模块五第二单元task.doc

高二英语 “学 议 练 探” 学案 M5 U2TaskTeaching aims:1. Learn how to design a poster.2. Learn how to listen and draw conclusions3. Learn how to collect specific information by reading an article4. Cultivate the students abilities of listening, reading and speaking.Difficult & Important points:1. Listen and draw conclusions2. Read for information3. Present your point of viewPart 1 PreviewRead and recite the following words:farmable nation combat convention establish fence dirt bush decrease north-east in the form of stock technician anti-desertification measure management usage level pick outPart 2 Study in classStep 1 Leading inT: Tell the students that environment protection is very important, so today they will design a poster to educate people. First, they will learn how to listen and draw conclusions. Then let them read the instructions and show them the two examples to help them understand it better.Step2 ListeningT: Make sure the students know what to do and then let students read the requirements in part A and B. Explain them to the students clearly if necessary. Then play the tape twice for them to complete the exercises. If time permits, play the tape a third time to give them a sense of achievements. Suggested answers:A: 1. flood 2. fire 3.earthquake 4.typhoon 5.drought B: 1, 2, 5T: After students have grasped the skill of listening and draw conclusions, let them go on with Part A on page 33. Ask one student to read the guidelines. Make sure all the students understand it. Then play the tape at least twice for them to take notes of the answers to the five questions.Suggested answers:1) It is when useable land becomes dry and turns into a desert.2) It happens in Africa, the USA, South America and China.3) People lose their homes and farms; many families starve and others move to the cities to find work.4) People plant too much on the land without giving it a rest; too many animals all depend on the same land to eat; and people cut down trees for full and to make space for more farms.5) Everyone should be concerned. (Check the answers as a whole, and play the tape a third time if necessary.)Step3 Reading T: Tell them that they will read an article about desertification during your research. Read it and underline all of the solutions to desertification. Remind them that when reading, they should look for specific information that they need by scanning the text as quickly as possible.Suggested answers: To encourage farmers to building fences To provide money to plant more trees and bushes in dry areas To do scientific research on the problem To have a better management of the potential desert To train people in responsible water usage To use satellites to pick out areas likely to be affected by desertification(After reading, let several students to report their answers and T can show them on the screen to give them a deep impression.)Part 3 Practice in classDesigning a posterT: Tell the students to design a poster about how to educate people to fight against desertification. Remind them to make use what they have collected in the last steps to complete the task by cooperating in groups of four. Discuss the questions below with their group.1. How can desertification be prevented?2. Can areas of desert be turned back into farmland and forests?3. Is desertification a global problem?4. Why is it important to fight desertification?5. What progress has been made to fight desertification so far?6. Can young people do anything to help fight this problem? (After the discussion, let them present their poster in the form below.) Heading_ _ Content_ _ Pictures / layout_ _ (Finally, let several groups to present their posters to the whole class and remind them to make it as what they have planned in the posters.) Teaching reflection 3