沪教牛津版初二英语上册第三单元Unit3 Computers知识点总结单词短语习题教案Word文档下载推荐.docx

1、how often 多久一次be short of 缺少 重点句型1. What were the first computers like?最初的计算机怎么样2. What do you think of the computers, Frank?弗兰克，你认为计算机怎么样？3. How much time do you spend playing computer games every week?每周你花多少时间玩电脑游戏？ 课文翻译Smaller and betterIn the1940s, the first computers were bigger than cars. Now

2、computers are becoming smaller and better.Some computers are tiny. You may be unaware of them. There is probably one inside your TV or washing machine. You depend on computers more than you realize.What can we do with computers?We can use computers to calculate. They can calculate at a faster speed

3、than we can and almost never give wrong answers. We can also type and draw things with them. In addition, computers can do important jobs like operating railways and flying planes and spaceships.Is a computer cleverer than me?The answer is “No”. Your brain can produce new ideas but computers cannot.

4、 However, one day computers may be able to a better job than human beings. For example,they may be better than doctors at doing their job.What will happen to us if computers can do all our jobs? Will we have nothing to do?Computers may change our lives, but will they make them better?越小越好在20世纪40年代，第

5、一台计算机比汽车大。现在计算机变得越来越小，越来越好。有些电脑很小。你可能没留意到他们。你的电视机或洗衣机里可能有一个。你依赖计算机比你知道的更多。我们能用电脑做什么？我们可以用电脑来计算。他们能以比我们更快的速度计算，而且几乎从不给出错误的答案。我们也可以用它们打字和画东西。此外，计算机可以做重要的工作，如运营铁路，驾驶飞机和宇宙飞船。电脑比我聪明吗？答案是“不”。你的大脑可以产生新的想法，但计算机不能。然而，总有一天，计算机可以比人类更好地工作。例如，他们可能比医生做的工作更好。如果计算机能完成我们所有的工作，我们会怎么样？我们没有什么可做的吗？电脑可能会改变我们的生活，但会使生活更好吗？

6、 知识点解析1You neverseem to be short of pocket money.seem to be :似乎be short of :紧缺= not have enoughpocket money :零花钱2Inthe1940s,the firstcomputer were bigger than cars.in1940s :在19世纪40年代（指1940年-1949年）first :最初的，最早的3You may be unaware of them.be unaware of :没有意识到，没有察觉到。（dont know / dont notice）Eg: He was

7、 unaware of the danger ofshark attack.（反） be aware of :意识到，察觉到4Youdepend oncomputers more than you realize.depend on:依赖，依靠Dont depend on your parents all the time.5. What can we dowithcomputers?With:用6and almost nevergive wrong answer.give wrong answer.:给出错误的答案7In addition, :另外，此外。表示除了先前的内容的外，还有一些其它

8、的内容。In addition to :除了外（还）。后+名词/动词ing.Eg :We play football in addition to table tennis.我们除了打乒乓球外，还踢足球。8One day computers maybe able todo a better job than human beings.:=can .可以，能够9They maybe better than doctors atdoing their job.Be good at +doing sth,擅长于做某事Be better at +doing sth.更擅长于做某事10What will

9、 happen tous if computers can do all our jibs ?What will happen tosb.:某人将会发生什么事？11Will wehave nothing to do?have nothing to do: 无所事事= not have anything to do12.Thank you for attendingthis meeting.Thank sb. for+ doing : 因而感谢某人13.without stopping to drink,eat or sleep.Without +名词/动词ing.：没有14Stop to do

10、 sth.停下来去做什么事Stop doing sth.停止做什么事 Stop sb.fromdoing sth.15In the past :在过去（用一般过去时）16Thisis bad fortheir health.be bad for: 对有坏处17about the bad effect of playing computer games.Bad effects of +doing sth.做的坏影响18They will alsogive some advice onhow to use computers for studying,give someadviceon how t

11、o :给出一些在如何的建议。19.Stopstudentsfrom spendingtoo much timeplayingcomputer games .Stop sb.Spend +时间+doing sth.花多少时间做某事一 根据首字母填空1.The dress is too e for me to buy.2.If you want,we can o it for you.3.How does your bike c with mine?4.Do not worry ，everything s underc .5.All these waste materials can s for

12、money .6.The c offered the job to someone else.7.He drove off at high s .二 根据中文提示完成句子。1. 我期盼再与你工作. I with you again. 2. 他们觉得这是能让他们在朋友中变得受欢迎的很重要的方式They feel that this is important to their friends.3.你可能不太会注意到它。You are unlikely to it.4.他昨天发生车祸了。An accident him yesterday.5.他现在在医院做医生。He a doctor in this

13、 hospital.6.他除了英语之外,也会说法语He speaks French English.重点语法讲解【常考知识清单一】形容词的用法及位置说明人或事物的特征、性质或状态，常用来修饰名词或不定代词的词叫形容词。1作定语，放在名词之前，不定代词之后。Thebeautifulgirl is my sister.I havesomething importantto tell you.我有重要的事情告诉你。2作表语，放在系动词之后.Our school isbig and clean.I feltterriblethis morning.我今天早上感觉不舒服。3作宾语补足语，放在宾语之后。You must keep your eyesclosed.你必须闭上眼睛。I find ithardto travel around the big city.4.某些形容词放在定冠词之后，变成名词，表示一类人。常见词有good/bad, rich/poor, young/old, deaf/blind, black/white, living/dead等。The rich