托福听力Tpo真题——动物专题

1、TPO Listening ExercisesSubject: Animal SciencesYour Name:Your Class:TP1Lecture 4is the main topic of the lectureThe types of habitats marmots preferMethods of observ ing marmot behaviorFeedi ng habits of some marmot speciesDiffere nces in behavior betwee n marmot species to the case study, why are m

2、armotsideal for observati onThey do not hide from huma nsThey reside in many regi ons throughout North AmericaThey are active in ope n areas duri ng the dayTheir burrows are easy to locatethe appropriate description of each marmot species behavior to the box below the marmots nameClick on a phrase.

3、Then drag it to the space where it bel on gs.One of the phrases will not be usedDisplays aggressive tenden cies is family orie nted says activeduri ng the win terOlympic MarmotEaster n Marmotreason does the professor give for the differenee in marmot behaviour patter nsType of food availableThe size

4、 of the populati onIn teract ion with other marmot speciesAdaptati ons to the climatedoes the professor say this()To inform the stude nt that his defi niti on is in correctTo suggest that the stude nt did not do the read ingTo en courage the stude nt to try aga inTo cha nge the topic of discussi ond

5、oes the professor say this()To express a similar concernTo en courage the stude nt to expla in what she meansTo address the stude nts concernTo agree with the stude ntTP4 Lecture 16. What is the lecture mainly aboutA. Method s of observ ing unu sual ani mal behavior.B. A theory about ways birds attr

6、act mates.C. Ways ani mals behave whe n they have con flict ing drives.D. Criteria for classifying animal behaviors.7.Indicatewhether each of the activities below describes adisplaceme nt activity.Click in the correct box for each phrase.YesNoAn ani mal attacks the ground in stead of its en emy.An a

7、nimal falls asleep in the middle of a matingritual.An animal eats some food when confronted by it enemy.An animal takes a drink of water after groomingitself.8. What does the professor say about dis in hibiti onA. It can prevent displacement activities from occurring.B. It can cause animals to act o

8、n more than one drive at a time.C.It is not useful for explaining many types of displacement activities.D. It is resp on sible for the appeara nce of seem in gly irreleva nt behavior.9.According to the lecture, what is one possible reason that displaceme nt activities are ofte ngroo ming behaviorsA.

9、 Grooming may cause an en emy or predator to be con fused.B. Grooming is a convenient and accessible behavior.C. Grooming ofte n occurs before eat ing and drinking.D. Grooming is a com mon social activity.10. Why does the professor men ti on the wood thrushA. To contrast its displacement activities

10、with those of other ani mals species.B. To explain that some animals display displacement activities other tha n groo mingC. To point out how displaceme nt activities are in flue need by theen vir onment.D. To five an example of a n animal that does not display displacement activities.11. Replay: Wh

11、at does the professor mean whe n she says thisA. She is impressed by howmuchthe student knows about redirecting.B. She thi nks it is time to move on to the next part of this lectures.C.The students answer i s not an example of a displacement activity.D. The student should suggest a differentanimal b

12、ehavior to discussn ext.TPO7 Lecture 210. what is the lecture mainly aboutHow ani mals emit ultras onic pulsesHow bats use acoustical sig nalsA comparis on of echolocatio n and radarVariati ons among bats in the use of ultraso und11. why does the professor decide NOT to add more information to the d

13、iagram on the boardShe wants students to complete the diagram themselves as an assig nmentShe n eeds to look up some in formati on in order to complete the diagram accuratelyThe additi onal in formati on is not releva nt to the topic that she wants to discuss n extStudents already have the additiona

14、linformationin their textbook12. According to the professor, what are two ways in which a moth might react whe n it detects theprese nee of a batClick on 2 an swersThe moth might stop beati ng its wingsThe moth might emit high-freque ncy soundsThe moth might leave the areaThe moth might cha nge its

15、color to match its surro undings13. What surprisinginformation did a recent experiment reveal aboutlesser spear- no sed batsThey filter out echoes from some types of treesThey can analyze echoes from stationary objects with complex surfacesThey cannot an alyze jagged echoesThey cannot an alyze echoe

