Learning about Language优质课教案内容

人教版高一英语必修二《Unit3 Computers 》

教学设计

一．教学目标

1. 语言知识目标

1）学习掌握以下重点单词和短语：calculate, simplify, sum, universal, solve, technological revolution, artificial, intelligent, reality, total, network, web, application, finance, character, as a result, explore, arise, in a way, anyhow, human race, operator, logically, rocket 2) 学习文章的拟人手法和以时间为顺序的写作方法。

3) 学习了解有关电脑知识。

2. 语言技能目标

1) 发展学生听说读写的综合技能，培养学生的语言综合运用能力。

2) 让学生能通过段落中心句确定段落大意，运用找读技巧搜寻文章主要信息。

3) 让学生能根据时间线索组织文章情节的发展。

4）让学生根据文章内容，结合生活实际，表达自己有关电脑的各种观点。

5）让学生能根据所阅读和讨论的内容写一篇短文,锻炼书面表达能力。 3. 情感态度目标

1）通过本节课学习，让学生对电脑网络更加熟悉，并在日常生活、学习中恰当应用电脑，从而达到更加热爱生活的目的。

2）陶冶学生的道德情操，培养学生自主、合作和探究精神。

二．教学重点难点：

1. 训练学生通过阅读练习提高自己的阅读能力。

2. 通过设置任务，激活学生思维，启发学生讨论，激发学生的写作兴趣，学会写作关于计算机话题的文章。

3. 掌握拟人手法和以时间为顺序组织文章内容。

三．教学过程

Step1. Lead-in Let the students enjoy a short video in which some robots are dancing and ask some simple questions. 设计意图：

通过看视频和回答问题引出本节课话题。

Step2. Fast reading

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Read the first sentence of each paragraph and choose the best answers. 1. Who is the speaker in this story? A. A computer

B. A person 2. What is the main idea of this passage? A. Computers may replace human beings. B. The development and applications of computers. 设计意图：

通过快读使学生了解课文的大体内容和结构。

Step3. Careful reading 1. Read the first paragraph and finish the following two tasks. TaskⅠ

Answer the question: What is the topic sentence of this paragraph? _______________________________________________________________________ TaskⅡ

Finish the chart Time 1642 About 1822 From 1936 on By the 1940s Since the 1970s Events The computer began as a _____________________

The computer was built as an ____________________ The computer grew rapidly both in _______ and in ___________ The computer had grown ______________________

The computer has been used in ___________________

2. Read the second paragraph and finish the following two tasks. TaskⅠ

Answer the question: What is the topic sentence of this paragraph? _______________________________________________________________________ TaskⅡ

Choose the best answers.

⑴

According to the passage, the computer has grown smaller mainly because______. A. it uses good materials

B. it was too large in the past

D. there is less room in the earth

C. its memory has improved a lot

⑵

What happened to the computer in the 1960s? A. It became as large as a room.

B. It was given a family connected by a network. C. It began to be used in the offices. D. It began to be put into space rockets.

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3. Read the third paragraph and finish the following two tasks. TaskⅠ

Answer the question: What is the topic sentence of this paragraph? _______________________________________________________________________ TaskⅡ

True or false ⑴

Computers can be used to make mobile phones now. ⑵

Since the 1960s, the computer has been used to help with medical operations. ⑶

Computers can solve all the problems of human beings. 设计意图：通过分段阅读使学生学会寻找段落中心句，并找出论据；了解细节内容；了解中心句的位置便于学生在阅读中快速找到中心句，确定段落主题。

Step4. Further reading Read the whole passage again and fill in the blanks. I _______ (begin) as a calculating machine in 1642 . With time ______ (go) by, I have been made cleverer and _______ (small). My memory has become _____ large that I can’t believe it. But I can’t forget the time ______ I was so lonely standing there by myself. Until in ____ 1960s, they gave me a family connected by a network. So I was able to share my knowledge ____ others. Since the 1970s, many new applications ______________

(find) for me. I have become very important _____ communication, finance and trade. Anyhow, my goal is to provide humans with a life _____ high quality. 设计意图：通过再次阅读课文，注意文中语法考点，与高考接轨。

Step4. Discussion What are the advantages and disadvantages of using computers?

advantages

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disadvantages

设计意图：让学生讨论使用电脑的利与弊，引导学生思考计算机以及网络对人们生活的影响。在讨论或辩论中形成正确的网络使用意识和健康的习惯。

Step5. Homework：

Write an article about how to use the computer properly. 设计意图：让学生能根据所阅读和讨论的内容写一篇短文,锻炼书面表达能力。

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