Unit 5 Great inventions 单元复习课件2025-2026学年冀教版八年级英语下册

该初中英语单元复习课件围绕“发明创造”主题，系统整合核心词汇（如invent、speed）、功能句型（谈论与介绍发明）、语法（一般过去时被动语态）及考点用法，通过词汇快速拼写、话题功能梳理、考点分层讲解和语法练习，构建“词汇-句型-语法-应用”的完整知识网络。 其亮点在于以“语言能力”和“思维品质”为导向，设计Pair work对话练习（如讨论favorite invention）和Give a report创作任务（设计新发明），结合基础词汇匹配、语法填空到综合输出的分层练习，既巩固语言知识，又培养学生分析表达和创新思维，助力教师精准复习，提升学生综合运用能力。

Unit review Great inventions Unit 5 英语冀教版八年级下册 Lead in wheel machine spell application refrigerator 拼写 轮子；车轮 knowledge power print pour power 应用程序 知识；信息 能力；权利 印刷；打印 倒；下大雨 能源；能量 period tool AI freeze 工具；方法 invent speed dictionary heat emperor 速度；加速 时间；阶段 词典；字典 人工智能 结冰 发明；创造 冰箱 皇帝 加热；热 机器 Say the words according to Chinese quickly. Lead in Match the words with their meanings. 1. greatly 2. easily 3. absolutely 4. compass 5. eco-friendly 6. widely 7. simply 8. scientist 9. spaceship 容易地 指南针 大大地；非常 环保的 当然；完全地 简单地 广泛地 航天飞船 科学家 话题梳理 话题：Inventions(发明创造) 功能：Know and talk about some inventions. (了解与谈论一些发明创造) Introduce one of your favorite inventions. (介绍你最喜欢的一项发明) 话题梳理 Inventions I believe the invention of paper has greatly influenced the development of human civilization. The light bulb is also an important invention. It lights up the world. It was invented in China over 2,500 years ago. It became the primary tool used by merchants and bankers to calculate. The origins of porcelain can be traced back to the Han Dynasty in China. Know and talk about inventions. Introduce one of your favorite inventions. 考点突破 考点突破 用invent或invention的适当形式填空。 (1) Edison __________ many useful things in his life. (2) The light bulb is one of the most important __________ in history. (3) Some funny stories __________ by my little brother to make us laugh. (4) The __________ of the train made long-distance travel easier. 1．invent与invention的用法 invented inventions are invented inventions 考点突破 invent v. 发明（原本不存在的东西）；编造（故事、谎言等） 常用搭配：invent sth.； ... is/are/was/were invented He invented the telephone in 1876. （他在1876年发明了电话。） That machine was invented in 2020. （那台机器是2020年发明的。） 1．invent与invention的用法 考点突破 invention n. 发明物；发明（这个行为） 常用搭配：an invention；the invention of sth. The smartphone is a great invention. （智能手机是一项伟大的发明物。） The invention of the Internet changed the world. （互联网的发明改变了世界。） 1．invent与invention的用法 考点突破 翻译句子。 （1）飞机以很快的速度飞行。 The plane flies ______ a high ______. （2）老师叫我们快点，因为时间有限。 Our teacher asked us to ______ _____, because time was limited. 2. speed的用法 at speed 考点突破 speed up 考点突破 （1）作名词，意为：速度；速率 常用搭配： at a high/low speed 以高速/低速 at the speed of… 以……的速度 ① The car is running at a high speed. ② The train travels at the speed of 200 kilometers an hour. ③ You mustn’t drive over the speed limit in the city. 2．speed的用法 考点突破 （2）作动词，意为：（使） 加速；快速前行；超速行驶 过去式/过去分词：sped 或 speeded 常用搭配： speed up 加速 speed away/off 迅速离开 ① The driver sped up when he was late for work. ② We’d better speed up, or we’ll be late for class. ③ The thief sped away on a motorcycle. 2．speed的用法 考点突破 用provide的适当形式或正确搭配填空。 (1) The hotel _________ us ______ a large and clean room. (2) Trees ________ oxygen ______ all the living things on the earth. (3) My parents always ________ enough money ______ my study. (4) This factory ________ different kinds of toys ______ the market every year. 3. It connects people from all over the world and provides us with information, knowledge, and entertainment. provides 考点突破 with provide for provide for provides for 考点突破 provide vt. 