Unit 1 Video Time 高中英语人教版（2019）选择性必修第四册.pptxVIP

UNIT 1SCIENCE FICTIONTo 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.Beginning in the late 1970s, simple crop circles began to appear regularly in the fields of Wiltshire, Oxfordshire, Somerset, and Gloucestershire in southern England. They were made at night, and over the years they became more complex, growing into large patterns of geometric forms hundreds of feet across. Various theories have been offered in explaining these formations, ranging from naturalistic to the paranormal (超自然的). From a naturalistic standpoint, it is believed that the formations are man-made hoaxes or geological irregularities. In paranormal circles, it is believed that these “crop circles” are created by meteorological (气象的) phenomena and are representative of messages from extraterrestrials to help us with peace on Earth.Mysterious Crop CirclesThis 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.Look at the photos from the video and discuss the questions in groups.1. What do you think these patterns represent?I don’t think these patterns represent anything. They just look like nice designs.2. Who or what do you think made patterns and how?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?Watch the video again and an