湖南省长沙大学附属中学高中英语必修二：UNIT 1 WELCOME TO THE UNIT （共27张PPT）.ppt

1、Welcome to the unitUnit1Quiz:what is the most beautiful thing one can experience?The most beautiful thing one can experience is mysteries.They are truly the basis of all arts and sciences.Albert EinsteinWhat can you see in the video?Is it a UFO?Brainstorming:What other unexplained things do you know

2、 aboutLeonardo Da Vinci painted the Mona Lisa on a piece of pine wood(松树)in the year 1506.pyramids one of the seven wonders of the world tombs(坟墓)for ancient Egyptian kingsThe Bermuda TrianglePair work1.Do the four pictures have something in common?If so,what is it?2.Can scientists explain these phe

3、nomena?3.How do you feel about them?Example:They are mysterious because no satisfactory answers have been offered to explain them 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 Unide

4、ntified Flying Objects,that is,objects,apparently moving in the sky,which we cannot identify.There are lots of reports about UFOs.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

5、 one with our own eyes and there is no definite scientific explanation for it,we are not certain whether UFOs really exist,but we believe everything will be clear in the future.What do the letters UFO stand for？Unidentified flying objects.Are they really from another planet?Do you believe in UFOs?Wh

6、at might be the most acceptable explanation for UFOs?Aliens from space.Military test aircraft.Some UFOs are alien,some are test aircraft.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

7、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 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-shaped.Yeti Abominable snowmanWhat do Yetis

8、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 mountain range in the world.Several sightings,mainly of footprints,have been reported by

9、 western explorers throughout the years.Yet none of them have been supported with evidence in any way.Crop circlesCrop circles are unexpected patterns that are found in fields,even in ice and snow.They are mostly found in wheat or corn fields,but have also been found in oat(燕麦),grass,and barley(大麦).

10、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,bu

11、ilt between 2800 and 1500 BC,thought to have been an astronomical calendar(天文历)or a temple to the sun.Group discussionA.If you saw a UFO or a monster some day,what would you do?Why?B.Is it necessary to explore the unexplained tales?1.tales of the unexplained:常用“the+adj./v.-ing/v.-ed”来表示一类人或物，如 the r

12、ich;the unknown;the living,the unemployedLanguage points2.talk about aliens and carry out an interview Carry out=to do and complete a task(完成)Extensive tests have been carried out on the patient.以对患者进行了全面的检查。3.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Gu

13、ess whom I ran into today!He ran into the 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4.reasonThe reason for(doing)sth./for reason/the reason why/that The reason for building the pyramids in Egypt is still unknown.=The reason why people built

14、 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 reason was he late again?=Why was he late again?reasonable adj.合理的 unreasonable adj.不合理的5.believe in unexplained things believe in 信任

15、；信仰believe相信某人的话 We usually believe him,but this doesnt mean we always believe in him.6.cant tell?tell from 区分 tell apart 区分，分清 tell sb(not)to do/tell sb that 告诉Nobody can tell the future.断定；知道Homework1.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 2.3.Translate the following sentences into English:1.他们看起来完全一样，你怎么认得出谁是谁啊？2.那个粗心大意的司机把汽车撞在一棵大树上。3.他上周偶然碰见了他大学时的老师。