施心远听力教程3Unit4答案

1、Unit 4Section One Tactics for ListeningPart 1Spot DictationStephen Powelson s Amazing MemoryWhen Stephen Powelson was nine, his school organized a (1) weeklycontestinmemorizingpassages fromtheBible.Stephen paid(2)noattention until he was chided* for (3) not competing. The next Sundayhe surprisedever

2、yone by (4) recitingallthe passages forthe (5)entireyear.As a teenager in prep school, Stephen took Greek. His teacher (6)assigned 21 lines of the Iliad* to be memorized (7) in a week. At theend of the hour - though he (8) insisted he paid full attention to the(9) lecture - Stephenknew all 21.He wen

3、t on to memorize the first(10)100 lines.In 1978, for the first time (11) since college, Powelson, now 60,had some (12) spare time. To keep his mind active, he reread the Iliadand (13) discoveredthathe stillknew the first100 lines(14) by heart.That someone could memorize so much between ages 60 and 7

4、0 is (15)astonishing to most people, who are (16) convinced that memory (17)worsens as we grow older.Powelson's method is to (18) read a book intohis tape recorder,thenread it several more times, making sure he understands (19) each word."Also," he says, "I attempt to (20) visuali

5、ze myself as part of theaction."Part 2 Listening for GistYou might not know how rarely images are viewed directly through telescopes. Themost commonway to observe the skiesis to photographthem. The processis very simple.First, a photographic plate is coated with a light-sensitive material. The

6、plateis positioned so that the image received by the telescope is recorded on it. Thenthe image can be developed, enlarged, and published so that many people can studyit.Because most astronomical objects are very remote, the light we receive from themis rather feeble. But by using a telescope as a c

7、amera, long time exposures can bemade. In this way, objects can be photographed that are a hundred times too faintto be seen by just looking through a telescope.1) This passage is about how to photograph astronomical objects.2) Photograph, coated, light-sensitive material, positioned, received,recor

8、ded, developed, enlarged, published, remote, feeble, telescope, camera, long exposuresSection Two Listening ComprehensionPart one DialogueTunisian HolidayVocabularyamphitheatremosaiccoachn.公共马车，普通旅客车厢resortn.胜地，常去之地(Someone is enquiring about the Tunisian holiday.)Agent: Hello, Bath Travel.Client:He

9、llo,I'dliketo findout more about your Tunisianholidayforamateur archaeologists. I've read about it in the paper, but I'd liketo know more about what is involved.Agent: You mean you'd like to know the itinerary?Client: Yes, that's right.Agent: Allright.Just briefly,you arrivein Tu

10、nis at midday on the firstday and go by coach to La Marsa. Then there is a short briefing by thearchaeologist and then the rest of the day you are free to explore.The second day you get up before dawn and go to Carthage to see thesunrise. You have breakfast and a lecture there and then go by coach t

11、oMansoura, where there are beautiful coves(小海湾 ). After lunch you canwalk along the beach, to Kerkouane. The walk takes about four hours.Kerkouane is one of the most recentand most excitingsites. Then by coachto Kelibia, a fishing village, in time for sunset over the harbor.Client: That sounds rathe

12、r a long walk.Agent: Well, it's an easy walk. Flat all the way, and very pretty. Butyou can go by coach, if you prefer. The third day you spend in Hammameton Cap Bon, and theday isfree toenjoythetown. It'sa lovelyoldtownand resort.And thefourthday you takethecoach totheruin ofEI Djem,which i

13、s a magnificent amphitheatre*. You have lunch in Sfax and thenyou take the ferry to the beautiful Kerkennah Islands.Client: Islands, you say?Agent: Yes,they'reverypeacefuland you spend thefifthday there.Thefishermen will take everyone out on their sailing boats and there willbe a fishermen's

14、 picnic. On the sixth day you visit the Great Mosque ofKairouan and have a picniclunch.Then takethe coach to the lovelyportof Bizertefor the last night. And the final day there is a visit to theancient Roman capital of Utica with its fantastic mosaics* and then acoach to Tunis International Airport.

15、Client: Have you got a full brochure which gives more details?ExerciseDirections:Listentothe dialogueand complete thefollowingitinerary.DayThe first dayThe second dayThe third dayTunisian holiday for amateur archaeologistsActivitiesArrive in Tunis at midday and go by coach to La Marsa.Then there is

16、a short briefing by the archaeologist.Get up beforedawn and go to Carthage to see the sunrise.You have breakfastand a lecturethere and then go by coachto Mansoura, where thereare beautifulcoves. Afterlunchyou can walk along the beach, to Kerkouane, which is oneof the most recentand most excitingsite

17、s.Then by coachto Kelibia, a fishing village, in time for sunset overthe harbor .Spend in Hammamet on Cap Bon to enjoy the town. It's alovely old town and resort.Take the coach to the ruinof El Djem, which is a magnificentamphitheatre.Have lunch in Sfax and then take the ferry!.The fourth dayto

