Period 3　语言运用课

　　学习目标

　　1.To learn a passage about Copernicus in the textbook and improve reading ability.

　　2.To accumulate common knowledge about astronomy through the Copernicus experience.

　　3.To be better at writing letters and expressing yourself in English.

　　学习过程

　　Step 1:Reading

　　Read the passage quickly and finish the following exercises.Share your answers with the other members in your group for better ones.

　　1.List the two theories of the universe.

　　Before Copernicus theory

　　After Copernicus theory

　　2.Observe the following two sentences.Analyze their common usage.

　　(1)So between 1510 and 1514 he worked on it,gradually improving his theory until he felt it was complete.

　　(2)The Christian Church rejected his theory,saying it was against Gods idea...

　　总结:这两个句子都使用了　　　作句子的　　　成分。

　　用同样的句式改写句子:His friends were enthusiastic and encouraged him to publish his ideas.

　　3.Brainstorm the reasons why Copernicus couldnt publish his theory?

　　4.If you were Copernicus,would you publish your theory?List your reasons.

　　Step 2:Read the passage and finish the following exercises.

(1)Copernicus was born in Torun,Poland,on February 19,1473.Little is known about his early