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高一英语人教版

Book 2 Unit 3 Computers (Period 1) 教学设计

Content: Vocabulary, Warming up and Writing Objectives: 1. Enlarge the vocabulary about computers by quiz and the combination with the practical use; 2. Learn about the development of computers by referring to the pictures and the given materials; 3. Write about the advantages and disadvantages of using computers by individual and group work. Bases of objectives: Vocabulary required in curriculum criterion and their use in practical use.

Key and difficult points: the memory of vocabulary; the development of computers. Idea and strategy: Student-centered learning; Inquiry activity ( individual & group work); Combination with practical life.

Procedures:

Step I. Duty work Step II. Introduction Activity 1

A Quiz 1. What is it in English?

2. How many English words do you know on the keyboard? Esc

Tab

Caps-lock Shift

Ctrl

Alt

Enter

Backspace Delete

Printscr

Insert

Home

End

PgUp / PgDn 3. More knowledge about computers: 1) What is IT?

2) What is CPU? 3) What is WWW?

4) What is the English for “科学技术”?

5) When did the computer begin? A.1640

B. 1642

C. 1822

D. 1936 6) Who really invented the computer?

A. Newton

B. Bill Gates

C. Alan Turing

D. Thomas Edison 7) When did computers come into the common family? A. In the 1950s

B. In the 1960s

C. In the 1970s

D. In the 1980s 8) What does “artificial intelligence” mean?

高一英语人教版

Book 2 Unit 3 Computers (Period 1) 教学设计

4. Other useful words and expressions about computers: network

virus

program

website

hacker register

download

upload

home page

desk top

click

software

hardware Consolidation: Complete the sentences with proper words. 1) We should use computers properly and never be a m_____ potato. 2) In the accident he e______ being killed. 3) You can input the capital letters when you press the key “s ___”. 4) If the situation is out of c______, it will be hard to deal with. 5) If you want to remove something from the computer, just press the key “d _____”. 6) With the development of ______ and ________(科技），computers have entered our life. 7) Hackers are said to start a computer _____(病毒）. 8) Nowadays you can ______(上传）and _______（下载）information from the net easily. Step III. Warming up 1. The development of computers

Abacus---calculator---huge computer---PC---laptop---PDA---Robot •

An abacus is an old calculating(计算) machine used in China until now.

•

A calculator is a new calculating machine which can solve a large number of mathematical problems. •

A huge computer is built to solve some mathematical problems. But it is too big. •

A PC is a personal computer which can solve all kinds of problems and is widely used now.

•

A notebook computer is a kind of useful computer which can be taken conveniently (方便的) like a notebook.

•

A PDA, Personal Digital(电子的) Assistant, is a digital tool used to help to deal with personal work. 2. What’ s next? Activity 2

Thinking (Individual work) Q: In what ways is the computer used？

Step IV. Writing Activity 3 Group work People say computers bring us more advantages than disadvantages. Do you think so? Advantages: Disadvantages: Conclusion: There is no doubt that computer has two sides. …

user name

高一英语人教版

Book 2 Unit 3 Computers (Period 1) 教学设计

Step V. Summary

What have we learned today? 1. Vocabulary: (mouse, host, monitor, escape, shift, control, delete, insert, virus, register, download, upload, technology, artificial, intelligence, calculate, digital, solve, deal with) 2. the development of computers;

3. the advantages and disadvantages of computers. Step VI. Self-assessment(自我评价)

(excellent --- good --- just so so --- not good) Step VII. Homework

1. Try to remember as many words related to computers as possible; 2. Finish one passage to write about the advantages and disadvantages of computers. Begin like this: With the development of science and technology, computers are playing an important part in our life. It brings a lot of advantages as well as disadvantages. On one hand, …

On the other hand, …

Step VIII. Reflection: