新课标人教版课件系列高中英语选修( 模块)9- 4.3Experiment reports Look at the pictures in Exercise 1 and guess the answers to the questions: What materials are being used in this experiment? What do you think the purpose of the experiment is? What order do you think the pictures should go in?Listening on P79Number the pictures in the order you hear about them.231 54 Listen to the first part again and answer the questions.1. What is the purpose of the experiment? 2. To find out three important conditions that seeds