Learning about Language公开课教案（教学设计）

高中英语教学案

必修二

Unit 3

Computers

主备课人：王妮妮

王锦妮

审核：

班级：

组名：

姓名：

日期：

Period 1

Warming up & Reading

Learning aims:

1. Students will learn about some basic knowledge comcerning computers. 2. Students will use different reading skills, such as skimming and scanning, to understand the text and get familiar with its structure. 3. Students will be able to do similar reading with the to-be-learned (即将学到的) stylistic (文体的) knowledge. Learning key and difficult points:

1. Fully nderstand the content of the text and anylize it. 2. Summarize the structure of the text and use the stylistic knowledge to help reading similiar passages. Teaching procedures:

StepⅠ:Preview( 预习探究)

课前花十分钟查出下面单词和词组，查完了别忘了读一读记一记哦，相信你能做到！

ⅰ. 给出以下英语词汇的汉语意思。

.

1. abacus

2. calculator

3.laptop

4.PDA(=

)

5. PC(=

) .

6. calculating machine

7. universal machine

8. analytical machine

.

9. intelligent robot

10. transistor

11. chip

12. operator

13.designer

.

ⅱ. 给出以下汉语意思的英语词汇。

.

1名词：1.

n.电子管；管

2.

n. 网络；网状物

3.

n.网

0.

4.

n.火箭

5.

n.火星

6.

/

n.总数

1.

7.

n.金融；财经

8.

n.应用；申请

9.

n.事实

2.

10.

n.目标；目的；（进球）得分

（“目标；目的”同义词

/

）

动词：11.

vt. 解决；解答

12.

vi. & vt. 探索；探测；探究

13.

vt.简化

副词：14.

/

adv.无论如何；即使如此

构词法：(给出汉语意思；总结构词知识)

technology

n./ technological

adj./technologically

adv.

logic

n./_________

adj. /_________

adv.

mathematics

n./_______________

adj./ _______________ adv. /

mathmatician n.

reality

n./ real

adj./ really

adv.

personality

n./ __________

adj./__________

adv.

totality

n./ total

adj.&n./ totally

adv. （相似）

intelligence

n./______________

adj./ ________________

adv.

___________ n./ happy

adj./ happily

adv.

ⅲ. 重点词组

1. 人类

_____________

2. 技术革命

_________________ 3. 人工智能机器人______________ 4. 移动电话

5. www. _________________

6. so... that_______________ 7. as a result _______________ 8. from now on/ from then on

/

9. have... in common

10. according to

11. 探索火星

12. 解决问题_______________

StepⅡ: Lead –in and warming-up(方向探究)

1. What do you think makes the day “11.11”a big online-shopping (网购) day across China?

2. How different would it be without computers in our life?

3. Can you put the following machines in an order according to the time when they appeared? Check to see if you were correct after reading the passage. ( ) analytical machine

( ) calculating machine

( )universal machine

( ) PC

( ) laptop

( ) robot StepⅢ: Reading

ⅰ. Look at the pictures and the title of the reading passage and predict what it is going to be about. Who does “I”refer to in the title?

ⅱ. 自主探究Skimming:

1. What is the main idea of the passage?

A.

The functional change of the computer B.

The computer becomes popular around the world C.

The history of the computer 2. Find out the topic sentence of each paragraph and underline the key word of each para..

Para.1 ___________________________________________________________ Para.2 ___________________________________________________________ Para.3 ___________________________________________________________

3. What type of passage is this? (a narative记叙/expository说明/argumentative议论article文)? In what order is the passage organized?

Note；英语中此类文体的文章通常情况下结构比较固定，每段首句即为本段主题，各段符合“倒三角”结构特征，即最重要的信息至于段首，举例、对比等细节内容之后展开。

StepⅣ[合作探究]

i:

scanning:

1.

Check to see if you were correct. ( ) analytical machine

( ) calculating machine

( )universal machine

( ) PC

( ) laptop

( ) robot

2. Outline the developmental stages of computers. (1)

In 1642, it started as a _________ machine which could____________________.

(2) It took nearly 200 years

before it developed into a __________machine, which was programmed by an________using _______________, which made it possible to “think”________. This was thought to be a _________________and the start of the age (时代) of “______________”. (3)According to the book written by Alan Turing in 1936, a universal machine was designed to __________________________.

(4) From then on, it grew rapidly both in _______ and in _________. (5) Later computers were connected by a ______in the 1960s and now through______________.

(6) Since it turned into (变为) a ________and then a ___________, it has been used in offices and home since the 1970s.

3. Why did the computer totally change its shape? It changed as a result of the improvement of its _________ since it was first stored in _________, then on _______and later on____________. 4. In what areas computers are applied according to the text? Can you add more? ________/________/_______/________/________/________/________...... 5.

What is the purpose of computers?

The goal is to ________________________ as a ______friend and helper of the ___________.

6. T/F (

) The reality is that computers have grown smaller and smaller ever since it appeared.

*7. In the second paragraph, “Over time my memory has develped so much that, like an elephant, I never forget anything I have been told.”, what is “like an elephant” here and why? What writing technique (写作手法) is used?

*8. Why did the author use “I” in the title? What’s the advantage of using the first person narration(第一人称叙述)? ii:

summary

(这是考查你的记忆能力、理解能力和对语言的综合运用能力，挑战一下自我啊！)

Read the passage again and finish the summary on page 30. （

《新新学案》

）

StepⅤ: Homework[延伸探究]：

1.

Read the text again after class and tick out the difficult sentences and knowledge points. 2.

Finish the extra readings of the same style (体裁阅读).

3.

Use your iamagination to continue to write about the future development of computers in the 21th century.

这节课我印象最深刻的内容：__________________________________________________________

________________________________________________________________________ 这节课我学到的阅读技巧： 这节课我学到的文体知识： 教学反思:____________________________________________________

___