Unit 4 Inventions 课时2 阅读（课时学案）-【宝典训练】2025-2026学年新教材八年级上册英语高效课堂教学课件（沪教版2024）

天骄出品 必属精品 深圳天骄文化传播有公司 宝典训练 配套教学课件 高效课堂 课件使用说明 本课件需用office2010及以上版本打开，如果您的电脑是office2007及以下版本，可能会出现不可编辑的文档，建议您安装office2010及以上版本。 01 本课件显示比例为16:9，如您的电脑显示器分辨率为4:3，课件显示效果可能比较差，建议您将电脑显示器分辨率更改为16:9。 win 10:右击桌面--选择“显示设置”--点选要显示PPT的屏幕--设置该屏幕分辨率为16:9。 win7、win8(8.1):右击桌面一-选择“屏幕分辨率”--选择要显示PPT的屏幕--设置该屏幕分辨率为16:9。 02 如果您在使用课件的时候,有问题可联系天骄文化售后客服,我们将竭诚为您服务。 03 目录、返回目录均设有超链接，点击即可跳转至相应的页面。 04 课时2　阅读 Unit4　Inventions 目录 CONTENTS 1 课时精讲 2 课时过关 【课时精讲】 1. （1）When the sun rose， we started our journey. （2）in search of/searching for 2. （1）continued reading　（2）continued to discuss （3）for the next 300 years 3. （1）Although it was raining， they continued the game. （2）Inventing new things means that we can solve more problems in life. When the sun rose， we started our journey. in search of/searching for continued reading　 continued to discuss for the next 300 years Although it was raining， they continued the game. Inventing new things means that we can solve more problems in life. 课时精讲 课时过关 返回 目录 4. （1）We can’t know the invention’s date for sure. （2）They used bones to create tools. 5. （1）The wheel was invented. As a result， transport became easier. （2）The chair made of wood is very light. （3）arrival 6. （1）Solar panels not only save energy but also reduce pollution. （2）This factory produces all types of electronic devices. We can’t know the invention’s date for sure. They used bones to create tools. The wheel was invented. As a result， transport became easier. The chair made of wood is very light. arrival Solar panels not only save energy but also reduce pollution. This factory produces all types of electronic devices. 课时精讲 课时过关 返回 目录 7. （1）Without doubt， this is the best invention. （2）The Mona Lisa is one of the most famous paintings of all time. 【课时过关】 Without doubt， this is the best invention. The Mona Lisa is one of the most famous paintings of all time. 一、1.in　search　of 2. continued sailing until 3. couldn’t know for sure 4. Without doubt 5. used stones to make fire types of in　search　of continued sailing until couldn’t know for sure Without doubt used stones to make fire 课时精讲 课时过关 返回 目录 6. As a result of the heavy rain 7. made of glass 8. The arrival of winter 9. not only but also 10. all types of As a result of the heavy rain made of glass The arrival of winter not only but also all types of 二、1.on 　　2.riding　　3.until 4. invented 5.to make 6.suddenly 7. muddy 8.a 9.better 10. windmills on 　　 riding　　 until invented to make suddenly muddy a better windmills 三、第一节　1—5　CBADB　　第二节　1—5　BCEAD CBADB　　 BCEAD 课时精讲 课时过关 返回 目录 重点句子讲解。 1. When the first humans decided to leave their homes over 100，000 years ago in search of new places to live and better sources of food， they did it on foot.当最早的人类在10万多年 前决定离开家园，寻找新的居住地和更好的食物来源时，他们 是徒步完成的。 课时精讲 课时过关 返回 目录 （1）When the first humans decided to…是When引导的时间状 语从句，表示“当……时候”，从句说明主句动作发生的时间 背景。 When the bell rang， students entered the classroom. 当铃声响起时，学生们进入了教室。 （2）in search of＝ searching for（寻找）在句子中作目的状 语，说明离开家园的目的。 Many people moved to cities in search of better jobs. 许多人搬到城市为了寻找更好的工作。 课时精讲 课时过关 返回 目录 （1）The sun rose. We started our journey.（用when连接 两个句子） ⁠ （2）填空。 科学家们正在努力寻找可以替代石油的新能源。 Scientists are working hard new energy sources to replace oil. When the sun rose， we started our journey. in search of/searching for 　 课时精讲 课时过关 返回 目录 2. Humans continued walking across the globe for the next 94，000 years， until about 6，000 years ago when a number of important changes took place.