文档介绍：Step 1 Revision
Ask the following questions for the students to discuss:
Could you please tell me how many families use Microwave ovens today?
How many of you have got Microwave ovens at home? Who can tell me how a Microwave oven works?
Who can tell me why the plate doesn’t get hot when I cook something in my Microwave oven?
…
Ask the students to describe the usage of the facilities in the classroom in groups, and then present in class.
Step 2 Warming-up
1) Present the picture of Cailun, and ask the students to discuss the following:
Who is he?
In which dynasty did he live in?
What did he contribute to Chinese culture?
2)Today in this lesson we’re about to learn more about papermaking and some other ancient inventions.
Step 3 Part 1
Ask the students to look at the pictures in the book and discuss the questions in pairs.
Ask two pairs to talk before class.
Step 3 Part 1 &
Encourage the students to discuss what the three different titles imply to them? What does each one focus on talking about?
Ask them to look briefly through the text and choose the best title.
Read again plete the text with the correct form of the given verbs.
Step 4 Part 1 &
Ask the students to practice the questions and answers in in pairs.
Encourage them to present their questions and answers in class.
Ask the students to conclude the usage of the passive voice i