1、Welcome to the unitUnit 1In your opinion,what is the most beautiful thing one can experience?Why?Group discussionWhat have you known about Albert Einstein?Why was he so great?Einstein contributed more than any other scientist to the modern vision of physical reality.His special and general theories
2、of relativity are still regarded as the most satisfactory model of the largescale universe that we have.He solved lots of problems mysterious to us beforeDo you want to know his opinion of the most beautiful thing one can experience?The most beautiful thing one can experience is mysteries.They are t
3、ruly the basis of all arts and sciences.-what kind of attitude should we adopt towards mysteries?Have you ever heard of something not only interesting and attractive but also unexplained at all even with the help of modern science and technology in the world?Leonardo Da Vinci painted the Mona Lisa o
4、n a piece of pine wood(松树)in the year 1506.The Bermuda TrianglePair work1.Do the five pictures have something in common?If so,what is it?2.Can scientists explain these phenomena?3.How do you feel about them?Example:They are mysterious because no satisfactory answers have been offered to explain them
5、 so far.Though these mysteries have puzzled people for a long time,they still show great interest in them.People feel puzzled by the mysteries Example:UFO stands for Unidentified Flying Objects,that is,objects,apparently moving in the sky,which we cannot identify.There are lots of reports about UFOs
6、.Some say they are aliens visiting us in their spacecraft,and some say they are military test aircraft,while others say they do not actually exist.Since we have never seen one with our own eyes and there is no definite scientific explanation for it,we are not certain whether UFOs really exist,but we
7、 believe everything will be clear in the future.What do the letters UFO stand for？unidentified flying objectsAre they really from another planet?Do you believe in UFOs?What might be the most acceptable explanation for UFOs?Aliens from space.Military test aircraft.Some UFOs are alien,some are test ai
8、rcraft.UFOs are evidence of human space travel.UFOs are neither alien nor test aircraft.UFOs dont exist.The chances of seeing a UFO are greater for those people who live in small towns or in the country and are outside late at night.UFOs come in all shapes and sizes.Some are only small spots of ligh
9、t 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-shaped.Where is it?Himalayasthe highest mountain range in the worldweatherHigh windsSnowstormsColdWetWhy so many people make great efforts to climb them?HobbyDreamChallenge t
10、hemselvesOvercome difficultyMake discoveriesYeti Abominable snowmanWhat do Yetis look like?Half-man and half-beastStrong,hairy The Yeti or Abominable Snowman,also called the“missing link”（推想中从类人猿发展到人类之间的过渡生物）,is said to be a humanlike monster that is supposed to live in Himalayas,the highest mountai
11、n range in the world.Several sightings,mainly of footprints,have been reported by western explorers throughout the years.Yet none of them have been supported with evidence in any way.Loch NessA big lake in Scotland,one of Scotlands top tourist attractions,famous because of Nessie,the Loch Ness Monst
12、er.Loch Ness MonsterOn the 21st December 1933,The hunter,M A Wetherall,It is a four fingered beast and it has feet or pads of eight inches across.I judge it to be a powerful soft footed animal about 20 feet in length.I am sure that it can breathe like a crocodile with just one nostril out of the wat
13、er.StonehengePrehistoric monument on Salisbury Plain,southern England,consisting of two concentric circles(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 Sites in 1986
14、,built between 2800 and 1500 BC,thought to have been an astronomical calendar(天文历)or a temple to the sun.Pyramids,EgyptThe SphinxHalf human,half lion,the Sphinx is 240 feet long and 66 feet highAll Egyptian pyramids were built on the west bank of the Nile,as the site of the setting sun was associate
15、d with the world of the dead in Egyptian mythology.The Great PyramidThe Great Pyramid of Khufu is one of the seven wonders of the ancient(古代的)world.No one knows how people can put such big stones on without any machine.It is the greatest of the Egyptian pyramids.They are burial places(墓地)for the Pha
16、raohs(法老).It is the symbol of Egypt.Some people say the pyramids are built by the aliens.Group discussion:What other unexplained things do you know about?If you saw a UFO or a monster some day,what would you do?1.tales of the unexplained:常用“the+adj/v-ing/v-ed”来表示一类人或物，如 the rich;the unknown;the livi
17、ng,the unemployedLanguage points2.talk about aliens and conduct an interviewconduct=lead or guide 领导、指导、引导高小姐领着游客们参观了博物馆。Miss Gao conducted the visitors round the museum.conduct管理、主持、经营、指挥onduct business 经营生意conduct a meeting 主持会议conduct a survey 进行一项调查他处理公事很粗心。He conducts his business affairs in a
18、careless way.3.full of mysteries unsolved 充满难以解释的神秘be full of;be filled with无法解释的unexplained未知的 unknown未完成的unfinishedHe died suddenly with his work unfinished.He went out to play,leaving his homework unfinished.4.advanced science and technologyadvanced adj.先进的；进步的；高级的advanced teaching methods advanc
19、ed ideas he advanced education advanced mathematics 先进的教学方法先进的思想高等教育高等数学in advance adv.预先，事先，提前预知未来的发生是不可能的。It is impossible to know in advance what will happen.5.a sunken shipsinksanksunken sunken adj.已经沉没了的sinking adj.正在下沉的 比较：They tried in every way possible to rescue the sinking boat.They tried
20、to bring the sunken ship out of the sea.又如：the rising sun the risen sun the falling leaves the fallen leaves Last night,his house was destroyed by a fallen(fall)tree.6.You might run into a Yeti.偶然遇见=run across=come across=happen to meet=meet by chance撞跑进流入Guess whom I ran into today!He ran into the
21、back of another car the other day.We saw the boy run into the house.The river runs into a lake.遇见撞跑进流入7.Thats why 那就是为什么.,那就是.的原因 Thats because 那是因为.他今天不在,那是因为他病了。He is absent today.Thats because he is ill.I had neither a raincoat nor an umbrella.Thats why I got wet through.8.reasonThe reason for(do
22、ing)sth./forreason/the reason why/that The reason for building the pyramids in Egypt is still unknown.=The reason why people built the pyramids in Egypt is still unknown.The reason why he was ill was drinking the polluted water.=The reason for his illness was drinking the polluted water.For what rea
23、son was he late again?=Why was he late again?reasonable adj.合理的 unreasonable adj.不合理的9.believe in unexplained things believe in 信任；信仰believe相信某人的话 We usually believe him,but this doesnt mean we always believe in him.10.some day;将来某一天 one day过去或将来某一天11.cant tell?tell from 区分 tell apart区分，分清 tell sb(n
24、ot)to do/tell sb that告诉Nobody can tell the future.断定；知道Translation of some phrases:1.无法解释的传说，未解之谜2.充满神秘3.先进的科技，高科技4.偶遇5.某天（将来的）6.一艘沉船7.提前tales of the unexplainedbe full of mysteriesadvanced science and technologyrun into/come across/meet by chancesome day a sunken ship in advance/ahead of time/ahead of schedulehomeworkSurf the net and learn more about world mysteries.Prepare a short speech to introduce something that interests you.Translate the following sentences into English:我不知道出于什么原因他没来参加我们的聚会。他们看起来完全一样，你怎么认得出谁是谁啊？你怎么知道要按这些中的哪一个？那个粗心大意的司机把汽车撞在一棵大树上。.他上周偶然碰见了他大学时的老师。
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