人类继续在接 下来的94 000年在全球范围内行走，直到大约6 000年前， 一系列重要变化发生了。 （1）continued walking表示“持续行走”，continue doing sth. 持续做某事（强调动作不间断）。 对比：continue to do sth.表示停顿后继续做某事 It continued raining for three days. 雨持续下了三天。 课时精讲 课时过关 返回 目录 （2）for the next 94，000 years中“for ＋ 时间段” 表示动作持 续一段时间。 “the next”强调接续前文的时间段。 The tradition lasted for the next 200 years. 这个传统延续了接下来的200年。 （3）until about 6，000 years ago表示直到6000年前。 until“直 到……时候（时间终点）”，常与延续性动词连用 （continue， stay等）。 She worked in the lab until midnight. 她在实验室工作到午夜。 课时精讲 课时过关 返回 目录 用continue的正确形式填空。 （1）He （read） the book all afternoon. （2）After checking the data， they ⁠ （discuss） the project. continued reading 　 continued to discuss 　 课时精讲 课时过关 返回 目录 （3）填空。 这种习俗持续了接下来的300年，直到新法律颁布。 The custom continued until the new law was issued. for the next 300 years　 课时精讲 课时过关 返回 目录 3. Although this meant that people could travel further and faster， transporting large amounts of goods was still a difficult job. 虽然这意味着人们可以走得更远更快，但运输大量货物仍然是 一项困难的工作。 课时精讲 课时过关 返回 目录 （1）Although this meant that…是Although引导的让步状语从 句，表示“虽然……（但是）……”，只是主句前不可再加 but， 即although 和but不可以同时使用。 Although it was cold， we went swimming. ＝ It was cold， but we went swimming. 虽然天气冷，我们还是去游泳了。 课时精讲 课时过关 返回 目录 （2）this meant that表示“这意味着……”，后面加宾语从 句。 The dark clouds mean that it will rain soon. 乌云意味着快 要下雨了。 （3）transporting… was…这是动名词短语作主语。其结构是： doing sth. ＋ 谓语。 Learning a new language takes time. 学习新语言需要时间。 课时精讲 课时过关 返回 目录 （1）It was raining. They continued the game.（用although改写 句子） ⁠ （2）发明新事物意味着我们能解决生活中更多问题。（翻译 句子） ⁠ ⁠ Although it was raining， they continued the game. Inventing new things means that we can solve more problems in life. 课时精讲 课时过关 返回 目录 4. We will never know for sure， but the inventors probably first used wheels to make pottery. 我们永远无法确定，但发明者可能最初将轮子用于制作陶器。 （1）for sure＝ certainly表示“确定地”，常与否定词连用 （never know for sure），for certain则更正式。 I can’t say for sure when he will arrive. 我不能确定他何时到达。 课时精讲 课时过关 返回 目录 （2）used wheels to make pottery表示“将轮子用于制作陶 器”， use A to do B表示“用A来做B”。 pottery 不可数名词，指“陶器”。 Ancient people used stones to make tools. 古人用石头制作工具。 课时精讲 课时过关 返回 目录 （1）我们无法确定这个发明的时间。（翻译句子） ⁠ （2）They created tools with bones.（用use… to…结构改写） ⁠ We can’t know the invention’s date for sure. They used bones to create tools. 课时精讲 课时过关 返回 目录 5. As a result， the first roads made of stone appeared after the arrival of the wheel. 因此，在轮子出现后，第一批石头路出现了。 （1）As a result是连接词，表达因果关系＝ therefore。As a result 前接原因，后接结果。 The material was weak. As a result， the bridge fell down. 材料不结实，因此桥梁倒塌。 课时精讲 课时过关 返回 目录 （2）roads made of stone表示“用石子做的路”。made是make 的过去分词，做roads的后置定语。make of 表示发生了物理变 化，看得出原材料。而make from表示原材料发生化学变化， 看不出原材料。 The necklace made of silver is expensive. 这条银制的项链很贵。 （3）arrival 是arrive的名词形式，表示 “到达；到来”，通常 指人或事物的抵达，强调时间点或事件的发生。 The arrival of the Internet changed the world. 互联网的到来改变 了世界。 课时精讲 课时过关 返回 目录 （1）The wheel was invented. Transport became easier.（用as a result连接句子） ⁠ （2）这把木头做的椅子很轻。（翻译句子） ⁠ （3）填空。 His （arrive） at the airport was delayed by bad weather. The wheel was invented. As a result， transport became easier. The chair made of wood is very light. arrival 　 课时精讲 课时过关 返回 目录 6. The wheel not only changed the way humans move， but it also allowed us to build all types of amazing machines.轮子不 仅改变了人类的移动方式，还让我们能建造各种神奇机器。 （1）not only… but also…是并列连词，强调递进关系。 