冀教版八年级英语下册教案Unit4第5课时.pdf

第五课时Lesson 23The Internet Good or Bad？课时目标重点单词advantage n优势；有利条件disadvantage n缺点；不利因素simple adj.简单的；简明的coin n硬币cause v造成；引起less adj.& adv.更少 /小的 (地) n较少量；较小的部分aside adv.除之外；在旁边attack v袭击；损害web n网络；网steal v偷盗；窃取banking n银行业properly adv.正确地重点短语in seconds 在很短的时间内far away 遥远aside from 除此之外take up 占用，占据；开始从事；接受(提议 ) 重点句子1.People are able to connect and share information in seconds.人们能够在很短的时间内相互联系并分享信息2It helps us get things done more quickly. 它有助于我们把事情做得更快3And if a friend lives far away ，the Internet makes it easy to stay in touch. 如果一位朋友住得很远，互联网使得相互联系变得容易。

4But every coin has two sides. 但是任何事物都有两面性5Spending too much time online is harmful to peoples health. 在网上花太多的时间对人们的健康有害教学难点掌握文中的重要单词、短语和句子；能够写一篇有关网络优缺点的文章自主学习一、根据句意及汉语提示写出单词或用所给词的适当形式填空1This kind of new car has a lot of advantages(优点 )2We are not rich，but we live a happy and simple( 简单的 )life. 3The bad weather caused(造成 )lots of problems last winter. 4How many coins (coin) do you have? Are they enough to buy a book? 5We should use the Internet properly (proper) 二、写出下列画线短语的汉语意思1People are able to connect and share information in_seconds.在很短的时间内2And if a friend lives far_away ，the Internet makes it easy to stay in touch. 遥远3Aside_from that ，some people attack the web. 除此之外4The Internet can be a useful tool ，but dont let it take_up all of your time. 占用，占据教学过程环节 1新课导入T：Look at the picture and answer my question. T：Do you know where these students live? And why we can see them? S1：They live in Africa.Because of the Internet ，we can meet them in seconds. T：Where is this place? S2：Its the South Pole.Its far away from us.But the Internet can help us learn a lot about it. T：If your friend and you are not in the same school ，how do you contact? S3：The Internet makes it easy for me to stay in touch with her/him. . 设计意图： 通过展示图片并提问可以鼓励学生多说多思考，同时引出本课时所要学习的内容，为接下来的学习做好铺垫。

环节 2新课学习1让学生思考教材第58 页上方 “ THINK ABOUT IT ” 的两个问题，然后和自己的同桌讨论2让学生浏览一遍文章，了解文章的主旨大意3学生再次阅读文章并勾画出文中的重点单词、短语及句子，然后教师一一进行讲解4让学生仔细阅读文章，把网络的优缺点分别填写在活动1 的方框中 教师邀请学生分享自己的答案，然后全班一起核对答案5让学生浏览活动2 的问题，预测听力内容6教师播放活动2 的录音， 学生完成练习 教师请学生分享自己的答案，最后订正答案7让学生在活动3 中勾出自己认为初中生可以借助因特网做的事并给出理由8教师请学生分享自己的答案及看法，然后教师予以点评9要点点拨1)People are able to connect and share information in seconds. be able to do sth. 意为“能够做某事”，主要指通过努力而获得的能力，有人称和时态的变化例： Will you be able to come tomorrow ？明天你能来吗？【链接】情态动词can 也表示“能，会”，只有现在时can 和过去时could 两种时态，没有人称变化。

in seconds 短时间内；几秒钟之内例：You just need to press the button and it will start in seconds.你只须触摸按键，它就会在几秒内启动2)It helps us get things done more quickly. get sth.done 意为“完成 /做完某事 ” ，通常由自己完成此外， get/ have sth.done还有“让某人做某事”的意思例：I am going to get/have my hair cut. 我要去剪发3)And if a friend lives far away，the Internet makes it easy to stay in touch. “make it adj.(for sb.) to do sth.”意为“使做某事(对某人来说 )变得”例：The teacher tried to make it easy for the students to learn math. 老师尽力使数学对学生们来说学起来容易10学以致用汉译英 ) (1)我能够独立做这项工作。

Im able to do the work all by myself. (2)我们会坚持不懈，直到这项工作完成We will stay on it until we get the work done. (3)练习使学好英语变得容易Practice makes it easy to learn English well. 设计意图： 通过做相应的练习题巩固学生所学的重难点知识，并让学生能够正确认识到网络的优缺点，合理地使用网络板书设计Unit 4The Internet Connects Us Lesson 23The InternetGood or Bad？advantagedisadvantage simplecoincauselessasideattackPeople are able to connect and share information in seconds. web stealbankingproperly in secondsfar awayaside fromtake up It helps us get things done more quickly. And if a friend lives far away ，the Internet makes it easy to stay in touch. 练习设计请完成本课对应训练！。