Unit 4Lesson 21教学案 2024-2025学年冀教版八年级英语下册

冀教版八年级英语下册学科教案 备课人： 修订人：_______ 审核人：______ 第_____课时 Date:_________ Units Unit 4 Class Teacher Title Lesson 21 Books or Computers ? Competence Abilities · New words: press ,appear, modern, electronic, sell, hide · Key structures: pass on, make paper, by hand ,the printing press Teaching key points 1.no matter what ,it's +possible for sb. to do sth. , keep on doing Teaching difficult points Talk about the importance of Books and computers. Teaching methods Listening，Speaking Reading Practicing Learning method Listening, speaking, reading, discussing, practicing，writing Teaching resources PPT ,A tape recorder ，Electronic whiteboard Teaching process and design Design intent Main steps 一.预习检测环节 Ⅰ.词汇检测 1. 知识________(n.) ___________(adj.) 2.story ________（pl） 2. take_______ (v-ing）________ (p.)___________(p.p) 3. easy______(-er)______ (-est)________（adv.） 4. far_______/_______(-er)_________/__________(-est)_______(反义词） Ⅱ.单词训练 1. A computer is a useful _______ (机器). 2. There are two ________ (印刷) presses in our school. 3. What's the meaning of the second _________ (段落) in the text? 4. ________ (哪一条) way shall we go? 5. I bought a book about _______ (现代的) history yesterday. 二.先学环节 Ⅰ. Listening and writing 1. In ancient times, there were no books, and people P________ on their knowledge by ______ stories. 2. The printing press __________ and changed the world. Ⅱ.Reading and answering 1.How did people write books in ancient times？ 2.What made it possible to print books quickly? 3.What kind of books quickly changed people’s reading habits? III. Reading and finding out　 1.在古代 2.传递 3.讲故事 4.靠手工 5.印刷术 6.普通人 7.改变某人的阅读习惯 8.网上买卖书籍 9.传播的又快又远 10.远不管什么/无论什么 11.继续做某事 12.数以千计的 Ⅴ. Practice in class 1. 这封信是手写的。The letter was written ____ _____. 2. I am going to _____this old car, and buy a new car. 我打算卖掉这辆旧车，再买辆新车。 3. 这本书有很多的新信息。The book contains much new ____________. 4. He _____ _____ working until midnight though he was tied. 尽管他累了但还是继续工作到深夜。 三.后教环节 （Language Points） 1.keep on doing sth. 继续做---- 2. take/spend/cost/pay ：花费 1　 It takes sb.+s.t/s.m to do sth. 2　 Sb. spend s.t/s.m on sth. / Sb.spend s.t/s.m (in) doing sth. 3　 sth. cost sb. s.t/s.m 4　 Sb. pay for sth. /Sb. pay s.m for sth. · She ______ all her money on the house 5 years ago. · The shirt______ me ten dollars. · He ______ 5 dollars for the book last Sunday. · It ______ me two hours _____(walk ) to school yesterday. · Linda ________ 20 minutes _______ stories every night . · If you keep on 四.训练环节 1. The boy kept （read）books for two hours. 2. （thousand）of people died in the disease. 3. The Internet is （important）than the printing press. 4. We can find information （quick）on the Internet. 5. It is necessary for us （learn）English well. 预习检测 当堂过关 单词过关 即学即练夯实基础 听读课文 掌握大意 速读课文 问答训练 培养听说 精读课文 识记短语 当堂反馈 课堂内化 重点短语 即学即练 当堂达标 解析重点 边学边练 类比异同 理解记忆 当堂训练 巩固提升 Exercises In ancient times, there were no books, and people ____on their knowledge by ____ stories.Later , people learned how to_____ and make paper.With paper, people ___ to write down their ____.They wrote each word ______. When The printing press ___________ and changed the world. With ______technology , it was possible to print books _____ and for common people __ ___books.E-books appeared and are changing people’s reading habit. It is ____ to buy and _____books online.Information travels_____ and _______.Nowadays people have many ways to ______ books.No matter _____you have, keep on r_______! Because reading makes you smarter and give you a wonderful ________! Home work For all students: 1. A+ B+ C :Copy and remember the words and phrases of 21 and preview L22. 2. A+B :Read L 20 and finish Lianxiche 3.C: Retell the passage. Blackboard design 1. Sb. spend s.t/s.m on sth. /Sb.spend s.t/s.m (in) doing sth. 2. sth. cost sb. s.t/s.m 3. Sb. pay for sth. /Sb. pay s.m for sth. 4. It takes sb.+s.t/s.m to do sth. reflection ( 1 ) 学科网（北京）股份有限公司 $$