Computers not only store data but also analyze it. 电脑不仅能存储数据还能分析数据。 课时精讲 课时过关 返回 目录 （2）all types of＝ various kinds of表示“各种类型的”，一般 后接复数名词。 This museum has all types of ancient weapons. 这个博物馆有各 种古代武器。 课时精讲 课时过关 返回 目录 （1）Solar panels save energy. They reduce pollution.（用not only… but also…合并句子） ⁠ （2）这家工厂生产各种电子设备。（翻译句子） ⁠ Solar panels not only save energy but also reduce pollution. This factory produces all types of electronic devices. 课时精讲 课时过关 返回 目录 7. Without doubt， the wheel is one of the most important inventions of all time. 毫无疑问，轮子是有史以来最重要的发明之一。 （1）Without doubt＝ undoubtedly表示“毫无疑问地”，可以 作插入语，也可置于句首/句中。 Without doubt， this discovery changed history. 无疑，这个发现 改变了历史。 课时精讲 课时过关 返回 目录 （2）of all time是固定短语，强调“有史以来”，常与最高级 连用。 He is considered the greatest scientist of all time. 他被认为是有史 以来最伟大的科学家。 课时精讲 课时过关 返回 目录 （1）This is certainly the best invention.（改写同义句） ⁠ （2）《蒙娜丽莎》是有史以来最著名的画作之一。（翻译 句子） ⁠ Without doubt， this is the best invention. The Mona Lisa is one of the most famous paintings of all time. 课时精讲 课时过关 返回 目录 根据汉语意思完成句子，每空一词。 1. When the earthquake happened， people ran out of their houses safety. 当地震发生时，人们跑出房屋以寻找安全的地方。 2. The explorers west for months they finally saw land. 探险家们继续向西航行了数月，直到终于看到陆地。 in　 search　 of 　 continued　 sailing 　 until　 课时精讲 课时过关 返回 目录 3. We who invented paper. 我们无法确切知道是谁发明了纸。 4. ， the internet is one of the greatest inventions of the 20th century. 毫无疑问，互联网是20世纪最伟大的发明之一。 couldn’t　 know　 for　 sure　 Without　 doubt　 课时精讲 课时过关 返回 目录 5. Ancient people . ， which was very important for survival. 古人用石头生火，这对生存非常重要。 6. ⁠， the river rose and flooded the village. 由于大雨，河水上涨淹没了村庄。 used　 stones　 to　 make　 fire　 As　 a　 result　 of　 the　 heavy　 rain　 课时精讲 课时过关 返回 目录 7. The table looks very modern in the living room. 这张玻璃做的桌子在客厅里看起来很现代。 8. means that we need to wear warmer clothes. 冬天的到来意味着我们需要穿更暖和的衣服。 9. Smartphones help us communicate provide many useful apps. 智能手机不仅能帮助我们交流，还提供许多有用的应用程序。 made　 of　 glass　 The　 arrival　 of　 winter　 not　 only 　 but　 also　 课时精讲 课时过关 返回 目录 10. This museum displays traditional Chinese musical instruments. 这个博物馆展出了各种中国传统乐器。 all　 types　 of 　 课时精讲 课时过关 返回 目录 课文语法填空。 　　The wheel may be the greatest invention of all time. When early humans looked for food and places over 100，000 years ago， they could do it 1. foot. About 6，000 years ago， people started 2. （ride） horses， but transporting goods remained difficult 3. the invention of the wheel. Historians aren’t sure who 4. （invent） the wheel first. People probably used early wheels 5. ⁠ （make） pottery before realizing they could transport goods. on 　 riding　 until　 invented　 to make 　 课时精讲 课时过关 返回 目录 Farmers could 6. （sudden） take their products to markets far away， which increased trade between villages and countries. However， the first roads were just old paths that became 7. （mud） in rain. As 8. result， stone roads appeared after wheels arrived. The Romans later built 9. （good） roads， some of which are still used today. The wheel not only changed transport but also helped create machines like 10. （windmill） and clocks. Even modern 3D printers use wheels！ Without doubt， this simple circle revolutionized human life. suddenly　 muddy 　 a 　 better　 windmills　 课时精讲 课时过关 返回 目录 阅读理解。 第一节　阅读下面的短文，从每小题所给的A、B、C、D四个 选项中选出最佳选项。 　　（2024∙深圳市龙华区期末）Do you know ChatGPT？ It’s an artificial intelligence（AI） tool. It can answer questions， tell stories， and write articles. But it’s very “thirsty （口渴 的）”， said a new study from Harvard University. 