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　　Module 2 Unit 1 Tales of the Unexplained
　　Period One Welcome to the Unit
　　Ⅰ.Teaching aims
　　1. Students are encouraged to conduct a free discussion about some mysterious and unexplained phenomena in the world.
　　2. Help students practice spoken English.
　　3. Help students express their opinions boldly and imaginatively.
　　Ⅱ.Teaching important points
　　1. Encourage the students to conduct a free discussion about some mysterious and unexplained phenomena in the world.
　　2. Talk and improve the students’ speaking ability.
　　Ⅲ.Teaching difficult points
　　1. How to encourage the students to speak and talk freely and imaginatively.
　　2. How to improve the students’ speaking ability.
　　Ⅳ.Teaching methods
　　1. Looking and speaking.
　　2. Discussion in pairs or groups.
　　Ⅴ.Teaching procedures
　　Step 1 Lead- in
　　T: People are curious about mysteries. Today, we are going to talt some mysterious or unexplained phenomena, including evidence of UFOs, the possible existence of Yestis and crop circles, and reasons for building Stonehenge. No evidence or proof has been provided to explain these phenomena. Maybe we only hear of them. Even the advanced science and technology of today can't offer satisfactory answers to them.( Show some pictures about UFOs, Yetis, crop circles, Stonehenge and some other unexplained things on the screen.)
　　Step 2 Picture talking
　　1. Talt the pictures.
　　T: Welcome to the unit. Please open your books and turn to page 1. Read the instructions and focus on the four pictures and illustrations first.
　　T: Do the four pictures have something in common? If so, what is it?
　　( Unexplained, no satisfactory answers, mysterious, no evidence.....)
　　How do you feel about them? Are you a bit curious?
　　Now let's discuss the pictures on page one.
　　2. Asdents to discuss all the pictures in pairs or groups and to think of as many expressions as possible.
　　Encourage them to map sentences and read them to the class. Share the following sentences with students as example.
　　They are mysterious because no satisfactory answers have been offered to explain them .Though these mysteries have puzzled people for a long time, they still show great interest in them. People feel puzzled by the mysteries.
　　Step 3 Description of the pictures
　　Picture one: UFOs
　　1) What do the letters UFO stand for?
　　(It stands for Unidentified Flying Object, that is , an object , apparently moving in the sky, which we can not identify.)
　　2) Do you believe in it ?
　　(I never believe in spacecraft from outer space carrying visitors.)
　　Picture two: Yetis
　　1) Where are the Himalayas ? (It is in the south of Asia.)
　　2) What's the weather like there ?  (Cold.)
　　3) What is the Yeti and what is it like?(It's reported to be half-man and half-beast. It's supposed to live in the highest mountain in the world---Mount Qomolangma.)
　　Picture three:  Crop circles
　　It’s said that the earliest crop circles appeared in Engliand in 1647. Crop circles are reported to appear mostly in spring and summer. People are curious about the phenomenon.
　　1)What about you, do you really believe it’s a natural phenomenon?
　　2) Have you ever seen the Crop circle?
　　Picture four:  Stonehenge
　　1) Have you heard of Stonehenge?
　　2) Do you know where it is? Why was it built? ( In England. No one knows the reason for building Stonehenge.)
　　Step 4 Discussion
　　1. Asdents to discuss the questions below the pictures on page1 in pairs or a group of four .
　　2. Then ask each group leader to report the result of their discussion
　　Step 5 Language points
　　1.tales of the unexplained: 无法解释的传说，未解之谜
　　常用“the+adj/v-ing/v-ed”来表示一类人或物，如 the rich; the unknown; the living, the unemployed…
　　2．be full of（表状态）: be filled with（表状态和动作）装满……的
　　He received a basll of flowers.= He received a basket filled with flowers.
　　3. today’s science  今日科学      advanced science and technology 高科技
　　4. can’t tell? 说不准?             tell：判断、区别；认出、确认
　　tell the difference between A and B 说出A和B之间的不同   
　　tell A from B 把A和B区分开来
　　It was so dark that I couldn’t tell it was you.
　　I can’t tell her from her sister. They are much alike.
　　5. That’s why … 那就是为什么……, 那就是……的原因
　　That’s because… 那是因为……
　　他今天不在,那是因为他病了.
　　¬¬¬¬He is absent today. That’s because he is ill.
　　I had neither a raincoat nor an umbrella. That’s why I got wet through.
　　6. run into
　　①跑进 We saw the boy run into the house.
　　②流入The river runs into a lake.
　　③撞到……上The bus got out of control and ran into a wall.
　　④偶然遇见 I ran into some old friends at the exhibition centre.
　　[拓展] “偶然遇见”的表达还有：
　　come across; run across; happen to meet sb; meet sb by chance
　　[经典回顾]