Step 4 Listening

　　T: First I'd like you to listen to the tape and find out whether the statements are T or F.(Give the students one minute to read the statements and then play the tape.)

　　(　　　　　) 1.When Copernicus found that the earth was not the center of the solar system, he was very excited.

　　(　　　　　) 2.Some astronomers found it strange that some planets appeared brighter at sometimes.

　　(　　　　　) 3.Copernicus worked out the theory by observation and calculation.

　　(　　　　　) 4.Copernicus didn't publish his ideas until he died in 1543.

　　(　　　　　) 5.According to the Christian idea of gravity, things fell to the ground because the earth is the center of the universe.

　　(A few minutes later.)

　　T: Are you ready? Who'd like to have a try. If the sentence is true, please read it.If it is false, correct it.

　　S1: The first sentence is false. When Copernicus found that the earth was not the center of the solar system, he was frightened.

　　S2: The second statement is true.

　　S3: The third statement is also true.

　　S4: The fourth statement is false. Copernicus didn't publish his ideas until he lay dying in 1543.

　　S5: The fifth statement is true.

　　Suggested answers:

　　1.F; 2.T; 3.T; 4.F; 5.T

　　Step 5 Gist Reading

　　T: You have done a good job.In think you previewed the passage well.To understand the passage better, I divide the passage into four parts.Read the passage quickly and find out the main idea of each part.

　　(After three minutes.)

　　T: Have you got it? Generally speaking, if we want to introduce something, first, we usually give a brief introduction. What about the main ideas of other parts?

　　(Ask the students to give their opinions and in the end the teacher gives them the answer.)

　　Suggested answers:

　　Para 1 Brief introduction

　　Para 2 The cause of Copernicus' theory

　　Paras 3-4 The process of Copernicus' theory

　　Para 5 The significance of Copernicus' theory

　　Step 6 Detailed reading

　　T: This passage mainly talks about Copernicus' theory. So let's compare his theory and the theory before him. Work in pairs. Read the passage again and fill in the following form.

Before Copernicus' theory Copernicus' theory