8A U3 Computer factsWriting Using computersQuiz before class (课前检测)Complete the following sentences: (12 points)1.你可能意识不到他们：You may _ _ _ them.2.你对电脑的依赖超出你的想象：You _ _ computers _ _ you realize.3.他们能以比我们快的速度运算而且几乎不出错。They can _ _ a faster _ than we can and almost never give wrong answers.4.电脑能改善我们的生活吗？Will computers _ our lives _ ?be unaware ofdepend onmore thancalculate atspeedmake betterwatch films.talk with friendslisten to music .Check: What can we use computers to do? We can use computers to calculate.We can use computers to _, _ and _.study online.go shoppingplay computer games.Check: What can we do with computers? We can type with computers.We can _ _and_ with computers.send emails.send emails.Check: What can computers do? Computers can do important jobs like operating railways and flying planes.Computers can do important jobs like_ _ and _.Control TVoperate robotsComputers are very _. useful/importantWhat do you think of computers? Computers _ our livesare changing make better Can you make it better?使用电脑做： 1. use computers _ do 2. use computers _ doing 3. do sth _ computers 4. computers can do lots of jobs like_(do)toforwithdoingComputers are useful .We can use computers to send emails.We can use computers to listen to music.We can use computers to shop online. They _ our livesWrite your modification(修改稿) on the answer sheet. We can use computers to _, _ and _.Computers can do a lot of things, like_, _ and _.We can with computers. Computers are very useful to us. They are changing our lives. We can use computers to send emails, listen to music and shop online. We can also study and meet friends with computers. In addition, they help us do many important jobs like operating TV and washing machines.Possible modification(修改稿)Are computers always good for us? Sometimes they also bring us problems. Sallys view point（观点）: Its not a good idea to use computers for_ Reasons : First of all, not all the information _the Internet is _ . Second, _ computers too much can be _ to your _. At last, you can find everything you need in the _.Listen and make notesstudyingontrueusingharmfuleyeslibraryWe shouldnt _ for too long. It is _ for _We should_ every half an hour. bad have a rest surf the internet our eyes and brainsWe shouldnt Its too.dangerous.make friends with strangers on the Internet believe the rumors (谣言) .Should we encourage students to use computers ? Lets have a debate (辩论)Rules :1. Odd(奇数) number groups for the view. Even(偶数)number groups against the view2. A student from each group should write at least 1 idea on the blackboard after discussion in groups.3. 3 points for each idea. The more, the better.4. Two students from different parts to make presentations(陈述观点) according to the ideas of your part. Sally: Are you studying with a computer? SA: Yes I am. Do you like studying with it? Sally: No. It is not a good idea. First of all, not all the information on the Internet is true. SA: I dont think so. I can _. Sally: Besides, using computers too much can be harmful to your eyes. SA: But I _. Sally: In addition, you can find everything you need in the library. SA. No I dont agree. _ Can you say something against Sally?Useful expressions使用电脑做： _ computers _ do = _ computers _ doing = _ sth _ computers 我们不应该长时间上网：We shouldnt _ for_网上和陌生人交友很危险。It is _ for us to _关于“转折”的表达法：1._2._3._ use touse fordo withsurf the Internettoo longdangerousmake friends with strangers on the netbuthoweveron the other hand; At the same timeWritingUsing computers 1. 短文字数 80词左右。 2. 内容包括以下内容： 1）写出至少三条我们可以使用电脑做的事情。 2） 列出至少两条我们不可以使用电脑做的事情。 3). 合理的开头和结尾。 Structure of your composition Beginning Body EndingGive a general introduction of computers.What can we use computers to do?What shouldnt we do with computers?Draw a conclusion.WritingUsing computersCheck in groupsNo. 4 write your remark on “Handwriting”No. 3 count key points and write your remark. 2 correct grammatical mistakesNo. 1 help group members polish(美化) sentences Computers are very useful to us. They can do a lot of things like sending emails, listening to music and watching movies. We can also shop online such as buying books and CDs. They are much cheaper than those on the bookstores. However, we cant surf the internet for a long time. Its harmful to our eyes and brain. We should have a rest half an hour. At the same time, it is too dangerous for us to make friends with strangers online, so we must be careful when chatting with strangers on the net. For safety, we should use computers in a right way. Possible version(参考范文）