Unit 4 Lesson 21 Books or Computers？-【绿卡初中创新题】2024-2025学年八年级下册英语同步教案(冀教版)

Unit 4 The Internet Connects Us 课时 第21课时 Open Books or Computers? 课型 新授课 教学目标 【知识与技能】 1.能掌握下列词汇： press; appear; modern; electronic; sell 2.能掌握下列短语： pass on; by hand; printing press; keep on. 3.能掌握以下句型： (1) In ancient times, there were no books, and people passed on their knowledge by telling stories. (2) It was also possible for common people to read books. (3) No matter what you have, a computer, a tablet, a laptop, an e-reader or a real book, keep on reading. 【情感、态度与价值观】 该部分主要讲述了图书从无到有的发展过程，以及网络化时期电子书的发展对人们的阅读带来的影响。要求学生能理解该短文语言，了解图书的发展历史，并能用英语简单地描述各个时期图书的特点。激励学生尊重知识，爱护图书，养成热爱阅读的好习惯。 教学重点 学习并积累一些与图书、科技发展等相关的词汇和表达。 教学难点 能用英语简单地描述各个时期图书的特点。 教学准备 教师：音频、课件。 教 学 过 程 Step 1: Revision 建议：检查上节课作业，并简要概括上节课所学。 Step 2: Lead­in 建议：通过展示图片的方式引导学生自由讨论，将话题引入图书的发展历程。 For example: (1) How many books have you read this year? (2) Do you read e-books? Do you like them? (3) Do you know the four great inventions of ancient China? (4) Do you know how people in ancient times passed on their knowledge without books or paper? Now people can get knowledge by reading books. Step 3: Presentation 建议：通过图片展示的方式带领学生学习本课新词。 Step 4: Drill 建议：针对所学单词进行及时的练习。 (1) My father is reading an __________ book. (2) The sun __________ in the east each day. (3) The store __________ many kinds of things. Answers: electronic; appears; sells Step 5: Reading and answering 建议：读课文，回答问题。 For example: 1. How did people pass on their knowledge without books in ancient times? 2. How did people write books in ancient times? 3. What made it possible to print books quickly? 4. What kind of books quickly changed people’s reading habits? Answers: 1. By telling stories. 2. They wrote each word by hand. It took a long time to write just one book. 3. The printing press. 4. The electronic books (e-books). Step 6: Reading and ordering 建议：读课文，排序号。(Let’s Do It! No. 2) The History of the Book It took a long time to write just one book. It made it possible for common people to read books. The e-book appeared. People had no books, and they shared knowledge by telling stories. The printing press appeared. People download books from the Internet. With paper, people began to write down stories. Answers: 3—5—6—1—4—7—2 Step 7: Reading and filling 建议：读课文，填信息。（Let’s Do It! No. 3） For example: Paper With paper, people began to write down their stories. People wrote each word by 1.__________. It took a 2. __________ time to write one book. 3. __________couldn’t travel far. Printing press When the printing press 4. __________, it changed the world. The 5. __________ printing press can print books 6. __________, and makes it possible for the 7. __________ person to have easy access to books. Internet 8. __________ and the Internet changed the world. They made it possible for a new kind of book: the 9. __________ books. Traditionally books could only be bought and sold at a store, but today you can buy and 10. __________ books 11. __________. Answers: 1. hand; 2. long; 3. Information; 4. appeared; 5. modern; 6. quickly; 7. common; 8. Computers; 9. electronic; 10. sell; 11. online Step 8: Language Points 1. In ancient times, there were no books, and people passed on their knowledge by telling stories.在远古时代没有书，人们通过讲故事传递知识。　 (1) pass on意为“传送；前进”。 pass on the ball 传球，pass on knowledge传递知识 辨析：pass 与past (2) by介词，意为“通过”。by doing sth.意为“通过做某事”。 My sister learns English by listening to English songs. 我姐姐通过听英文歌曲学习英语。 (3) no adj. 没有，无 句法分析：“no+可数名词复数/不可数名词”相当于“not any+可数名词复数/不可数名词”；“no+可数名词单数”相当于“not a / an+可数名词单数”。 特别提醒：当“no+名词”作主语时，谓语动词的单复数要与no后面的名词保持一致。 No news is good news. 没消息就是好消息。 No words are able to express my feelings.我的感情是无法用言语表达的。 2. Later, people learned how to write and make paper. how to write 怎样书写 特殊疑问词+动词不定式结构 在此结构中，疑问词可用疑问代词who、which、what等和疑问副词when、where、how等。 I want to know how to improve my spoken English. 我想知道怎样提高我的英语口语。 3. They wrote each word by hand.他们用手写下每一个字。 by hand是固定短语，意为“用手；手工”，表示方式。 My mother made the cake by hand. 我母亲自己动手做了这个蛋糕。 I like the beautiful sweater by hand. 