111Unit 2 The environmentTaskTeaching aim and demands : 1. Help the students listen and draw conclusions 2. To improve students listening skill.3.Read for information.4. To improve students reading skill.5.Learn to present opinions.6. Design a posterTeaching procedures Sep1 Skills building 1 :In this part , students will learn how to draw conclusions from listening to something .Explain to the students that in order to draw conclusions , they need to think about the situation and the information they have and then try to decide what it means .1 Ask the students to read the guidelines and the dialogues in skills building on Page 2 , Ask them to draw conclusions from what is said in the dialogues and you can create more dialogues and ask students to draw some conclusions.3 Ask students to read the instructions in Part A . Then play the taps once and ask students to draw a conclusion about what kind of natural disaster occurred in each situation . Ask them why they have drawn this conclusion . Then play the recording once more and check the answers as a class .4.Ask students to listen to the tape and complete Part B . Ask them to decide which of the conclusions is logical and give their reasons .Step 2 : Listening to a lecture 1.Listen to the tape 2 Encourage the students to fully participate in the situation and express their opinions freely .3. Play the tape once again . 4. Ask several students to read one answer each . 5 Ask the students to finish Part B . Ask them to consider what conclusions can be drawn from the statements .Skills building 2 :Reading for information 1 Ask students to read the guidelines on Page 34 . 2 Divide students into groups of six and tell them to discuss the reasons why they might want to read the materials mentioned in Part A .Ask students to read the newspaper article in Part B and answer the four questions listed below it .Step 3 : Read a scientific article 1. Ask students to review what they have learnt about desertification in Step 1 on Page 2 . Encourage them to list the things they know about desertification.3. Ask students to read the scientific article about desertification . Make sure that they understand the article .4. Organize students into groups of four and tell them to study the scientific article together.5. Ask students to list their solutions on Page 35. Skill building 3 : Presenting your point of view1. Ask the students to read the guidelines in this part . Make sure that they understand each point.2. Ask students to read the instructions for Pat A on Page 36 and help them give explanation for their decisions. Ask several groups to explain their decisions to the class.Step 3 : Design a poster 1.Organize students into small groups , and ask them to read the viewpoints from some experts on desertification in Part A on Page 37 . They need to discuss which viewpoint they agree with and which one they will focus on.2. Ask different groups to consider the questions in Part B and ask them to present their answers to the class.3. Tell students that a good poster contains good content and a good layout . Ask students to read the instructions on Part C on Page 37 .4 Ask each group to create their own posters, according to Step1 and 2 .Homework: Ask students to read the article in part A on Page 105 in Workbook. Then ask them to do Part B on the same page .111