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1、Tales of the unexplainedWelcome to the unitUnit1What do the letters UFO stand for？Unidentified,naidentifaid flying objects.Are they really from another planet?Do you believe in UFOs?What might be the most acceptable explanation for UFOs?A spaceship from another planetA satellite A weather balloonUFO
2、s dont exist.No one can explain them for sure.Task two:Picture talkThere are four pictures in the textbook(Page 1).Please work in group to discuss the questions for each picture,summarize your answers and then report them to the class.Do the four pictures have something in common?If so,what is it?Th
3、ey are mysterious because no satisfactory answers have been offered to explain them so far.Though these mysteries have puzzled scientists for a long time,they still show great interest in them.People feel puzzled by the mysteries.The chances of seeing a UFO are greater for those people who live in s
4、mall towns or in the country and are outside late at night.UFOs come in all shapes and sizes.Some are only small spots of light that move in strange patterns across the night sky.Some can be seen in the daytime.They are often said to be disk-or saucer s:s-shaped.Yeti What do Yetis look like?Half-man
5、 and half-beastStrong,hairy Abominable snowmanbminbl喜马拉雅雪喜马拉雅雪人；雪人人；雪人Crop circlesCrop circles are unexpected patterns that are found in fields,even in ice and snow.作物怪圈，庄稼怪圈作物怪圈，庄稼怪圈 They are mostly found in wheat or corn fields,but have also been found in oat(燕麦燕麦),grass,and barleyb:li (大麦大麦).Ston
6、ehengePrehistoric monument on Salisbury Plain,索尔斯堡索尔斯堡平原平原 southern England,consisting of two concentric circles(同心圆同心圆)of large standing stones,the heaviest of them weighing probably about 45 tons,one of the most famous prehistoric sites in the world,added to the UNESCOs list of World Heritage Site
7、s in 1986,built between 2800 and 1500 BC,thought to have been an astronomical ,strnmikl calendar klind(天文历天文历)or a temple to the sun.,stunhend 巨石阵；史前时期巨大石巨石阵；史前时期巨大石柱群柱群 Brainstorming:What other unexplained things do you know aboutLeonardo Da Vinci painted the Mona Lisa on a piece of pine wood(松树松树)
8、in the year 1506.pyramids pirmid one of the seven wonders of the world tombs(坟墓坟墓)for ancient Egyptian kingsThe Bermuda bmju:d Triangle百慕大三角百慕大三角 HomeworkHomework1.Surf the Internet and learn more about world mysteries.Prepare a short speech to introduce something that interests you.2.Preview the reading passage:Boy missing,police puzzled.Answer the questions on page 2.