课时精讲 课时过关 返回 目录 　　ChatGPT has “homes” around the world in data centres （数据中心）. When it works， the computers at the data centres get very hot. Workers then have to use water to cool them down. Cold water goes into pipes near the computers. The water needs to be very clean. They can’t use seawater because it can eat away at the pipes. 课时精讲 课时过关 返回 目录 　　When you ask ChatGPT 50 questions， it “drinks” 500 millilitres（ml） of water. Scientists used 700，000 litres of water to build ChatGPT. The water use is very big. People can make 370 cars with it. 　　ChatGPT is just one of the AI tools around the world. You need data centres to do everything on the Internet. There are more than 8，000 data centres around the world. The number is still growing. 课时精讲 课时过关 返回 目录 　　AI uses a lot of water to “grow”. The world’s water may not be enough. Many people don’t have enough water to drink. But AI technology helps people. Should we rethink how we use AI？ 课时精讲 课时过关 返回 目录 （　C　）1.Which of the following can ChatGPT do？ ①Answer questions. ②Sing songs. ③Write articles. ④Tell stories. A. ①②③ B. ②③④ C. ①③④ D. ①②④ （　B　）2. What does the underlined word “them” refer to in Paragraph 2？ A. Homes. B. Computers. C. Workers. D. Pipes. C B 课时精讲 课时过关 返回 目录 （　A　）3. If you ask ONE question，how many millilitres of water can ChatGPT “drink”？ A. 10. B. 100. C. 50. D. 500. （　D　）4. What can we learn from Paragraph 4 and Paragraph 5？ A. ChatGPT is the only AI tool around the world. B. The number of data centres is not growing now. C. AI tools can work in a better way without any water. D. We may have to “fight” with AI for water in the future. A D 课时精讲 课时过关 返回 目录 （　B　）5. What is the main idea of the article？ A. ChatGPT is a good artificial intelligence tool. B. ChatGPT needs lots of water when it works. C. ChatGPT helps people do many different things. D. ChatGPT has “homes” around the world in data centres. B 课时精讲 课时过关 返回 目录 第二节　阅读下面短文，并从方框里的六个句子中选择五个还 原到原文中，使原文的意思完整、连贯。 A. With time，these problems have been solved. B. Many countries are studying flying cars. C. But flying cars have some problems， too. D. I think flying cars will be widely used in the future. E. How can the flying cars solve the problems？ F. So it’s important to make sure the flying cars are big enough. 课时精讲 课时过关 返回 目录 　　A company called SkyDrive showed its new flying car， the SD-03. The small car could stay about 1 to 2 metres above the ground， and fly around for 4 minutes with a driver on board. 　　1. They hope that flying cars will be used for short trips in cities in the future. Flying cars can save time and help reach places easily. 　　2. With lots of cars flying around， people need new ways to help control the traffic in the air. And it is too difficult for people to control in real time. B　 C　 课时精讲 课时过关 返回 目录 　　Safety is another problem. If flying cars fall from the sky， it will hurt not just the people in the car， but people on the ground， too. 3. ⁠ 　　Cars and airplanes had lots of problems at first， too. 4. ⁠ 　　Tomohiro Fukuzawa， the CEO of the company， wants the flying cars to be able to fly two people on trips of up to 5 kilometres by 2050， and he hopes people will be able to fly anywhere inside flying cars in just 10 minutes. He said， “5. ⁠” E　 A　 D　 课时精讲 课时过关 返回 目录 本课件由深圳天骄文化出品，仅限教师教学使用。 本课件所有权和著作权归本公司所有， 任何人不得以非法形式进行销售或传播，违者必究! 谢谢观看 $