16、s from certa in types of small movingobjects.14. According to the professor ,why does a pine tree produce a smooth echoBecause it has a smooth trunkBecause it has large bran ches spaced at regular in tervalsBecause it has many small, den sely packed n eedlesBecause it remai ns stati onary in all typ

17、es of weather15. Why does the professor say this()To an swer a questi on that Carol askedTo correct a stateme nt that Carol madeTo praise Carol for an example that she gaveTo give an example of a prin ciple that Carol statedTPO8 Lecture 11. What is the main purpose of the lectureA. To compare active

18、 habitat selection with passive habitatB. To show that most habitat preferences in animals are learnedC. To compare the habitat requirements of several bird speciesD. To exam ine the con seque nces of habitat select ion by ani mals2. What element of the lovers habitat in California was threatenedA.

19、The availability of foodB. The availability of waterC. The safety of nests from human activityD. The protection of nests from predatory birdsblu电warblerselection3. What does the professor illustrate with the example of the blue warblerA. The relationship between human activity and habitat lossB. The

20、 relationship between habitat and reproductive successC. The advantages of habitats with low vegetation densityD. The reproductive advantage that young warblers have over older warblers4. Whydoes the professor mention the population density of blackcaps in two differenthabitatsA. To explain the simi

21、lar reproductive rates in the two habitatsB. To explain the rela tion between a speciespopulation density and its nestingbehaviorC. To illustrate the advantages of a preferred habitat over a secondary habitatD. To illustrate the possible impact of making a poor habitat selection5. According to the p

22、rofessor, why did some blackcaps choose a secondary habitatA. They were following a moving food supplyB. Their preferred habitat was taken over by another bird speciesC. Their nesting sites were disturbed by human activityD. Their preferred habitat became too competitive6. Listening again to part of

23、 the conversation. Then answer the question. What can beinferred about the professor when she says thisA.She realizes that she just contradicted a statement she madeearlierB.She is about to discuss another aspect of the topicC.She thinks the answer to her question is obviousD.She wants students to r

24、ecall a case that she has already discussed.TPO10 Lecture 16 What is the lecture mainly aboutORece nt fossil evide nee connecting whales and the hippopotamusODifficulties in the determining the evolutionary history of whalesOSimilarities among ancient ancestors of whalesOSimilarities between whales

25、and other modern-day animals7 According to the professor, what three aspects of the Ambulocetus fossil makeAmbulocetus a likely bridge between land mammals and sea mammalsClick on 3 an swersOIt had an elon gated skeletal structureOIt stron gly resembled a moder n hippopotamusOIt had an unu sually ki

26、nd and thi n tail for a whaleOIt had limbs that could have bee n used for walkingOIts skull had ear bones characteristic of land mammals8 According to the professor ,what does the discovery of Ambulocetus mean toresearchersOIt fills a gap in the fossil evidenee for whale evolutionOIt has becomeless

27、significant since the discovery of BasilosaurusOIt call into doubt the theory that whale evolved from land mammalsOIt suggests that whales evolved more recently than was previously believed9What evidenee suggests that whale are descendants of the hippopotamusOSimilariti es betwee n hippopotamus foss

28、ils and the Ambulocetus fossilOSimilarities in the genes of hippopotamuses and whalesOSimilarities in the habitats of modern hippopotamuses and ancient whalesOSimilarities in the skeletal structures of moder n hippopotamusesand an cie nt whales10 What is the professors opinion about rece nt gen etic

29、 studies relati ng to whaleevolutio nOThey solve a long-sta ndi ng mystery inv olvi ng fossil evide neeOThey contain sig nifica nt errorsOThey prese nt evide nee that con flicts with fossil evide nee.OThe findings of the various studies should not have surprised researchers11. What does DNAevide nee

30、 in dicate about relati on shipsamon gwhalesOAll moder n whales desce nd from sperm whalesODiffere nces among toothed whales are less sig nificant that waspreviously thoughtONot all toothed whales are closely relatedOSperm whale are more closely related to killer whales tha n was previouslythoughtTP

