六.课堂教学过程：
Ⅵ.Teaching Procedures
Step Ⅰ Lead-in (2 minutes)
We have inventions everywhere .Inventions make us live easily and happily. Without inventions,our lives will be much more difficult. Today, we will know about a few inventions and talk about the history of them.
Show the pictures of five inventions on the screen: a car,a Tv set, a telephone, a calculator and a computer.
T:Now look at these things.What are they?In what order do you think they were invented? Number them(1-5) (1=first,5=last)
Volunteers report the answes.
S1:I think the calculator was invented before the computer.
S2:Idon’t think so. I think the calculator was invented after the computer.
Step Ⅱ 1a
This activity reviews vocabulary and introduces new vocabulary which can be used to talk about inventions.
Read the inventions to the students.
Call the students' attention to the five pictures. Tell the students that all of these things were invented in the last 150 years. Point to each picture and let the students tell what it is.
Write the names of the five inventions on the blackboard.
computer, car, calculator, telephone, TV set
Have several different students guess and write the dates on the board.
Ask the class to repeat the questions and answers like this.
T: When was the computer invented? Class repeat.
Ss: When was the computer invented?
T: Good. Now Tom, what is your guess?
S1: 1965.
T: OK. Tom, repeat after me. The computer was invented in 1965.
T: Class, please repeat.
Ss: The computer was invented in 1965.
Repeat the process with several different inventions.
Tell the children that they will find out the real dates after they complete the lesson.
After that, ask the students the questions below: