Learning about Language多媒体教学设计及其点评

Unit3 computers The first period Reading 教学目标：

1）语言知识: a．词汇（ vocabulary）：能理解、内化、运用以下单词及短语。

function, calculate, simplify, analytical, solve mathematical problems, technological revolution artificial intelligence, applications b. Ss will be able to learn about the development of the computers in terms of time, identity and function. 2）语言技能：

a．读：通过快速阅读及细节阅读获得相关信息且进行skimming， scanning，

further understanding等阅读技能训练。

b．说：通过鼓励学生自己创造新型电脑进行口头表达。

c．写：能在课后对口头表达落实到笔头，对课堂所学内容有一个较好的输出。

3）学习策略：交际策路；认知策路；调控策略

4）情感态度：

a．让学生感受到古代电脑发明者的習慧和创造力。

b．培养合作精神。

5）文化意识：帮助学生了解电脑的发展史。

教学重点和难点：

1） Students will be able to learn about the development of the computer in terms of time, functions and identity. 2） Students will be able to have a thorough understanding of the title. 教学准备：多媒体；黑板

教学过程: Step1.Greetings and lead-in 1) Greet the whole class as usual. 2) Guide the Ss to know Components of a computer

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Step2. Pre-reading 1) Students will be asked to speak about the computer’s daily functions. 2) Naturally lead to today ' s topic—computer, and ask students to predict who I am in the passage? Step3. Fasting reading 1) Ask Ss to read the passage very quickly and find out the main idea of each paragraph. 2) Emphasize the skill of finding the main idea 3) Based on the main idea of each paragraph, students will be asked to summarize the main idea of the whole passage. Scanning What’s the main idea of each paragraph?

Para. 1 Para. 2 Para. 3

Step4. Careful reading Scanning Reading Comprehension 1. Who was the first person to make the earliest computer? A. Alan Turing. B. Charles Babbage. C. Charles Turing. D. Alan Babbage. 2. When was the “universal machine” built?

A. In 1822. B. In 1642. C. In 1936. D. In 1970. 3. When was the computer the biggest? A. In 1642. B. In 1936. C. In the 1940s. D. In the 1970s. 4. How old is the computer?

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A. About 170 years old. B. About 270 years old. C. About 370 years old D. About 470 years old. Step5. Post reading Read the text carefully and fill in the tables. Timeline 1642: _______________________________________ 1822: The Analytical Machine was made by Charles Babbage. _____ __________________________________________ 1940s: ________________________________________ _____ The first family of computers was connected to each other. 1970s: ________________________________________ Now: __________________________________________ Step6. Summary 1) the development of the computer abacus → calculator → huge computer → PC → laptop → PDA robot → ? 2) CREATE •

cooperate with others •

remain optimistic •

encourage yourself •

acquire enough knowledge •

try something different •

educate yourself to use the computer properly All great deeds and all great thoughts have a ridiculous beginning.

------ Albert Camus

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Step7. Discussion and display Design paper (example)

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the size: as big as my palm •

the color: pink or green •

the shape: like a round mirror •

the functions:

as powerful as Ipad. It can even talk to its owners

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the price:

＄100

Your own design •

the size:

•

the color:

•

the shape:

•

the functions:

•

the price:

Step8. Summary and Homework 1) Let the Ss sum up what they have learnt in this class.

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Homework: Describe the design of your own computer within 100 words. (size/ shape/ color/ functions …)

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