约4450字。

　　Unit 1  It’s more than 2,000 years old.
　　深海章鱼
　　第一课时
　　Ⅰ Teaching model
　　Listening and speaking
　　Ⅱ Teaching method
　　Communicative approach
　　Ⅲ Teaching aims
　　Key vocabulary：army，man-made ，natural，wonder，discussion，opinion，
　　in one’s opinion，eastern，though，loud，electricity
　　ctures: join in，That sounds great., in my opinion, looked over, looked down to, Far below me, the ground fell away and down to a river.
　　Ⅳ Teaching aids
　　Tape recorder, OHP, pictures, handouts
　　Ⅴ Teaching Steps
　　Step 1：Warming-up and listening
　　1. Look at some pictures of the wonders of the world.
　　2. Talt the picture. You can use the words in the box to help you.
　　3. Listen and check the words you hear.
　　Step 2：Listening and reading
　　1. (Close the books) Listen to the tape carefully.
　　2. Ask the students to read through the conversation individually.
　　3. Play the tape and have them read and follow.
　　4. Act it out.
　　5. Learn Everyday English
　　Step 3：Explain the important and difficult points
　　1．Let’s call Wonders of the World and join in the discussion.
　　join in 的意思是“参加某种活动，加入到”。
　　例如：We all joined in the game. 我们都参与了游戏。
　　2．And I think the Giant’s Causeway is the most fantastic natural wonder.
　　我认为巨人之路是最神奇的自然奇观。
　　3．That sounds great, though I think the Victoria Falls in Africa are even more fantastic.
　　4. But in my opinion, man-made wonders are more exciting than natural ones.
　　但是, 在我看来, 人造奇观比自然奇观更激动人心。
　　本句中natural ones 与 man-made wonders 相对应 ones 代替前面提到的wonders。in one’s opinion 表示“按某人的意见;据某人看来”。
　　5. I looked over them, but it was silent and there was no sign of it.
　　我朝那片岩石望过去,但是一片寂静，还是看不见它。
　　I was looking across one of the wonders of the natural world - the Grand Canyon.
　　我在眺望这自然界奇观之一的大峡谷。
　　I looked down to the Colorado River...
　　我俯瞰科罗拉多河……
　　Finally, I looked to my left and to my right...  最后，我向左右遥望……
　　6.The sun rose behind me and shone on the rocks. Far below me, the ground fell away and down to a river.
　　这两个句子用behind, on, below, away 和down 几个介词和副词生动地展现了太阳升起时作者在大峡谷观察到的奇妙景象。