18、thebeautifulKerkennah Islands.The fishermenwilltakeand fifth dayeveryone out on their sailing boats and there will be afishermen s picnic .Visitthe Great Mosque of Kairouanand have a picnic lunch.The sixth dayThen take the coach to the lovely port of Bizerte for thelast night.There is a visitto the

19、ancient Romancapital ofUticawithThe final dayits fantastic mosaics and then a coach to TunisInternational Airport.Part 2 PassageMexican Gray WolfExercise A Pre-listening QuestionThe wolf is a large memberof the canine( 犬科的 ) family. Most of the adult grey wolves weigh in the vicinity of 75 to 125 po

20、unds (34 to 56 kilograms). Wolves live in family groups called packs. A pack is usually made up ofa male parent, a female parent, their pups and a few other adult wolveswho are the older brothers and sisters. Wolves can run up to 40 milesan hour and can easily cover 50 miles a day.The wolf has devel

21、oped the capacity to survive in the most inhospitableof climates. The wolves in the high arctic endure several winter monthsof perpetual darkness. Even in February when the sun returns to the north, temperatures of - 40°C and bitter winds a re common. In the wild wolves can live up to 13 years

22、or more; in a protected wolf park or a controlled area of land, a wolf can live to be up to 16 years old.1) After more than a century of assault by humans, the wolf population had dwindled to no more than a handful by the 1970s in Mexico andthe American southwest.2) The program is now about halfway

23、to meeting its goal of a "wild"population of at least 100 wolves covering more than 12,800 square kilometers.3) Decisions about mating, movement among the 45 captive-breeding facilities and releases into the wild are made by a US-Mexican committee of scientists, land owners and others.4) A

24、 wolfwith raregenes - untilithas successfullyreproduced - willnever be released because· of the high mortality rate inthe wild.5) The recovery program is gradually moving away from freeingcaptive-bornwolves,as the populationof pups born freetakes off.*Franciscoand Sheilawere pioneersin a federa

25、lprogram in Eureka,32 kilometers southwest of S1. Louis, the United States, to restorethe endangered Mexican gray wolf, the rarest and most geneticallydistinct subspecies of gray wolf in North America.Aftermore than a centuryof assaultby humans, the wolf populationhad dwindled to no more than a hand

26、ful by the 1970s in Mexico and theAmerican southwest.The research center, popularly known as the Wolf Sanctuary*, wasfounded in 1971 by MarlinPerkins,a world-renowned naturalistand formerdirector of the St. Louis Zoo, and his wife Carol. Besides the Mexicanwolf,the sanctuaryworks with the endangered

27、 red wolf,manedwolf (maned:有鬃毛的 ; maned wolf鬣狼 ), swift fox and African wild dogs.In thelate 1970s,the lastseven known wolves were capturedin the wildor taken from zoos to begin the breeding program. In 1981, the firstcaptive-bred litter of Mexican gray wolves produced in the federalprogram was born

28、 at the Wild Canid (犬科动物 ) Center, and the firstreleaseintothewild tookplace in1998.The program is now about halfwayto meeting itsgoal ofa "wild"populationof atleast 100 wolves coveringmore than 12,800 square kilometers.Though in captivity themselves, Francisco and Sheila taught theirpups

29、so wellthatmany arethrivingin the wild.They were idealparents.They raised 25 babies, taught them good survival skills and sent manyof them off to live on their own.Nine of Francisco and Sheila's offspring were among the first 11captive-born Mexican gray wolves released in 1998. Both parent wolve

30、shave since died - Francisco at age 14 in December. Sheila at age 16 inJune 2000 - but they lived, as captive wolves often do, roughly twiceas longas wolvesin the wild.Today theWild Canid Survival and ResearchCenter in Eureka estimates that 98 percent of Mexican wolves releasedfrom the federal progr

31、am are descendants of the prolific* lobo* pair.（ lobo=timber wolf）About 250 lobos now liveincaptivityat 45 USand Mexican facilities.The Wild Canid Center,however, has produced more puppies and housed moreMexican grays than any other facility.The Wild Canid Center is ideated* on 25 isolated hectares(

32、公顷 )within Washington University's Tyson Research Center. The wolves livein large outdoorwith minimal human contact. They learn tohunt,livein natural family packs, andto be suspicious ofpeople - all necessary skills for surviving in the wild.Decisions about mating, movement among the 45andreleas

33、esintothewild are made by a US-Mexican committeeofscientists,landowners and others.They alsomaintain.A wolfwithraregenes - untilithas successfully reproduced- willnever be releasedbecause oftheinthewild.It'snotuncommonfor freedwolvesto be struckby cars or shot by hunters; in recent weeks, five h

