Unit 4 The Internet Connects Us Lesson 23 The Internet-Good or Bad示范公开课教学课件【八年级英语下册（冀教版）】.ppt

Lesson 23 The Internet-Good or Bad?,Unit 4 The Internet Connects Us,Objectives of the study,To understand the passage about the Internet. 2. To learn some useful words and expressions about the advantages and disadvantages of the Internet.,New Words,advantage disadvantage simple coin cause less,n. 优势；有利条件 n. 缺点；不利因素 adj. 简单的；简明的 n. 硬币 v. 造成；引起 adj. &adv.更少/小的(地) n.较少量；较小的部分,New Words,aside attack web steal banking properly,adv. 除之外；在旁边 v. 袭击；损害 n. 网络；网 v.偷盗；窃取 n. 银行业 adv. 正确地,Read the lesson and fill in the table.,1. It makes life easier and simpler. 2. It helps us get things done more quickly. 3. It opens up the world to us. 4. It is easy to stay in touch with friends.,1. Spending too much time online is harmful to peoples health. 2. It causes them to be less social with family and friends. 3. Some people attack the web or steal others personal information.,Grammar,1. People are able to connect and share information in seconds. 几秒钟之内，人们 就能够相互联系并分享信息。

be able to do sth. 意为“能, 能够”，主要 指具体做某件事的能力，有人称和时态的 变化情态动词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 Can you come tomorrow? 明天你能来吗？,He said that we could go there by bus. 他说我们可以乘公共汽车去那里 Will you be able to come tomorrow? 明天你能来吗？ Im able to do the work all by myself. 我能够独立做这项工作 in seconds 短时间内；几秒钟之内 You press a button and it comes on in seconds. 你只要触摸按键，它就会在几秒内启动2. It helps us get things done more quickly. 它能使我们把事情做得更快 get sth. done “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 I got my homework finished. 我做完了作业。

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. 如果朋友住得很远，互联网使相互联系变 得容易 “make+ it+ adj. (+for sb.) +to do”意为 “使做某事变得” The teacher tried to make it interesting for the students to learn math. 老师尽力使数学对学生们来说学起来有趣far away 遥远的；在远处 Suddenly they seem to be hearing something from far away. 突然，他们似乎听到什么声音从远处传 来 Some jobs are far away, in another province. 有些工作地点遥远，在另一个省份 I finished college and live far away from her. 我完成了大学的学业，住得离她很远。

4. But every coin has two sides. 但是任何事物都有两面 此句直译为“每个硬币都有两面”在写 作时，一般作名言使用 As we know, every coin has two sides. 正如我们所知道的，凡事都有两面性 Every coin has two sides, so does the Internet. 凡事都有两面性，因特网也是如此5. Spending 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 be harmful to 对有害处 Smoking can be harmful to your health. 吸烟会对你的身体有害 Fruit juice can be harmful to childrens teeth. 果汁可能会对儿童的牙齿有害6. It may even cause them to be less social with family and friends. 它甚至会导致他们与家人和朋友较少来往 cause意为“造成，使(发生)”，其后可直接 跟造成的结果或发生的事情作宾语，也可 跟双宾语或接动词不定式复合结构作宾语。

Smoking can cause lung cancer. 吸烟可引发肺癌 The cold water caused the plant to die. 冷水导致了植物的死亡 What caused her to cry? 是什么使她哭了?,7. Aside from that, some people attack the web除那之外，一些人还攻击网站 aside from 除以外 Aside from headaches, he showed no signs of lasting brain damage. 除了头痛，没有任何迹象表明他曾受过脑损 伤 Aside from learning about unconditional love, they also learn responsibility and respect. 除了从中学习无条件的爱，他们还能够学习 责任感和尊重8. The Internet can be a useful tool, but dont let it take up all of your time. 互联网可能是一种有用的工具，但不要让它 占据你所有的时间。

take up 占用（时间）；占据（空间） The table takes up too much room. 这张桌子太占地方 I wont take up any more of your time. 我不再占用你的时间了Time for Reflection,in seconds far away aside from take up Every coin has two sides.,在数秒内 遥远的；远离 除之外 占据 任何事物都有 两面性,Translate the following sentences.,整个操作在数秒钟内完成 The whole operation was over in seconds. 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 job done. 3. 请记住一切都有对立面 Please remember that every coin has two sides.,4. 练习使学好英语变得容易 Practice makes it easy to lean English well. 5. 花太多时间玩电脑对孩子的眼睛有害。

Spending too much time on playing computer games is harmful to childrens eyes. 6. 别让睡觉占用你太多的时间 Dont let sleep take up too much of your time.,Goodbye！,敬请各位老师提出宝贵意见！,Thank you.,。