Lesson 19 How Do You Use the Internet-【优+学案】2024-2025学年八年级下册英语课时通(冀教版)

Unit 4 The Internet Connects Us(答案 P4) 单元主题层级. 人与社会-科学与技术--科学技术与工程,人类发明与创新 核心素养目标 语言能力 能正确运用本单元的词汇或短语描述网络的优缺点。 文化意识 了解网络的使用如何使人们的日常生活更加便利,增强跨文化交流意识 思维品质 能够描述网络的利弊,用英语表达如何让网络为人类服务。 学习能力 了解电脑和网络的发展历史,提高逻辑思维能力。 单元知识清单 1. enterv.输人;进入→ v.出去 2.appearv.出现;呈现;来到→ .消失 3.electronicadj.电子的→ n. 电力 4. sellv.(sold/sold)卖;出售→ v.(bought/bought)买 词汇拓展 5. simpleadj.简单的;简明的→ adv.简单地 6.advantagen.优势;有利条件;有利因素→ __n. 劣势;不利条件;不利因素 7. lessadj.&adv.(little的比较级)更少的(地);更小的(地)→ adj.&.ado.(little的最高 级)最少的(地);最小的(地) 1. 搜索引擎search engine 2.依靠;取决于;根据dependon 3.传递;前进passon 4.用手;手工byhand 5. 印刷机 printing press 短语归纳 6. 继续keep on 7.在很短的时间内inseconds 8.遥远far away 9. 除......之外aside from 10.占用,占据;开始从事;接受(提议)takeup 11.约个时间set up a time 12.和......聊天chat with 1.网络怎么帮助你们呢? does the Internet you? 2.如果我们想组织聚会,我可以在网上发布邀请。 we want to have a meeting, I send the invitation online 重点句型 3.只写一本书就用了很长时间 a long time write just one book! 4.人们学会了如何写字和造纸。 People learned write and make paper. 5.花费太多的时间上网对人们的健康有害。 Spending time online people's health 单元语法 if引导的条件状语从句 Lesson 19 How Do You Use the Internet?(答案 P4) 通基础 &礼是 I.根据句意用适当的词填空 II. 用方框中所给词的适当形式填空 1. I like doing research for my homework technology,industry,keyboard,tablet,invite the Internet. 6. My father bought me a .Ioften use 2. I will send my research to my grandpa it to help with my homework. e-mail. 7.(2024·扬州中考)New have greatly 3. Danny likes chatting his parents changed our lives. online. 8. My cousin will have a birthday party next 4. They lived a small village. week. I got his online yesterday. 5. the help of the teacher,I passed the 9. We need a new for the computer. final exam. 10. The car in the city develops fast. 1通能力 3>3 II.完形填空 ( )11. A. scientists B. students C. teachers We live ina“computer age(计算机时代)” D. computers People like scientists, teachers, writers, and )12.A.few B. little C.a few even students use computers to do all kinds of D.a little work. But more than 30 years ago, 11 )13. A.what B. how C. where couldn't do much work and they were big and D.when expensive. Very 12 people were interested in )14. A. cheap B. cheaper them or knew 13 to use them. Today C. expensive D. more expensive )15.A.play computers are smaller and 14 . They can do B. make C. use much work and many people like to 15 D. work them. Many people have them at home. )16.A. slow B. fast Computers become very important because C. slower D. faster )17. A. cakes they can work 16 than man and make fewer B. mistakes 17 .Computers can 18 people do a lot of C. rooms D. excuses )18.A.help work. 19 now use computers to write. B. make Teachers use them to teach and children use C. use D. stop them to play games. Computers can also )19. A. Workers B. Writers C. Singers remember what you put into them. Computers D. Scientists are very 2o and helpful. They are our good )20. A. useful B. beautiful C. careless friends. Would you like to have a computer? D. heavy development 【拓展练习】 t around 1980. Then the optical 21. Why did computers become very important? mouse(光学鼠标)was invented. However,the optical mouse wasn't widely used because it was 22. 新考向·开放性问答 Do you want to have a too expensive. computer? Why or why not? The computer mouse has come a long way since its invention. It has been improved many times to meet the changing needs of users. But V.阅读表达 with the rise of touch screens and voice control. Nowadays, people use computers to do a lot some experts think the computer mouse may of things every day, like searching for disappear in the future. However, some people information and sending e-mails. But none of think it will still have a market. them would go well without the computer 23~27题简略回答问题。 mouse. 