约1150字。

Unit 7 The Sea
　　Lesson 1 The Spirit of Explorers教案
　　Teaching Aims:
　　1.To practise reading for specific information.
　　2.To practise using relative clauses with when, where and why.
　　3.To practise using relative clauses with prepositions and relative pronouns.
　　4.To review and consolidate the relative pronouns.
　　5.To talt explorers.
　　Teaching difficulties:
　　To practise using relative clauses with when, where and why.
　　Teaching Aids: puter and cassette. 
　　Teaching procedures:
　　Ⅰ. Warming up
　　T: Today we’re going to study unit 7 the Sea. Can you talt anything about the sea? ( If students have difficulty the teacher gives them help, for example: What does the sea ma think？)
　　S:
　　T: The sea is beautiful and we can do some interesting games.( give some pictures to attract their attention and develop interest) The sea has special since ancient times human beings couldn’t help exploring it, such as Zheng he(slide) then give bus’s portrait, introduce their main deeds and ask them “Who is it ”
　　S:
　　T: They had the spirit of explorers, especially bus, he is famous all over the world. Why?
　　S:
　　T: People consider him to have discovered America first, do you think so？
　　S:
　　ⅡReading
　　Task1  Now let’s read the text, you will get the right answer
　　1.Which of the following people do you think arrived in America first?
　　a. Christopher bus  
　　b. Ancient Romans  
　　c. Chinese    
　　d. Vikings
　　Students will get the right answer: Vikings arrived in America first. ( Give slides)
　　Task2 Read the text more carefully .Are these statements true (T)or false(F)
　　1.Eric the Red forced people to go to Greenland with him together.
　　2.Biarni set sail from Iceland in order to join Leif’s father.
　　3.For some reason, all ships Eric the Red brought didn’t get to Greenland.
　　4.The Vikings were stronger and stronger in Northern Europe from the 8th to 10th century.
　　5. According to official records Europeans reached America long before bus ever set sail.
　　Answers: 1 F  2 F  3 T   4 T  5 F