高中人教版必修二高中英语unit3 computers period2 learning about language教学设计

高中人教版必修二高中英语unit3 computers

period2 learning about language教学设计

Period 2 Learning about Language

The General Idea of This Period：

This period includes revision of the text、learning about language.From this period the students will learn how to use some of the key words and expressions in the text and do some exercises for consolidation，and learn how to use the Present Perfect Passive Voice.

Teaching Aims：

1.Help the students to learn to use some useful words and expressions.

2.Enable the students to learn how to use the present perfect passive voice.

Teaching Important Point：

The use of the present perfect passive voice.

Teaching Difficult Points：

How to master the usages of some important words and phrases and the Present Perfect Passive Voice.

Teaching Methods：

1.Task-based learning.

2.Cooperative learning.

3.Explanation and practice.

Teaching Aids：

1.A tape recorder.

2.A multimedia.

Teaching Procedures：

Step 1 Revision

T：Boys and girls，in last period we learned something about the history and development of computers.Now who would like to retell the text with the help of these figures?

S：Let me try.In 1642，a calculating machine was used in France.Then in 1922，the Analytical Machine was made by Charles Babbage.It could follow instructions from cards with holes.In 1936，Alan Turing，the

real father of computers，wrote a book to describe how computers could be made to work and built a “universal machine”to solve any mathematical ter，people discovered the computer had “artificial intelligence”.In the 1960s，the computer got his new transistors.Its size was totally changes at that time.And in the early 1960s，the first family of computers were connected to each other.In 1970s，computers have brought into people’s homes.Now computers have been used by billions of people to deal with information and communicate with each other around the world by the Internet.

T：Congratulations!You’ve done very well.Now try to do the same to your partners，OK!

Step 2 Words and Expressions

Task 1

T：Please turn to Page 19 and finish Discovering Useful Words and Expressions.At first，look at Ex.1.From the reading passage，find the words and expressions.