He runs a lot faster than me. 他跑得比我快多了。 ​②a lot 作代词短语,意为“ ”,指代上下文中提到过的或明确的事物。它可以作句子的主语或宾语。 ​ 作宾语: She knows a lot about Chinese history. 她对中国的历史了解很多。【a lot作 knows的宾语】 We have a lot to do today. 我们今天有很多事要做。【a lot作have的宾语】 ​ 作主语: A lot has changed since you left. 你离开后, 发生了很多变化。 【A lot作主语, 指代“许多事情”, 谓语用单数】 ​【注意】要与a lot of / lots of区分开来​ ​ a lot of和lots of意思完全相同, 都表示“大量的, 许多的”, 但它们是形容词短语, 后面必须接名词。 ​ 结构: a lot of / lots of +名词(既可以修饰可数名词复数, 也可以修饰不可数名词。) e.g. There are a lot of books on the shelf. 书架上有许多书。 We need a lot of time to finish it. 我们需要很多时间来完成它。 知识点6. 词组表达: 1.一个学习的好地方 2.listen to an introduction to Sunshine Middle school 3.tick/tɪk/ the places you hear 4.她的小学同学 5.role-play in pairs 6.use the conversation/ˌkɒnvəˈseɪʃn/ below as a model 7.和你的搭档交谈 【7A Unit 3 Reading】 【重难点知识精讲】 知识点1. They’re perfect places for us to study. (P 32) 【单词】perfect [填词性词意] ---- adv.完美地​--- adj.不完美的 --- * n.完美 --- * n.不完美​ e.g. She speaks perfect English. 她说一口地道的英语。 The weather was perfect for a picnic. 那天的天气野餐是再好不过了。 【拓展】①perfect表示“完全的, 十足的”(用于强调)​​ e.g. What he said is perfect nonsense! 他说的完全是一派胡言！ I have perfect trust in his ability. 我完全相信他的能力。 ​ ②作动词, 发音变为 /pərˈfekt/, 重音在第二个音节。 e.g. He practices every day to perfect his skills. 他每天都练习以使自己的技艺完美。 【习语】Practice makes perfect. 【单选】1.—How is your spoken English? —Not bad, but I need to practice more to make it ______. A. perfect B. perfectly C. more perfect D. perfection 2.—Are you sure about the answer? —Yes, I’m ______ sure. A. perfectly B. perfect C. perfection D. more perfect 知识点2. Our school has lots of green spaces. (P 32) 【单词】space的相关词意 ①That was the year China sent its first astronaut(宇航员) into space. [space: , 前面通常要加定冠词“the”, 词组:space travel ​ ] ②Put it in the space between the table and the wall. [space: ] ③Arrive early because space is limited. [space: ] ④It’s a city with fine buildings and plenty of open space. [space: ] *⑤space n.(一段)时间​ 词组:in the space of three days 在三天的时间里 【单选】1.Many dreams about exploring ______ have come true. A. a space B. space C. the space D. an space 2.When you write, you should leave a ______ between each word. A. space B. room C. place D. distance 知识点3. Students enjoy spending time here. (P 32) 【讲解】spend的相关用法 ①spend意为“花费”, 常考以下两种句型结构。 结构1: Sb +spend+时间/金钱+on+sth.​ e.g.He spends two hours on his homework every day. 他每天花两个小时做作业。 结构2: Sb +spend +时间/金钱+ (in) doing sth.​​ e.g. He spends two hours (in) doing his homework every day. 他每天花两个小时做作业。 ② spend [词性词意] e.g. They spent a wonderful holiday together. 【拓展】spend, cost, take&pay 词语 主语 用法/句型结构 spend cost take pay 【翻译】她妈正在询问她花钱买什么了。 知识点4. We have a great sports field. (P 32) 【讲解】1.名词用法详解​ ①田地, 牧场​ 词组:1)a wheat field 2)work in the fields​ ​ ②(有特定用途的)场地, 场所​词组:1)a football field​ 2)a battlefield​ 2.抽象与专业含义 (高频考点: 这些是阅读和完形填空中的常见含义。) ③“领域, 范围”, 指学术、活动或知识的“领域”。词组: the field of medicine/education e.g. He is an expert in his field. 他是其所在领域的专家。 【其他重点词组】①field trip ②field research/work 【能力拓展】*动词用法​ ①She fielded the ball smoothly. 她利落地接住了球。 【filed vt.接(球), 防守(主要用于体育比赛)】 ​②The speaker fielded some tough questions from the audience. 演讲者巧妙地回答了听众提出的一些难题。 【filed vt.巧妙地回答(难题)】​ ​【翻译】1.当飞机飞越过大山时, 你可以看见一大片金灿灿的麦田。 2.我一直认为每个人都有自己擅长的领域。 知识点5. Lots of exciting sports matches take place on it. (P 32) 【词组】take place的意思是 “ ”。通常用来描述计划好的、预料中的或常规性的事件, 比如会议、婚礼、比赛、节日、变化等。结构: Sth + take place。(即:物做主语, 有时态变化)​ e.g. The Olympic Games take place every four years. 奥运会每四年举行一次 The concert will take place in the city square. 音乐会将在城市广场举行。 What time did the meeting take place yesterday? 会议昨天什么时候开始? 【拓展1】take place vs. happen​ 这两个词都表示“发生”, 但侧重点不同。1)take place:事先计划好的、预料中的事件 2)happen:偶然的、意外的事件。The sports meeting takes place next Monday. 运动会下周一举行。【计划好的】​ A car accident happened on this road. 这条路上发生了一起车祸。【偶然的】​ 【拓展】sb happen to do sth. 意为 “某人碰巧做某事”。​ ​ e.g. I happened to meet her in the park. 我碰巧在公园遇到了她。 【拓展2】take place vs. hold​ The company will hold the meeting in the main hall. 公司会会议将在大厅举行。 The meeting will take place in the main hall. 会议将在大厅举行。 [总结: ] 【练习】1.单项选择。​ 1)The story of the book ______ in a small village. A. happens B. takes place C. took place D. is held 2)A strange thing ______ to me on my way home yesterday. A. took place B. happens C. happened D. was taken place 2.翻译:你能告诉我你是在哪里偶遇到数学老师的吗? 知识点6. Here we can read about school news and stories of star students and teachers. (P 32) Here’s our modern library and our school building.(P 32) 【句式】以here开头的句子, 为了起到强调作用, 常使用倒装语序, 即将谓语动词提到主语之前。 ①主语是名词 → 完全倒装(动词在前, 主语在后)​​ ​结构: Here +谓语动词+主语(名词)​​ ​ e.g. Here comes the bus. 公交车来了。【正常语序: The bus comes here.】 ②当主语是代词(如 I, you, he, she, it, we, they)时, 句子不倒装, 使用正常语序。 ​ 结构: Here +主语(代词)+谓语动词​ ​ e.g. Here it is. 它在这儿。​ Here you are. 给你。​​ Here she comes. 她来了。 【单选】( )______ some flowers for you. A. Here is B. Here are C. Here have D. Here 知识点7 . Trust me. (P 32) 【单词】trust [填词性词意], 常见用法①trust sb. to do sth. ②trust (+ that)从句 例句如下: She trusts her assistant to handle the details. 她放心让助手去处理细节。 You can trust him to be on time. 你可以相信他会准时。 I trust that you will keep your promise. 我相信你会信守承诺。 【拓展】①If you put your trust in me, I will not let you down. 你要是信赖我, 我就不会让你失望。 此句中的trust [词性词意] *②trustworthy/ˈtrʌstwɜːði/ adj.值得信赖的 e.g. Mitchell was a solid and trustworthy man. 米切尔是一个坚实而值得信赖的人。 【练习】1)单选: I don’t ______ the weather forecast. It often rains when it says it will be sunny. A. trust B. believe in C. believe D. Think 2)父母应当学会新人他们的孩子能做出正确的选择。 知识点8. 词组表达 1.了解更多关于阳光中学的信息 2.观看校园网站上的一个短视频 3.begin a welcome speech with a friendly opener 4.和老师聊我们的问题 5.看见学生在那跑步 【回顾】see/hear/notice sb do sth/doing sth 6.fill in the places talked about in the video script/skrɪpt/ 7.make some notes 8.写封邮件给她的网友 4 第 1 页 共 3 页 学科网（北京）股份有限公司 $