Unit 1 Video Time 课件-2021-2022学年高中英语人教版（2019）选择性必修第四册

Period 5 ：Video Time UNIT 1 SCIENCE FICTION UNIT 1 SCIENCE FICTION 1 To know something about crop circles To watch a video and answer some questions To develop critical thinking by discussing some questions after watching the video What did you know about mysterious crop circles? What do you want to know about them? Crop circle, large geometric (几何图形的) pattern of flattened crops, most often found in fields in southern England. Crop circles are said by some who have studied them to be messages from intelligent extraterrestrial (地球外的) life, but many have been proved to be the work of humans. This video examines a strange phenomenon that has taken place in the English countryside for many decades. From time to time, crop circle pattens have appeared, with people debating for years their possible causes and meanings. Mysterious Crop Circles Look at the photos from the video and discuss the questions in groups. 1. What do you think these patterns represent? 2. Who or what do you think made patterns and how? I don’t think these patterns represent anything. They just look like nice designs. I think they were made by people as a practical joke. Watch the video and discuss the questions. 1. Who are the two people interviewed in the video? 2. How did they explain these circles? 1. Who do some people think the circles are made by? 2. Why did Mr. Presley decide to find out more about the circles? Some people suggest that different cultures may have constructed them as ways of communicating with aliens. Others say that ancient peoples must have created them to please the gods. He loves puzzles. 4. Why do Matthew and his team like making crop circles? 3. Where were other types of circles found? In a forest near Vancouver, a body of water while the area around it remains frozen. Because they think that crop circle design is actually a creative art done by human beings, and the teams sometimes challenge each other to amaze the public by showing what they can do in an evening. Why