3.Lecture in space Listen to Mingdi talk about his experience and answer the questions below. What was the most was totally amazed when they I impressive moment? were conducting the optics恍学 experiment. Questions: 1.What was he doing that morning? 2.How did he feel after hearing the news? 3.How many students were watching? 4.What was the most impressive moment for him?Questions: 1.What was he doing that morning? 2.How did he feel after hearing the news? 3.How many students were watching? 4.What was the most impressive moment for him? Listen to Mingdi talk about his experience and answer the questions below. What was the most impressive moment? 3.Lecture in space