高中英语人教版必修2课件：Unit 3 Computers

1 / 17 Unit 3 Computers

本堂课包括Warming up 和 Reading 两部分。他们是语言知识和文化意识的输入过程；是语言技能、情感态度和学习策略的培养过程，也是语言输出过程。在整个教学过程中，它是培养学生阅读能力的主要过程，教学重点是阅读技能的培养、交际能力及情感态度的提升。

Warming up部分根据每个人对电脑的看法不同让学生就“Do you like computer?”进行小组探究和讨论，从自身实际出发谈论自己的看法，有助于激发学生对于整个单元的学习兴趣。

Reading部分（Computers）主要讲述的是电脑的发展史，通过一系列问题的设置让学生能够在全面理解文章的基础上提高信息处理、加工和学习的能力。

Knowledge objectives:

掌握以下词语和句型：Calculate, sum, solve, simplify, artificial, intelligence, revolution,

reality, totally, application, finance, in common, over time, as a result, from···on, so···that.

Ability objectives:

训练学生一定的阅读技巧，使他们掌握一些有效的学习策略，从而提高阅读速度和篇章理解的准确性，并养成一定的自主学习能力；培养学生快速阅读的能力、捕捉信息的能力及运用语言进行交际的能力。

Emotion objectives:

通过对“computer”的学习，启发学生思考电脑给我们带来的影响，从而以一种正确的方式利用电脑和网络资源；另外通过电脑的发展历程让学生意识到科技对生活的影响。

1. 教学重点：

1.了解计算机的发展过程，进一步认识计算机的演变以及对人类的影响。

2.训练学生的阅读技巧，提高学生阅读速度和理解能力。

高中英语学习材料

（灿若寒星*制作整理）

Unit 3 Computers

检测题1

一、单项填空

1. This is such a difficult situation that it is impossible to _____ it.

A. solve B. treat C. deal D. do

2. He left his hometown in his twenties and from then on he _____ alone.

A. had lived B. lived C. was living D. will live

3. The house looks old, but _____, it’s quite new.

A. in addition B. in return C. in reality D. in total

4. I was very angry because he let a week _____ before answering my letter.

A. go by B. go away C. go out D. go over

5. The teacher plans to _____ the students’ ideas before making a final decision.

A. explode B. express C. escape D. explore

6. I’m afraid I can’t go to your birthday party personally, but I will let my wife go, _____.

A. anyhow B. however C. though D. therefore

用心 爱心 专心 1 语言要点

单元要点预览（旨在让同学整体了解本单元要点）

词汇

部分 词语

辨析 1. personal / private / individual

2. after all/above all/at all/in all

3. type / kind /sort

4. deal with/do with（未调顺序）

词形

变化（未调顺序） 1.explore vt. &

vi. 勘探; 探测;

探险 exploration n. 勘探;

探测; 探险 exploratory adj. 勘探的; 探测的; 探索的

2. universe n.

宇宙; 世界 universal adj. 全体的; 共同的;普遍的；宇宙的

3. appear v. 出现; 显现; 呈现 appearance n. 出现; 显现; 呈现 外表; 外貌; 外观

重点

单词 1. sum n. 金额; 款项; 总数; 总和

2. advantage n.优点；优势；有利条件

3. goal n. 球门；进球得的分；目标

4. signal n. 信号, 手势, 声音, 暗号 v. 发信号; 用信号传达; 用信号与……通讯

5. arise vi.（arose, arisen）出现； 发生

重点

词组 1. in common 共同的；共有的；共用的

2. in a/one way 在某种程度上, 从某种意义上说

3. watch over 看守; 监视; 照看

4. make up 化妆；化装；捏造，虚构（故事，诗等）

重点句子 1. By the1940s工had grown as large as a room, and I wondered if

I would grow larger!

2. However，this reality also worried my designers

Module 2 Unit 3 Computers

1. In pairs discuss what they have in common.

Have sth in common

Have something/ much in common

Have little/ nothing in common

Common sense 常识；共识

Common language 共同语言

2. Do you know in what ways computers are

used today?

In some important ways they are different.

Way 方面

In a way 在某种程度

On the way 在去......的路上 to

In the way 碍事；挡道；用这种方法

China was way ahead of other countries in

GDP in the early days of the Qing Dynasty. adv.

He is halfway to success.

继承原则

3. It took nearly two hundred years before I

was built as an analytical machine by Charles

Babbage.

才

It’s + 时间段 + before ... 多久之后才

It won’t be long before 不久就会

Belong long 不久

Long before ...

It’s + 时间段 + since从句

从句谓语为延续性动词，则加不。

It’s five years since he lived here. 不在这住5年了。 从句谓语为短暂性动词，直译。

It’s five years since they moved in. 搬进来5年了。