2018年高中英语 3.1 computers课件 新人教版必修2

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1、Unit 3 Computers,词海拾贝,难句剖析,理解诱思,【文章导语】Computers are playing an important part in our daily life,so we should know about some words about computers.This text tells you a few computer words. 电脑在我们的日常生活中起着重要的作用,因此我们应该了解一些电脑词语。这篇文章会告诉你几个电脑词语。,词海拾贝,难句剖析,理解诱思,Computer technology has become a major part of

2、 peoples lives.This technology has its own special words.One example is the word “mouse”.A computer mouse is not a small animal that lives in buildings and open fields.It is a small device that you move around on a flat surface in front of a computer.The mouse moves the cursor on the computer screen

3、.,词海拾贝,难句剖析,理解诱思,Computer expert Douglas Engelbart developed the idea for the mouse in the early 1960s.The first computer mouse was a carved block of wood with two metal wheels.It was called a mouse because it had a tail at one end.The tail was the wire that connected it to the computer. Using a com

4、puter takes some training.People who are experts are sometimes called hackers.A hacker is usually a person who writes software programs in a special computer language.But the word “hacker” is also used to describe a person who tries to steal information from computer systems.,词海拾贝,难句剖析,理解诱思,Another

5、well known computer word is Google.It is the name of a popular search engine for the Internet.People use the search engine to find information about almost any subject on the Internet.The people who started the company named it Google because in mathematics,googol,spelled g-o-o-g-o-l,is an extremely

6、 large number.It is the number one followed by one hundred zeros. When you “Google” a subject,you can get a large amount of information about it.Some people like to “Google” their friends or themselves to see how many times their name appears on the Internet.,词海拾贝,难句剖析,理解诱思,译文: 电脑技术已经成了人们生活的主要部分。这种技

7、术有它自己的独特用词。单词“鼠标”就是一个例子。电脑的鼠标不是一种生活在建筑物和开阔的田野里的小动物。它是一种小型装置,你在电脑前的一个扁平物体的表面来移动它。鼠标移动电脑屏幕上光标。 电脑专家道格拉斯恩格尔巴特在20世纪60年代早期产生了鼠标的想法。第一个电脑鼠标是一块有两个金属轮子雕刻的木板。它因为末端有一根尾巴而被称作鼠标。这根尾巴就是那根把鼠标和电脑连在一起的线。 使用电脑需要一些培训。那些精通电脑的人有时被称作黑客。黑客通常是一个会用电脑语言来编写软件程序的人。但是“黑客”这个词也被来描述一个试图从电脑系统窃取信息的人。,词海拾贝,难句剖析,理解诱思,另外一个为人们所熟知的电脑单词是

8、谷歌。它是一个受欢迎的网上搜索引擎的名字。人们使用这个搜索引擎来找到关于互联网几乎所有的主题的信息。创办这家公司的人们把它命名为谷歌,是因为在数学上googol是一个天文数字,是1后面跟着100个0。 当你“谷歌”一个主题时,你可以获得大量的关于它的信息。有些人喜欢“谷歌”他们的朋友和他们自己,看一看他们的名字在互联网上出现过多少次。,词海拾贝,难句剖析,理解诱思,device /dIvaIs/ n. 装置;设备 cursor /ks(r)/n. 光标 carve /kv/vt. 雕刻 hacker /hk(r)/ n. 黑客 search engine n. 搜索引擎,词海拾贝,难句剖析,理

9、解诱思,A hacker is usually a person who writes software programs in a special computer language. 译文:黑客通常是一个会用电脑语言来编写软件程序的人。 剖析:本句是一个复合句,其中who引导的是一个定语从句,修饰a person。,词海拾贝,难句剖析,理解诱思,1.Do you want to be a hacker? What kind of hacker do you want to be? 2.What do you think of the development of computer tech

10、nology? 3.What is the main idea of the second paragraph? A.Douglas Engelbart was a great inventor. B.The first mouse was made from wood. C.How the first computer mouse was invented. D.Why the mouse has a tail.,答案:Different students have different answers.,答案:Different students have different answers

11、.,答案:C,Section Warming Up,Pre-reading,Reading & Comprehending,一,二,三,四,五,六,七,一、写作词汇 预习Reading部分的词汇,完成下列小对话或语篇。 1.The river near our village is being polluted. Something must be done to (解决) the problem. 2.What do you think of the plan? (就个人而言),its not a good one. 3.He is kind to others. Thats right.

12、(结果),others are kind to him. 4.Many people think being rich is (幸福). But I dont think so.,solve,Personally,As a result,happiness,一,二,三,四,五,六,七,5.Li Hua is a college student and works (如此努力为的是)he can become a scientist.When he was a child,he became interested in science. (从那时起) he did his best to lea

13、rn about science.His (目标) is to fly to Mars and (探索) it.Though he faces different kinds of difficulty, (无论如何)he does what he can to make his dream come true.,so hard that,From then on,goal,explore,anyhow,一,二,三,四,五,六,七,二、阅读词汇 预习Reading部分的词汇,写出画线部分的汉语意思。 导学号02000024 With the development of technology

14、1. ,laptops 2. enter our lives.They can help us calculate 3. some difficult mathematical 4. problems.More and more people have their own websites 5. where they can do what they want to do.,科技,手提电脑,计算,数学的,网络/网站,一,二,三,四,五,六,七,三、你对电脑了解多少呢?请和同学们讨论,然后说出电脑的用途。 First: Second: Third: Fourth: . 答案:略,一,二,三,四,

15、五,六,七,四、单词、词组翻译 1.人类 2.如此以至于 3.从时起 4.结果 5.解决 6.探索;探测;探究,human race,so.that,from.on,as a result,solve,explore,一,二,三,四,五,六,七,五、阅读WHO AM I?,回答下列问题 1.When was the computer the biggest? A.In 1642. B.In 1936. C.In the 1940s. D.In the 1970s.,答案:C,一,二,三,四,五,六,七,2.Which of the following statements is right?

16、A.The first form of the computer appeared as a calculating machine in France in 1642. B.The analytical machine was invented by Turing in 1822. C.Computers have been used as a means of communication around the world since the 1960s. D.Computers havent been put into space rockets and used to explore the Moon and Mars.,答案:A,一,二,三,四,五,六,七,3.According to the description in the text,com

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