31、O11 Lecture 12.what is the talk mai nly aboutVarious predators that threate n young birdsVarious patter ns of growth in young birdsOne way that birds protect their youngOne way that birds provide food for their young3.according to the lecture, what do birds usually do when putting on a distractio nd

32、isplayClick on 2 an swersThey imitate ano ther ki nd of an imalThey fly in circles around their n estThey cover their n est with their wingsThey prete nd they are sick or injured4.according to the lecture,when do birds put on their most conspicuous distraction displaysJust before they lay their eggs

33、Immediately after they have laid their eggsJust before their young become in depe ndentImmediately after young have left the n est5.why does the professor say this()To in troduce an expla nati onTo express un certa intyTo point out an errorTo emphasize a point that should be obvious6.Why does the pr

34、ofessor say this()To expla in the behavior of the predatorTo emphasize that predators have excelle nt hun ti ng skillsTo state the purpose of birds behaviorTo emphasize the risks invo Ived in a distracti on display7.why does the professor say this()To describe the behavior of an injured san dpiperTo

35、 give an example of a well-performed broke n-wing displayTo show why some san dpipers fail to distract predatorsTo distinguishthe sandpipersdisplay from another kind ofdisplayTPO14 Lecture 2Part 31. What is the lecture mainly aboutDifficulties ani mals have in regulati ng their body temperaturesHow

36、people can affect an imalsmicroclimates Ways of ide ntify ing differe nttypes of microclimates The importa nee of microclimates to some ani mals2. What two factors does the professor say can affect a microclimateClick on 2 an swers.The size of the animal population in the areaThe nu mber of other mi

37、croclimates in the areaThe elevati on of the land where the microclimate is locatedHuma n activity in the area where the microclimate is located3. What point does the professor make when she mentions squirrelsStudying squirrels has helped biologists identifydifferentmicroclimates.Mammals have more t

38、han one way of regulating their body temperature.Smaller animals have more success than larger animals in adapting to different microclimates.Squirrels do not rely on microclimates as much as other mammals do.4. What does the professor imply the professor imply about reptiles and microclimatesMicroc

39、limates can be both helpful and harmful to reptiles.Microclimates are one of the many ways reptilescontrol their bodytemperature.Many reptiles positi on themselves in microclimates whe n wait ing for theirprey.Many reptilesspend most of their time in one type of microclimate.5. Accordingto the profe

40、ssor, how do decomposing leaves affectmicroclimatesDecompos ing leaves form layers that preve nt sun light from warmi ng theground below the leaves.Decompos ing leaves in sulate burrows, keep ing the burrows cool. Decomposing leaves gen erate heat, creati ng a warm microclimate. Decompos ingleaves b

41、ring moisture to dry microclimates.6. Listen again to part of the lecture. Then answer the question.Why does the stude nt say this:To refer to a well-k now misc on cepti on about reptilesTo indicate that he understands the professors explanationsTo provide an example that may be an exception to the

42、professors stateme ntTo indicate that there is more than one explanation for a phenomenonTPO15 Lecture 429. Why does the professor discuss the exploratio n of hydrothermalventsTo show how the explorationhelped researchers to determinethe compositi on of ocea n water.To show how the explorati on chal

43、le nged an assumpti on aboutbiological com mun ities.To compare two competi ng theories con cer ning chemos yn thesis.To compare the life cycle of un derwater pla nts to the life cycle of underwater an imals.30. What are three of the con diti ons of water n earhydrothermal vents that made researcher

44、s thi nk they would n ot findlivi ng orga ni sms thereClick on 3 an swersExtreme heatExtreme pressure Fast curre nts Lack of min erals Lack of sun light31. What does the professor imply about the researchersreaction to the biologicalcommunity discovered on the oceanfloorThey were surprised at the la

45、rge variety of organisms living n earhydrothermal ven ts.They were surprised to find any bacteria living without sun light.They were disappo in ted at not finding any ani mal life. They could notagree on the sig ni fica nee of the data that they collected.32. According to the professor, what is the