34、ave died.Despite the losses, released wolves are. The recoveryprogram is gradually moving away from freeing captive-born wolves, asthepopulationofpups bornfree.Scientistswant toletnaturedecidewhat'sagoodwolfandwhat'snotthrough.The Wild Canid Center is ideated* on 25 isolated hectares(公顷)with

35、in Washington University's Tyson Research Center. The wolves livein large outdoor enclosures with minimal human contact. They learn tohunt, raise young, live in natural family packs, and to be suspiciousof people - all necessary skills for surviving in the wild.Decisionsaboutmating,movement amon

36、g the 45 captive-breedingfacilitiesand releases intothewild are madeby a US-Mexican committeeof scientists, land owners and others. They also maintain a geneticdatabase. A wolf with rare genes - until it has successfully reproduced- willneverbe released becauseof the highmortality rateinthewild.It&#

37、39;snot uncommonforfreed wolves to be struck by carsor shotby hunters;in recent weeks, five have died.Despite the losses, released wolves are reproducing. The recoveryprogram is gradually moving away from freeing captive-born wolves, asthepopulationof pups born freetakes off.Scientistswant toletnatu

38、redecide what's a good wolf and what's not through natural selection.Exercise B Sentence DictationDirections: Listen to some sentences and write them down. You will heareach sentence three times.Exercise C Detailed Listening1 Directions: Listen to the passage and complete the information abo

39、uta Mexican gray wolf research center.1) The research center's known as: the Wolf Sanctuary2) Location: in Eureka. 32 Kilometers southwest of St. Louis. theUnited States3) Founding: in 19714) Purpose: to restore the endangered Mexican gray wolf5) Founder: Marlin Perkins. a world-renowned natural

40、ist and former director the St. Louis Zoo. and his wife Carol2. Directions: Fill in the blanks with events connected with the following time expressions.1) In the late 1970s: The last seven known wolves were captured in the wild or taken from zoos to begin the breeding program.2) In 1981: The firstc

41、aptive-bredlitterof Mexican gray wolves producedin the federal program was born at the wild Canid Center.3) In 1998: The first release into the wild took place.Exercise D After-listening DiscussionDirections: Listen to the passage again and discuss the followingquestions.1) Francisco and Sheila were

42、 pioneers in a federal program. Though in captivity themselves, they taught their pups so well that many arethrivingin the wild.They were idealparents. Theyraised25 babies,taught them good survival skills and sent many of them off to live ontheir own. Nine of Francisco and Sheila's offspring wer

43、e among thefirst11 captive-bornMexican gray wolves releasedin 1998. Both parentwolves have since died - Francisco at age 14 in December. Sheila atage 16 in June 2000 butthey lived,as captivewolves oftendo, roughlytwice as long as wolves in the wild.The Wild Canid Center is ideated on 25 isolated hec

44、tares within.Washington University's Tyson Research Center. Today the Wild CanidSurvival and Research Center estimates that 98 percent of Mexicanwolvesreleased fromthefederalprogramaredescendants oftheprolificlobo pair.About 250 lobosnow livein captivityat 45 US andMexican facilities. The Wild C

45、anid Center has produced more puppiesand housed more Mexican grays thanany other facility. Other large USnewspapers were singled out too, including the Wall Street Journal,which won the Pulitzerforbreakingnews, despitebeing displacedfromits offices at the World Trade Center. The Washington Post rece

46、ivedPulitzers in two categories, investigative and national reporting.(Open)Section Three NewsNews Item1When Astroland opened in 1962 it represented the future ofamusement theme parks, boasting state-of-the-art rides(游乐场所供人玩乐的乘坐装置 ) and attractions operating with an outer-space theme.The parkis a fi

47、xtureon the Coney Islandboardwalk,bestknownfor the Cyclone,itswooden rollercoasterand the WonderWheel,a seasidelandmark.Astroland's22 ridesand three gamearcadesprovided jobs for up to 300 people.Astrolandhas been by farthebiggest amusement center on ConeyIsland,whichhasbeena favoriteholidaydesti

48、nationforAmericans in the New York area since the 19th Century. It isthe birthplaceof the hot dog and isknown foritskitschyrides,streetperformers,sandbeachesandfamily-friendlyatmosphere.But Astroland'sfinal chaptermay be stillto come. A few daysafter the park'sannounced closure,NewYork CityM

49、ayor MichaelBloomberg said hope is not yet lost, and that city officialsare tryingtostep in and geta one-year renewalofAstroland'slease.A. Astroland s announced closureB. 1. It opened in 1962.2. Itrepresentedthe futureof amusementtheme parks,boastingstate-of-the-artridesand attractionsoperatingwithouter-space theme.3. Itisbest known forthe Cyclone, its woodenroller coasterand the Wonder Wheel, a seaside landmark.an4. Because they enjoy its kitschy ride