Step 1 GreetingsStep 2 SpeakingT：Today，I’ll first show around some famous dams in the world.Show the picture of Aswan Dam，the Hoover Dam and some famous Dams.Aswan Damthe Hoover Dam in Colorado，USAT：What do you think of these Dams？S1：They are wonders on the earth.It is said that the Aswan Dam is one of the three man-made projects that can be seen fr om space.S2：They not only look wonderful but also help the people in the world a lot.S3：...S4：...T：But I hear that a very effective international movement arose to fight for change in current dam building practices.Now I wonder why they did so.Are there any bad things caused by dams？I would like you to hold a discussion and talk about the good things and bad things dams bring about.good things1.control floods2.make electricity3.raise the capacity of shipping（The raised water level makes it possible for heavy-loaded ships to pass.）4.bring new scenerybad things1.force the people from their land and homes2.forever change some of the most historically celebrated scenery in the area（the Three Gorges Dam）3.（the Aswan Dam）Some old temples are in danger because of the raised water level.People had to remove the temple stone by stone.It took 1700 workers and 22 other people four years to complete the project and cost one billion US dollars.4.（refugees）be economically，culturally，and psychologically devastated.Some people of Sichuan Province had to move to other places of China，for example，Chongming Island.It will be a great challenge for these people to merge in a new society.5.（people in the Mekong Delta）suffer from diseases dams and large irrigation projects in the tropics bring.6.（In Nile Delta）plain and the delta are losing fertility as the mineral sediments usually carried and deposited by the Nile are building up behind the many dams.7.The construction of dams in Southeast Asia has brought some of the countries into heavy debts.高峡出平湖T：So I think before we do anything，we should think it over.Step 3 New informationT：Boys and girls，we have been talking about travel these days.Now，what have you known about travel now？Can you list some useful words and expression about it？S1：Travel fare，means of transport，travel manners，safety，destination，insurance，equipment，travel necessity，travel tips，travel journal，travel advertisement，travel poster.T：Can you think of some useful verbs or verb phrases？S2：make camp，put up the tents，cycle along../cycle across，set out/off，get close to nature，be tired from，be bra ve，wear a hat and sunglasses.T：What should we pay attention to when we go traveling？S3：We should pay attention to our travel manners.Don’t throw rubbish here and there.Don’t feed animals in the zoo or in the wild.Don’t carve on trees of walls or chair.Don’t smoke in the wood or forests.We should obey rules.S4：We should take care of ourselves.Prevent anything dangerous from happening.If danger came，we should know how to get rescued.S5：We should get to know the customs of the place to avoid conflicts with the local people.S6：...T：What you say reminds me of eco-travel.Have y ou ever heard of it？Present the definition of eco-travel on the screen.Ask one of the students to read it.Eco-travel is a form of travel that combines normal tourism with learning.Instead of traveling for pleasure，you can use your trip as a way to protect the environment.Normal tourism is often bad for the environment，and tourist often cause problems.Eco-travel，on the other hand，is a way to travel responsibly.Eco-tourists want to learn about the world so that they can make it better or at least understand it better.Eco-travel is a way to find what can be done to helpanimals and plants as well as people.Step 4 WritingT：We all know Wang Wei will take a bike trip along the Mekong.Suppose you are a friend of hers and you want to express your best wishes to her before she starts.What will you say？S1：Have a nice/wonderful/good time.S2：Have a good trip.S3：Good luck on/with your journey.S4：Take care.S5：Have fun.S6：Please enjoy yourself.S7：Give my love/best wishes/best regards to your fellows.T：Good.Now Wang Wei has gone.You are worried about her，so you write a letter to her，asking her what she feels and what she is doing，and also asking her about some of the places you are interested in but have never been before.Give Ss some minutes to prepare.T：Who will be the volunteer to read your letter？S8：My dear brave little Wei，How I worry about your health and safety.I guess you are now on the Tibetan plateau.What is the weather like？Are you feeling OK now？A few days later，you will reach the Mekong Delta.I hear that the area was mostly marshl and and forest.Would you please take some videos there so that I can appreciate the wonderful scenery after you come back？Since the weather is changeable and the topography is complicated，you should always take care.Good luck on your trip.Yours，Jane Step 5 WritingT：Here is good news for you.You and friends are allowed to run a travel business now.Would you form your travel agency at once？Don’t forget to give it a good name.Give Ss a few minutes to fulfill the task.T：Now can you tell me the names of your company？S：Eagle，Rose Magnificent，...T：Now，please read the tips on Page 60，and then write your travel advertisement.Give Ss a few minutes to fulfill the task.T：Since time is limited，you can improve your poster after class，please make sure that your poster looks if both businesspeople and artists made it.No w turn to the last task of this unit.Please look at Page 23 “Reading and writing”.Will Li Ming read this part？S：...T：Do you know what a travel dairy is and what travel journal is？Present two passages on the screen：T：Which is a travel journal and which is a travel diary？S：The first one is a travel journal while the second is a travel dairy.T：The 7-day National Holidays is coming，I’d like you to form your own travel group and design an eco-travel.You should first decide your favorite destination by listing the reasons.After your trip，you should also write a travel journal.You can put up some of the journals on the classroom wall，which the other classmates will ter we will find out who are the winners.Step 6 Homework.●板书设计Unit 3 Travel journaGood things1.control floods2.make electricity3.raise the capacity of shipping4.bring new scenery Bad things1.force the people from their land and homes2.forevercelebrated scenery in the area3.Someraised water level.4.psychologically devastated.5.sufferprojects in the tropics bring.6.plainmineral sediments usually carried and deposited by the Nile are building up behind the many dams. 7.The construction of dams in Southeast Asia has brought some of the countries into heavy debts.。