八年级上lesson23.ppt

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1、1. Why are some parents worried about their kids using the Internet?2. Does the Internet make life simpler? How?Words & expressionsadvantagedisadvantagesimplecoincauselessn. 优势；有利条件优势；有利条件n. 缺点；不利因素缺点；不利因素adj. 简单的；简明的简单的；简明的n. 硬币硬币v. 造成；引起造成；引起adj. &adv.更少更少/小的小的(地地)n.较少量；较小的部分较少量；较小的部分Words & expre

2、ssionsasideattackwebstealbankingproperlyadv. 除除之外；在旁边之外；在旁边v. 袭击；损害袭击；损害n. 网络；网网络；网v.偷盗；窃取偷盗；窃取n. 银行业银行业adv. 正确地正确地Read the lesson and fill in the table.Good things about the InternetBad things about the Internet1. It makes life easier and simpler.2. It helps us get things done more quickly.3. It op

3、ens 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.1. People are able to connect and share info

4、rmation in seconds. be able to do sth. 意为意为“能能, 能够能够”，主要，主要指指具体做某件事的能力，有人称和时态的变具体做某件事的能力，有人称和时态的变化。情态动词化。情态动词can也表示也表示“能能,会会”，只有，只有现现在时在时can和过去时和过去时could两种时态，没有人两种时态，没有人称变化。称变化。Can you come tomorrow?明天你明天你能能来吗？来吗？He said that we could go there by bus.他说我们他说我们可以可以乘公共汽车去那里。乘公共汽车去那里。Im able to do the w

5、ork all by myself.我我能够能够独立做这项工作。独立做这项工作。in seconds 短时间内；几秒钟之内短时间内；几秒钟之内 You press a button and it comes on in seconds.你只要触摸按键，它就会你只要触摸按键，它就会在几秒内在几秒内启动。启动。2. It helps us get things done more quickly.它能使我们把事情做得更快。它能使我们把事情做得更快。get sth. done “完成，做完某事完成，做完某事”，通常由，通常由自自己完成。此外，己完成。此外，get/have sth. done还有还有

6、“让让某人做某事某人做某事”的意思。的意思。I got my homework finished.我做完了作业。我做完了作业。I am going to get/have my hair cut.我要去剪发。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如果朋友住得很远，互联网使相互联系变得容易。得容易。“make+ it+ adj. (+for sb.) +to do”意为意为“使使做某事变得做某事变得”。The teacher t

7、ried to make it interesting for the students to learn math.老师尽力使数学学起来有趣。老师尽力使数学学起来有趣。far away 遥远的；在远处遥远的；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突然，他们似乎听到什么声音从远处远处传传来。来。Some jobs are far away, in another province.有些工作地点有些工作地点遥远遥远，在另一个省份。，在另一个省份。4. But every coin has

8、 two sides.此句直译为此句直译为“每个硬币都有两面每个硬币都有两面”。在写。在写作作时，一般作名言使用。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。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。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在网上花太多的时间对对人

9、们的人们的健康健康有害。有害。be harmful to 对对有害处有害处Smoking can be harmful to your health.吸烟会吸烟会对对你的身体你的身体有害有害。Fruit juice can be harmful to childrens teeth.果汁可能果汁可能损坏损坏儿童的牙齿。儿童的牙齿。6. It may even cause them to be less social with family and friends.cause意为意为“造成，使造成，使(发生发生)”，其后可直接，其后可直接跟造成的结果或发生的事情作宾语，也可跟造成的结果或发生的事

10、情作宾语，也可跟双宾语或接动词不定式复合结构作宾语。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。吸烟可引发肺癌。What caused her to cry?是什么使她哭了是什么使她哭了?7. Aside from that, some people attack the webaside from 除除以外以外 Aside from headaches, he showed no signs of lasting brain damage.除了除了头痛，没有任何迹象表明他曾受过脑损头痛，没有任何迹象表明他曾受过脑损伤。伤。

11、 8. The Internet can be a useful tool, but dont let it take up all of your time.take up 占用（时间）；占据（空间）。占用（时间）；占据（空间）。The table takes up too much room.这张桌子太这张桌子太占占地方。地方。I wont take up any more of your time.我不再我不再占用占用你的时间了。你的时间了。 Lets do it Some people say that the internet is good for students. Others

12、 say it is bad. What do you think? Debate this question with a partner. Remember to tell as many facts as possible! in seconds far away aside from take up Every coin has two sides.在数秒内在数秒内遥远的；远离遥远的；远离除除之外之外占据占据任何事物都有任何事物都有两面性。两面性。注：另附注：另附word文文档，点此链接档，点此链接Fill in the blanks with correct words.1. In

13、this economy you need every _ (优势优势).2. The problem is by no means as _ (简单的简单的) as we first thought.3. This may all seem like a distant dream, but it is not so _ _ (遥远的遥远的). 4. You can include contact information so you can _ _ _(保持联系保持联系). advantagesimplefar awaystay in touch5. As a popular saying

14、 goes, every_ (硬硬币币) has two sides. 6. Television can also be_ (有害有害的的) to us. 7. What _ (导致导致) the illness?8. He _ _(占用占用) too much time to play computer games every day.9. _ _ being fun and good exercise, swimming is a very useful skill coinharmfulcausetakes upAside fromHomeworkWrite a passage to talk about the advantages and disadvantages of the Internet. (50-100 words)