23. When did the first computer mouse The first computer mouse appeared in come out? 1964, invented by Douglas Engelbart. It was mainly made up of a wooden"house", a circuit (电路) board and two metal wheels. Engelbart 24. How did Bill English improve the mouse? called his invention the "Bug”. But the long “tail" on the back made it look like a mouse, so the name became well-known soon. 25. What was the problem with the "Ball Eight years later, Bill English, an Mouse"? American computer engineer, developed the mouse further. He changed the wheels into a rolling(滚 动 的)ball at the bottom of the 26. Why wasn't the optical mouse widely used? mouse. The “Ball Mouse" was easier to use and could be found in lots of offices. It had its problems, though. For example, the ball 27. 新考向:开放性问答 Do you think the became dirty easily from rolling round the mouse will disappear in the future? Why or desktop. The dirt had to be often cleaned out to why not? keep the ball running well disadvantages led The to the nextLesson 18 Friendship Between Animals 【通能力】 【通基础】 III.11~15 DABBC 16~20 DBABA I.1.skin 2.friendship 3.relationship 4.warns 【拓展练习】 5.survive 21.Because they can work faster than man and 【通能力】 make fewer mistakes. Ⅱ.6.In1898. 22.Yes,Ido.Because it can help me a lot..(答案 7.By giving an alarm call,sending loud noise, 不唯一) moving tails,standing back high,dancing in V.23.In1964. groups,and touching friends. 24.By changing the wheels into a rolling ball at 8.It will give an alarm call for the other monkeys the bottom of the mouse. to climb into the trees. 25.The ball became dirty easily from rolling 9.They will touch their noses. round the desktop and the dirt had to be often 10.I think it's necessary.Because we can know cleaned out to keep the ball running well. more about and protect the nature./I think 26.Because it was too expensive. it's meaningless.Because it wastes too much 27.Yes.Because of the rise of touch screens and money..(答案不唯一) voice control technology.(合理即可) 语法专题 Lesson 20 A Computer Helps! I.1.any 2.any 3.some 4.any 5.any 【通基础】 Ⅱ.6~10 BAACC I.1.entering 2.hide 3.key 4.topics IlI.11.won't;any 12.have some 13.doesn't eat 5.search any 14.Do;any 15.don't do any 【通能力】 写作专题 II.6.speaking 7.chatted 8.over One possible version: 9.invented 10.talking 11.an 12.her The Animals We Should Protect 13.cousins 14.Luckily 15.herself 16.happier Do you know about any endangered animals? 17.expression 18.for 19.up 20.talks Why are they in danger? Ⅲ.21~24BDAC I think there are many endangered animals in the IV.25.What did you do during the Spring Festival? world,such as tigers and pandas.When people cut 26.What is the new way of traveling? down trees,tigers can no longer hide and hunt.Many 27.We can choose the places we like to travel. tigers are killed by people who want to sell their fur 28.I can't wait to have a try. for money.And there are few places where pandas can 29.Have a good time! live. Lesson 21 Books or Computers? We are not alone in the world.We human beings 【通基础】 could not live without all the plants and animals I.1.modern 2.press 3.appear around us.So protecting wild animals is very 4.electronic 5.sells important.We must take measures to keep plants II.6.kept on 7.passed on 8.by hand from being destroyed and stop animals from being 9.printing press 10.Write down killed.If each of us can plant a tree and build a bird 【词汇串记】 house,the world will be more beautiful.It is very 11.technology 12.inventions 13.electronic easy but useful. 14.search 15.appear 16.to do 素养提升专题 【通能力】 I.1~5 ADCCC 6~10 ACDBA Ⅲ.17~20CDDA Ⅱ.11-14DABC 【语篇解构】 Unit 4 The Internet Connects Us 21.1960s 22.large and expensive 单元知识清单 23.government 24.easier 25.Millions of 【词汇拓展】 26.the most important 1.exit 2.disappear 3.electric 4.buy 5.simply Lesson 22 Travel on the Internet 6.disadvantage 7.least 【通基础】 【重点句型】 I.1.blessings 2.received 3.pyramids 1.How;help 2.If;can 3.It took:to 4.how to 4.surprised 5.being 5.too much;is harmful to II.6.in front of 7.in surprise 8.received Lesson 19 How Do You Use the Internet? 9.will come true 10.dreams of 【通基础】 【通能力】 I.1.on 2.by 3.with 4.in 5.With Ⅲ.11~15 ACBCB Ⅱ，6.tablet7.technologies8.invitation IV.16.It is a new way to relax ourselves. 9.keyboard 10.industry 17.A computer.