高中英语人教版选修九高中英语（） 同步课件 u4p5 workbooklistening and writing(共44张PPT).ppt

Listening task;;2;2 Listen to the first part again and answer the questions.;Four dishes and four pieces of cloth,　 a dish of seeds,　 some tap water,　 some boiled water and some cooking oil.;3 Listen to the first part again and complete the table of conditions that each dish of seeds was given.;;4 Now listen to the second part of the tape in which the class discusses the results of the experiment. Complete the table of results.;;;5 Listen to the second part of the tape again and discuss the question:;An experiment on plants Part1: Listen to a teacher (TH) helping her class set up an experiment. TH: OK,　 everybody,　 this morning we’re going to do an experiment to find out three important conditions that seeds need in order to start growing.;The materials are all on the bench. Choose someone from your group to go and get four dishes and four pieces of cloth,　 a dish of seeds,　 some tap water,　 some boiled water and some cooking oil. Look at the instructions on the board. Let’s read through them.;One: Put the pieces of cloth on the dishes and spread the seeds on the cloth. Label the dishes A to D. Two: Take Dish A and wet the cloth with tap water and place it in a well-aired warm spot– so by the window over there would be fine. Three: Take Dish B,　 wet it with tap water and put it in the fridge.;Four: Take Dish C and put it next to Dish A. Do not water it. Five: Take Dish D and water it with the boiled water. Then drop a small amount of oil onto the cloth and put it next to Dish C. Six: Leave them all for a few days. OK,　 now you can go ahead and set up the experiment.;Part 2: Listen to the class discussing the results of the experiment. Students include Andrew (A),　 Rosemary (R) and Sandy (S). TH: Right,　 let’s talk about what’s happened in our experiment. What are the results? Andrew? A: The seeds in Dish A have started growing but none of the others have.;TH: Good. Why do you think the seeds in Dish B did