我喜欢这件手工编织的漂亮毛衣。 4. It took a long time to write just one book! 仅写一本书就要花费很长时间！ “It takes (sb.) some time to do sth.”是固定句型，意为“（某人）花费多少时间做某事”。 It usually takes me about half an hour to practise playing the piano. 我每天大约花费半小时练习弹钢琴。 How long did it take you to get to Beijing by train yesterday? 你昨天乘火车去北京用了多长时间？ 辨析：cost, spend, take与pay 5. Then, the printing press appeared and changed the world.后来，印刷机出现并改变了世界。 appear不及物动词，意为“出现；呈现；来到”。 A bird suddenly appeared at the window. 一只鸟突然出现在窗口。 拓展：appear还可以作连系动词，意为“显得；看起来”，后面可接形容词作表语。 She appeared happy. 她显得很高兴。 6. It is easier for people to buy and sell books online. sell v. 卖；出售(sold / sold) 常用短语：sell well 卖得好；畅销(不用于被动句) sell out/be sold out 售完 sell sb. sth.=sell sth. to sb. 把某物卖给某人 I want to sell the car. 我想卖掉这辆小汽车。 He sold the old car to me for 500 yuan. = He sold me the old car for 500 yuan. 他以五百元的价钱把那辆旧的小汽车卖给了我。 7. With modern technology, it was possible to print books quickly.通过现代科技，快速印刷图书成为可能。 “It +be +形容词（+for sb.）+ to do sth.”是固定句型，意为“（对于某人来说）做某事是……的”。it位于句首作形式主语，后面的动词不定式短语是句子真正的主语。 It’s important to protect animals in danger. 保护濒危动物很重要。 It’s not easy for my grandfather to learn to play the piano. 对于我祖父来说，学习弹钢琴并不容易。 8. No matter what you have, a computer, a tablet, a laptop, an e-reader or a real book, keep on reading! 无论你有什么，台式电脑、平板电脑、笔记本电脑、电子阅读器或一本真正的书，坚持读下去！ (1) no matter意为“无论；不管”，常与what, who, when, where等连用。 No matter what you do, be careful! 无论你做什么，要认真！ No matter who comes, don’t open the door. 无论谁来，都不要开门。 (2) keep (on) doing sth.意为“一直做某事；反复做某事”。 Keep (on) trying, and you will make progress. 不断努力，你就会取得进步。 Step 9: Work in groups 建议：让学生分组练习，轮流用中英文提问，以熟记以下短语。 1. pass on 传递 2. in ancient times 在远古时代 3. begin to do sth. 开始做某事 4. write down 写下；记下 5. by hand 手工 6. a kind of 一种 7. a way to do sth. 做某事的方法 8. no matter 无论 9. keep doing sth. 不断做某事 Step 10: Practice 建议：做练习，巩固课堂所学。 （一）用所给单词的适当形式填空。 1. Leave the building __________(quick) when the ground stops shaking. 2. Our country is getting stronger and __________(strong). 3. I’ve got a new camera, but I don’t know how __________(use) it. 4. Let me tell you some good ways __________(learn) English. 5. The teacher keeps __________(tell) his students the importance of hard work. 6. It will take us two hours __________(get) there by bus. Answers: 1. quickly　2. stronger　3. to use　4. to learn　5. telling　6. to get （二）连词成句。 1. the, no, there, library, in, were, books, paper ________________________________________________. 2. Internet, the, with, faster, information, travels, faster, and ________________________________________________. 3.takes, it, homework, hour, to, my, me, about, an, do ________________________________________________. 4.by, do, to, know, you, a, hand, book, how, make ________________________________________________? 5. e-books, interesting, it, to, is, read ________________________________________________. Answers: 1. There were no paper books in the library 2. With the Internet, information travels faster and faster 3. It takes me about an hour to do my homework 4. Do you know how to make a book by hand 5. It is interesting to read e-books Step 11: Summary 建议：总结本课所学词汇、短语、语法及谈论发展演变的句子。 1. The new words and expressions： press; appear; modern; electronic; sell; pass on; by hand; printing press; keep on. 2. Important sentences： (1) In ancient times, … (2) Later, … (3) Then…appeared and changed… (4) Recently, …changed…again. (5) Nowadays, … 课堂作业 1．口头作业：朗读课文和熟读单词。 2．书面作业：你平时有什么样的读书习惯，喜欢看纸质书还是电子书？请用英语写一篇短文。 板书设计 Unit 4 The Internet Connects Us Lesson 21 Books or Computers? 1. The new words and expressions： press; appear; modern; electronic; sell; pass on; by hand; printing press; keep on. 2. Important sentences： (1) In ancient times, … (2) Later, … (3) Then…appeared and changed… (4) Recently, …changed…again. (5) Nowadays, … 教学反思 该课程主要讲述了图书的发展历程。首先通过自由讨论的方式导入本课话题“图书”，接着通过讲解本课新词汇，让学生对课文有了大致的了解，接着通过细致的阅读，对文中各部分的词汇和语法进行了多题型练习。重点在语言点的讲解，使学生对单词、短语、句型及重要语法有了全面的掌握，再通过分组练习和巩固练习，使其对本课的知识点把握进一步加深。最后通过布置作业使学生在课后保持与本课知识点的连结，进一步提升了其口头表达能力和写作水平。 学科网（北京）股份有限公司 $$