Unit5 Lesson 3 Computers and the internet 课件 2025-2026学年冀教版八年级英语下册

Unit 5 3 Computers and the internet Great inventions 1 Learning objectives In this lesson, we will be able to: Expand vocabulary related to computers and the internet, such as “online course”, “printeddictionary ”, “application ”, etc., enhancing their language knowledge reserve for this thematic context. Through reading the conversations and passages, students will improve their reading comprehension skills, including extracting specific information. By comparing the past and present ways of doing homework with computers and the internet, students will develop historical thinking. 2 1 What do you like to do on the computer? Tick and talk with your partner. Take an online course. Chat with friends. Send or receive emails. Do homework search. Other. 2 Read the conversation and answer the questions Jenmy wants to do her homework on the computer. But her mum is using it. Jenny: Mum, is it okay if I use the computer now? Mum: Okay.I just finished my work, so it's all yours. Jenny you're so lucky to have a computer. Jenny: Yes,I am.As it’s connected to the internet, it has made study and research much easier. Mum:This technology helps students a lot with their homework.But when I was a student, computers were not widely used. And the internet was not as convenient as it is now. I couldn’t imagine having such a convenient tool for getting the job done. Jenny: Mum, how was homework done in those days? 5 2 Read the conversation and answer the questions Mum: Well, everything was written by hand on paper. When I didn't know how to spell a word, I had to look it up in a printed dictionary. When I needed to do any research, I had to go to the library. Jenny: But now with the internet, we can simply search for everything online. And there’s always new technology, like AI. Mum: Yes, and you can easily find definitions and examples for any word.The internet and the computer are amazing inventions with many applications. Jenny: I agree with you on that, Mum. 6 2 Read the conversation and answer the questions A What does Jenny want to do on the computer? B How did Jenny's mum do homework when she was a student? Everything was written by hand on paper. When she needed to do any research, she had to go to the library. She wants to do her homework on the computer. 7 Read passage again and answer the questions. 1. What two things does Jenny say the computer helps her with for homework? 2. What modern technology does Jenny mention besides computers and internet? Study and research AI 设计意图：Review the words for place，Try to say more places in English. Pave the way for the following study 操作建议：say a place one by one 8 List 3 differences between Mum's and Jenny's homework methods: Mum used _______________, Jenny uses computers Mum checked words in ___________________, Jenny searches online Mum went to the ______________ for research, Jenny uses internet Read passage again and answer the questions. paper printed dictionaries library 设计意图：Review the words for place，Try to say more places in English. Pave the way for the following study 操作建议：say a place one by one 9 ___ Look up words in a dictionary. ___ Write homework by hand. ___ Go to the library for research. 2 Put Mum’s homework steps in order (1-3). 1 3 Read passage again and answer the questions. 设计意图：Review the words for place，Try to say more places in English. Pave the way for the following study 操作建议：say a place one by one 10 3 Read the sentences, pay attention to the parts in yellow and complete the passage. But when I was a student, computers were not widely used Everything was written by hand on paper. When we use the passive voice to say a past thing, we use was/were+v-ed. Yesterday, I found an old book. It was on the top of the shelf. It _____________ (cover) by some newspapers.The book___________(write) by a famous writer. I opened the book and soon I_____________ (attract) by a photo in it.It was a photo of my grandfather. Now,many photos ________(take) on mobile phones. Looking at the old photo, I__________(bring) back to the time I spent with my kind grandfather during my childhood. was covered was written was attracted are taken was brought 11 4 Read and complete the conversation. Mr Green: What do you think of the internet? Jenny:__________ Danny: I agree with you. Some of the advantages are indeed wonderful. Mr Green: You’re at right. The internet is used everywhere_________ Jenny:I like to find information about sports and technology. Danny:I like chatting with my friends online.______ Brian:I like doing research for my homework. There is so much information.___________ Mr Green: Exactly,the internet helps us a lot, but it also has many disadvantages... A.How does it help you? B.It's important for us to tell the good from the bad C.I think the world was changed by the internet. D.The internet is a bridge between us. C A D B 12 Show time Checklist Stars Language(语言正确) Pronunciation(发音标准) Body language(使用肢体语言) Creation(有创意) Excellent Great Good Embrace technology wisely, but never forget the warmth of human connections. 用法： 主语（人）+ chat with friends + （地点 / 方式等补充，如 on WeChat/online ） ，说明聊天对象和场景。 例句： He often chats with friends on WeChat after school. 他放学后常在微信上和朋友聊天 。 1. I like chatting with my friends online. “和朋友聊天” Point 16 用法： 主语通常是电子设备,可用于描述设备的网络连接情况。 例句： Is your phone connected to the Internet? 你的手机连接互联网了吗？ 2. Yes,I am. As it’s connected to the internet, it has made study and research much easier. be connected to 表示 “与…… 相连” Point 17 3. Well, everything was written by hand on paper. on paper 意为 “在纸上” Point 用法： 多作状语，用于说明书写的载体。 例句：   In the past, people wrote letters by hand on paper. 过去，人们用手写把信写在纸上。 18 4. I had to look it up in a printed dictionary, when I needed to do any research. 在纸质词典里查阅（单词等） Point 用法： 主语通常是人，后面可接要查找的内容,作宾语，说明查找的对象和工具。 例句： She likes to look up words in a printed dictionary. 她喜欢在纸质词典里查阅单词。 19 5. But now with the internet we can simply search for everything online. 意为 “寻找，搜寻；探求” Point 用法： “search for” 后面直接跟要寻找的具体人或物，构成 “search for + 宾语” 的结构。 例句： They are searching for the missing hikers in the mountains.他们正在山中寻找失踪的徒步旅行者。 20 21 一、完成句子 我喜欢在电脑上 和朋友们聊天 。 I like to _____ _______ _______on the computer. 2. 现在越来越多的人用人工智能搜索信息。 Now more and more people use AI to ____ _____information. 3.这本书 是由一位著名作家写的 。 This book _____ _______ _____ _____ ______ _____. 4.过去，人们 把信写在纸上 。 In the past, people wrote letters _____ _____ . chat with friends  search for  was written by a famous writer  on paper  22 二、英汉互译 We need to do homework search on the internet.​ 过去，人们把作业写在纸上。​ This computer is connected to the internet.​ 她每天都要发送或接收很多电子邮件。 我们需要在互联网上查找作业资料。​ In the past, people did their homework on paper.​ 这台电脑连接着互联网。​ She sends or receives many emails every day. 23 24 Required（必做） Optional（选做） Copy the following words and phrases 3 times each.​ computer​,internet​,online course​,chat with friends​,send emails​,receive emails​,do homework search Write 3 sentences about how you use computers or the internet in your study. 25 Lavf58.20.100 null 96524.055 $