意为：提供；供给；给予 常用搭配： provide sb. with sth. 给某人提供某物 The school provides students with free textbooks. provide sth. for sb. 为某人提供某物 The government provides food for the homeless people. 3. It connects people from all over the world and provides us with information, knowledge, and entertainment. 考点突破 考点突破 根据汉语意思，补全英语句子，每空一词。 （1）知识拥有改变我们生活的力量。 Knowledge ______ ______ ______ ______ change our lives. （2）风是一种清洁能源。 Wind is a kind of _______ ______. （3）每个人都有能力让这个世界变得更好。 Everyone ______ ______ ______ ______ make the world a better place. 4. Humans began to have the power to move and carry things across long distances. has the power to clean power has the power to 考点突破 power 意为：①力量；体力（不可数）②能力；影响力（不可数） ③ 电力；能源（不可数） The elephant uses its power to carry heavy things. Knowledge gives us the power to change the world. The power went out suddenly last night. 4. Humans began to have the power to move and carry things across long distances. 考点突破 have the power to do something 意为：有能力做某事，主语可以是人或物，to 后面接动词原形 We all have the power to make our dreams come true. Science has the power to improve people’s lives. 4. Humans began to have the power to move and carry things across long distances. 语法突破 用括号内所给动词的适当形式填空。 The window ____________ (break) by Tom yesterday. A new hospital ___________ (build) in our town last year. The classroom _____________ (clean) by us after school yesterday. These questions _______________ (answer) by the teacher just now. The film _________________ (not watch) by me last weekend. The passive voice in the simple past tense(一般过去时的被动语态) was broken was built were answered was cleaned was not watched 语法突破 知识复现 一般过去时的被动语态用法： 肯定句：主语 + was/were + 动词的过去分词 (done) 主语是单数/不可数名词 → 用 was 主语是复数 → 用 were 否定句：主语 + was/were + not + 动词的过去分词 一般疑问句：Was/Were + 主语 + 动词的过去分词? The passive voice in the simple past tense(一般过去时的被动语态) 语法突破 知识复现 强调动作的承受者（不知道或没必要说出动作的执行者） The letter was sent yesterday. （这封信是昨天寄出的。） Some new books were bought last week. （上周买了一些新书。） The passive voice in the simple past tense (一般过去时的被动语态) 语法突破 知识复现 动作的执行者很明确，且有必要说明时，可加 by 引出执行者 The kite was made by my little brother. （这个风筝是我弟弟做的。） These trees were planted by the students last spring.（这些树是学生们去年春天种的。） The passive voice in the simple past tense(一般过去时的被动语态) Task 1 Pair work Talk about your favorite invention in pairs. A: What’s your favourite invention? B: ... is my favourite. It has changed the way of… A: That sounds fascinating! Who invented it? B: It was invented by… A: When was it invented? B: It was invented in… Task 2 Give a report What would you like to invent? What can it be used for? Give a report to introduce it. If possible, I would like to invent a/an … for… This kind of… can provide … with…/It can help people … It looks like a … It is made of … Summary Know and talk about inventions. 话题梳理 Inventions Introduce one of your favorite inventions. Summary 要点回顾 （1）invent与invention的用法 （2）speed的用法 （3）provide的用法 （4）power的用法 （5）The passive voice in the simple past tense (一般过去时的被动语态) Homework 1．Review what we learned in this unit. 2．Preview Unit 6. Thank you! Unit 5 $