初中英语冀教版八年级下册Lesson 23 The Internet--Good or Bad?教学ppt课件

这是一份初中英语冀教版八年级下册Lesson 23 The Internet--Good or Bad?教学ppt课件，共41页。PPT课件主要包含了Lead in，coin，advantages， ，advantage，simple，Exercises，harmful，causes，汉译英等内容，欢迎下载使用。

Key wrds & phrases:advantage, disadvantage, simple, cin, cause, less, aside, attack, web, steal, banking, prperly, in secnds, far away, aside frm, take upKey sentences:1. Peple are able t cnnect and share infrmatin in secnds.
Learning Targets
2. It helps us get things dne mre quickly.3. And if a friend lives far away, the Internet makes it easy t stay in tuch. 4. But every cin has tw sides.5. Spending t much time nline is harmful t peple’s health.
6. It may even cause them t be less scial with family and friends.7. Aside frm that, sme peple attack the web…8. The Internet can be a useful tl, but dn’t let it take up all f yur time.
What d yu d n the Internet ? Des the Internet make life simple?
Where d these students live?They live in Africa. With the Internet, we culd meet them in secnds.
What’s this?It’s the Suth Ple. It’s far away frm us .But the Internet can even take us there.
I have a friend in America .The Internet make it easy fr me t stay in tuch with her.
We need many things in life .But I dn’t like t g utside ,the Internet can get it dne quickly .
Every ____ has tw sides. Everything has tw sides( _________r ____________), s is the Internet.
disadvantages
Advantages (优点 优势）
In many ways the Internet makes ur life easy and simple.
Spending t much time nline is harmful t peple’s health.
Disadvantages:
It may cause peple t be less scial with family and friends
Aside frm(除此以外) that, Sme peple attack the web r steal thers’ persnal infrmatin, even banking infrmatin.S we must use the Internet prperly.
advantagedisadvantagesimplecincauseless
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
Wrds and expressins
asideattackwebstealbankingprperly
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
in secnds far away aside frm take up
在很短的时间内遥远除此之外占用，占据；开始从事；接受（提议）
Why are sme parents wrried abut their kids using the Internet?Des the Internet make life simpler? Hw?
THINK ABOUT IT
Read the lessn and fill in the table.
1. It makes life easier and simpler.
1. Spending t much time nline is harmful t peple’s health.
Let’s D It!
Presentatin
2. It helps us get things dne mre quickly.3. It pens up the wrld t us.4. It is easy t stay in tuch with friends.
2. It causes them t be less scial with family and friends.3. Sme peple attack the web r steal thers’ persnal infrmatin.
Listen t the dialgue and tick the crrect answers.What are Li Ming and Wang Mei talking abut? Their schl prject. Their hmewrk.
2. Why des Wang Mei think the Internet is gd? She can chat with her friends easily. She can watch TV prgrams.3. Li Ming thinks they shuld use the Internet_______. carefully and freely prperly and carefully
The fllwing are the things yu can d n the Internet. Tick the nes that yu think are OK fr junir high students and give yur reasns.
E-mail with friends and family.Chat nline with friends.Dwnlad dcuments frm strangers.Write blgs.E-mail with strangers.
Open attanchments frm strangers.Send, receive r pst phts with friends.Play nline games fr a whle day.Dwnlad prgrams.Stay nline after 10:00p.m.
1. Peple are able t cnnect and share infrmatin in secnds. be able t d 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culd两种时态，没有人称变化。
Language pints
例：Can yu cme tmrrw? 明天你能来吗？ He said that we culd g there by bus. 他说我们可以乘公共汽车去那里。 Will yu be able t cme tmrrw? 明天你能来吗？ I’m able t d the wrk all by myself. 我能够独立做这项工作。
in secnds 短时间内；几秒钟之内 Yu press a buttn and it cmes n in secnds.你只要触摸按键，它就会在几秒内启动。
2. It helps us get things dne mre quickly. get sth. dne “完成，做完某事”，通常由自己完成。此外，get/have sth. dne还有“让某人做某事”的意思。例：I am ging t get/have my hair cut. 我要去剪发。
3. And if a friend lives far away, the Internet makes it easy t stay in tuch. “make+ it+ adj. (+fr sb.) +t d”意为“使做某事变得……”。例：The teacher tried t make it interesting fr the students t 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；在远处例：Suddenly they seem t be hearing smething frm far away. 突然，他们似乎听到什么声音从远处传来。 I finished cllege and live far away frm her. 我完成了大学的学业，住得离她很远。
4. But every cin has tw sides. 此句直译为“每个硬币都有两面”。在写作时，一般作名言使用。例：As we knw, every cin has tw sides. 正如我们所知道的，凡事都有两面性。 Every cin has tw sides, s des the Internet. 凡事都有两面性，因特网也是如此。
5. Spending t much time nline is harmful t peple’s health. be harmful t 对……有害处例：Smking can be harmful t yur health. 吸烟会对你的身体有害。 Fruit juice can be harmful t children’s teeth. 果汁可能损坏儿童的牙齿。
6. It may even cause them t be less scial with family and friends. 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。例：Smking can cause lung cancer.吸烟可引发肺癌。What caused her t cry?是什么使她哭了?
7. Aside frm that, sme peple attack the web…aside frm 除……以外 例：Aside frm headaches, he shwed n signs f lasting brain damage. 除了头痛，没有任何迹象表明他曾受过脑损伤。
8. The Internet can be a useful tl, but dn’t let it take up all f yur time. take up 占用（时间）；占据（空间） 例：The table takes up t much rm. 这张桌子太占地方。 I wn’t take up any mre f yur time. 我不再占用你的时间了。
一、根据汉语意思完成句子。
In this ecnmy yu need every __________ (优势).2. The prblem is by n means as _______ (简单的) as we first thught.3. This may all seem like a distant dream, but it is nt s _____ _______ (遥远的).
far away
4. Yu can cntact infrmatin s yu can ______ ____ _______(保持联系). 5. As a ppular saying ges, every_____ (硬币) has tw sides. 6. Televisin can als be__________ (有害的) t us.
stay in tuch
7. What _______ (导致) the illness?8. He ______ ____(占用) t much time t play cmputer games every day.9. ______ _____ （除此之外）being fun and gd exercise, swimming is a very useful skill．
takes up
Aside frm
整个操作在数秒钟内完成。The whle peratin was ver in secnds.2. 我们会坚持不懈，直到这项工作完成。 We will stay n it until we get the jb dne. 3. 请记住一切都有对立面。Please remember that every cin has tw sides.
4. 练习使学好英语变得容易。Practice makes it easy t learn English well.5. 花太多时间玩电脑对孩子的眼睛有害。Spending t much time n playing cmputer games is harmful t children’s eyes.6. 别让睡觉占用你太多的时间。Dn’t let sleep take up t much f yur time.
1. Learn sme new wrds and expressins.2. Be able t understand the passage abut the Internet.3. Learn sme useful wrds and expressins abut the advantages and disadvantages f the Internet.