46、role of chemos yn thesis inbiological com mun ities that are found hydrothermal ventsIt enables organisms to convert hydrogen sulfide into food. It en ablesorga ni sms to convert tiny amounts of light into en ergy.It en ables orga ni sms to withsta nd large amounts of carb on dioxide.It en ables org

47、a ni sms to regulate their temperature.33. Why does the professor men tio n the bacteria that live in side atube wormTo give an example of orga ni sms that pose a threat to tube worms.To explain what provides the organic material that tube worms use foren ergy.To give an example of other orga ni sms

48、 that can withsta nd extremeheat.To give an example of orga ni sms that are invo Ived in both chemos ynthesis and photos yn thesis.34. What does the professor imply whe n she says this She willreview in formatio n from the assig ned chapter. She will prese nt additional in formati on related to the

49、assig ned chapter.The quiz on the assig ned chapter will be Ion ger tha n otherquizzes.The class has spe nt too much time on the assig ned chapter.TPO16 Lecture 36. What is the lecture mainly aboutA. Differe nt foragi ng strategies among ani mals.B. Methods beavers use to gather buildi ng materials.

50、C. Decisi ons beavers make about where to live.D. Choices beavers face whe n foragi ng.7. What differences between aspen trees and ash trees does the professor pointoutA. Aspen trees are easier to transport.B. Aspen trees provide better wood for construction.C. Aspen trees provide less nutrition for

51、 beavers.D. Aspen trees have more overall value to beavers.8. What does the professor identify as the two central issues involved in beaversbehaviorClick on 2 answers.A.How far from home to forage.B.How to cope with competition.C.What size tree to cut down.D.What time of year material for constructi

52、on is available.9. What does the professor say about the cutting down of large treesA. Beavers generally prefer cutting down large trees to small trees.B. Beavers generally do not travel long distances to cut down large trees.C. Beavers will not cut large trees of certain species.D. Beavers use larg

53、e trees mainly for the purpose fo building shelters.10. According to the professor, why do beavers generally forage at nightA. Beavers are safe from predators if they forage at night.B. Foraging at night requires less energy than foraging in the daytime.C. Beavers stay with their offspring during th

54、e daytime.D. Beavers face less competition for food from other animals during the night.11. Why does the professor say thisA. To explain her reasoning.B. To indicate why her belief was wrong.C. To give an example of a decision beavers make.D. To explain the reason beavers travel far for wood.TPO17Le

55、cture 41.What is the lecture mainly aboutA.Different kinds of color vision in sea animals.B. Differences in appearance between various species of octopus.C. Ways that octopuses attract their prey.D. Ways that octopuses protect themselves from predators.2. Why does the professor first mention Proteus

56、A. To explain how the octopus got its scientific name.B. To introduce the octopusexceptional abilities.C. To point out that the octopus played an important role in Greek mythology.D. To provide an example of a mythological character that was part animal andpart human.3. How does an octopus change co

57、lor to match the colors in its environmentClick on 2 answersA. By raising its papillae.B. By releasing colored ink.C. By reflecting light from its environment.D. By contracting the muscles around its chromatophores.4. What does the professor say about the function of the papillaeA. They produce dye

58、in different colors.B. They propel the octopus through the water.C. They change the texture of the octopusskin.D. They help the octopus contract into a smaller shape.5. What two examples does the professor mention to describe the octopusability to change its shape Click on 2 answersA. A small round

59、stoneB. The leaves of a plantC. A cloud of ink.D. A piece of coral.6. Why does the professor say thisA. To point out an error.B. To illustrate a point.C. To propose an explanation.D. To correct a misunderstanding.TPO 18 Lecture 429. What is the main purpose of the lectureTo explain the biologicaladv

60、antages of a physical change that occursin North America n wood frogsTo explain why the North American good frogs habitat range has expandedTo describe the functioning of the circulatory system of the North America n woodfrogTo introducestudentsto an unusual phenomenon affecting NorthAmerica n wood