高中英语 Unit 2《Working the land-reading ,speaking and writing》教案 新人教版必修4

55 book 4 unit2 working the land reading ,speaking and writing To help Ss improve their writing skills of a poster Practice the listening , speaking and writing 一体化设计：Complex skills 教学重点、难点：How to make Ss use the writing skills .教学过程：1、组织教学（导言）Where did you go over your weekend?2.新课讲授1. Teacher shows the following words and asks students to tell their meanings in Chinese.valley competitor determined pour carrots cucumbers pumpkins attackwildfire sigh solid2. Listen to the tape for the first time, and get a general idea of the passage.1. Listen to the tape again and fill in the chart in Exercise 1, page 14.Show the answer chart on the screen for students so that they can check it quickly.Farming PracticesMr Jones farmMr Smiths farmCrops grownCarrots, cucumbers, pumpkinsCarrots, cucumbers, pumpkinsFertilizerChemicalNaturalOther plant nutritionWaterWaterResultsEmpty insideSolid and healthy indise4.Listen to the tape once again. This time well finish Exercise 2 and 3Step III Listening on Page 48Play the tape for three times. Ask students to finish the whole exercises And then check the answer with the whole class.Step IV Listening on Page 50This is an easy listening material. The purpose is to give students some information about early faming methods in different area of the world. What students should do is to read the descriptions on Page 50,and match them with the correct sites on Page51. listen twice.Check the answers with the whole class.Step WritingIn this part the students should not use the whole sentences, using phrases or notes is OK. Ask students to read the instructions, and the example on Page 16 carefully. And then write down their poster.Give students three minutes to practise. And give them enough help, if some of them need it. Three minutes later teacher can ask one or two pairs of students to-act out their dialogues. Main headingThis explains that you sell green food.Reasons to buy1. ( one reason )2. ( one reason )3. ( one reason )4. ( one reason )Why it is good value.Buy the best fruits hereWe only sell green food in this shop!Best choice at best price!Safe, healthy, clean, fresh. Far away from any pollution.1. No chemical fertilizer, all organic fertilizers2. Clean air, clean water3. No poison, no pesticides4. Home in heavenHealthy food means healthy life. Far away from diseases, without worries, full of happiness. ( one reason )4. 课堂练习Let Ss write a poster in groups of fou