托福TPO45听力题目+答案+MP3音频.docx

1、托福TPO45听力题目+答案+MP3音频托福TPO45听力题目+答案+MP3音频下载MP3音频由于不能上传，且想要下载更多托福TPO听力的同学，请点击：托福TPO听力大全（1-48下载）此外，想要下载更多托福TPO的同学，想要下载托福TPO阅读的同学，请点击：托福TPO阅读大全（1-48,48是最新的TPO阅读内容）如果你对托福TPO写作感兴趣的话，请点击下载：托福TPO写作大全（1-48，综合写作和独立写作均更新到48）还有托福TPO口语，目前我们的托福TPO口语只更新到35，如果你想下载的话，请点击：托福TPO口语大全（含MP3音频）Conversation 11. Why does th

2、e student go to see the man?(Click on 2 answers)ATo discontinue a campus serviceB To pay the fee for her campus mailboxC To get information about mailing a packageDTo pick up a package2. What does the man say about the campus mailbox service?A Its rates for all students have recently gone down.B It

3、is the only way to receive certain mailings about university eventsCAll students are required to use it.DIt is more reliable than e-mail.3. How does the student usually obtain information about campus events? (Click on 2 answers)AShe reads about them on the university Web site.BShe learns about them

4、 at her place of work.CShe sees the posters on a bulletin board.DHer roommate tells her about them.4. What does the man offer to do for the student?AReduce the cost of renting a mailboxBSend her a form to fill outCProvide university organizations with her new addressDDeliver a package to her apartme

5、nt5. Why does the student say this:ATo indicate that she agrees with the manBTo inform the man of a recent developmentCTo prevent a misunderstandingDTo support her own positionConversation 21. Why does the woman go to see the professor?ATo get suggestions about what to include in her next presentati

6、onBTo follow up on a question she had raised in classCTo update him on a research project she is helping him organizeDTo get information about a program that he had mentioned in class2. What do the speakers agree is a benefit of the build-operate-transfer economic model that they discuss?AIt permits

7、 government engineers to work on private construction projects.BIt helps private companies buy facilities that were built by the government.CIt enables public facilities to be constructed without government funding.DIt enables private companies to operate public facilities that the government builds

8、.3. Why does the professor point out how much coffee is produced in Brazil?ATo give an example of the economic model the woman is interested inBTo explain why it is appropriate for him to teach a seminar about coffeeCTo help clarify one of the goals of the Global Enrichment InitiativeDTo correct a c

9、ommon misperception about Brazils economy4. Why is the woman interested in applying to go only to Turkey? (Click on 2 answers)AShe has been studying Turkeys history and language.BShe has already visited Brazil and Russia.CShe believes that selecting just one country will help her get accepted into t

10、he program.DShe would like to see how an economic model she studied is put into practice there.5. What does the professor imply when he says this:AHe thinks that going first helped the woman be less nervous about giving a presentation.BHe hopes other students will structure their presentations the w

11、ay the woman did.CThe woman was the first student ever to give a presentation on Turkeys economy in his class.DHe is relieved that the class is staying on schedule for making presentationsLecture 11. What is the lecture mainly about?AReasons for the transition from religious to secular themes in Ren

12、aissance artBThe disproportionate influence of Italian artists during the Renaissance periodCTechniques used during the Renaissance to produce realistic works of artDA comparison of themes in paintings and sculptures during the Renaissance2. What is the professors opinion of Leon Battista Alberti as

13、 an artist?AAlbertis interests were too diverse for him to succeed in any one fieldBAlberti was ineffective in imposing his own theories on other artists.CAlberti was a much more skilled artist than da Vinci or Michelangelo.DAlberti represents the Renaissance ideal of wide-ranging achievement.3. Acc

14、ording to the professor, what did Alberti consider to be the most important aspect of a Renaissance painting?AThat it convey an appealing narrativeBThat its figures be posed symmetricallyCThat its theme not be religiousDThat its characters be positioned within a landscape4. Why did some artists begi

15、n to use the contrapposto pose?ATo create a cartoon-like effectBTo help viewers identify the main figure in a work of artCTo show the relative sizes of human figuresDTo make human figures appear more natural5. Why does the professor discuss tendons and muscles?ATo emphasize that Albertis study of an

16、atomy led to his interest in artBTo show the emphasis Alberti placed on using physically fit modelsCTo illustrate the difficulty of maintaining a contrapposto pose in real lifeDTo explain one of Albertis methods for creating accurate proportions6. Why was the development of linear one-point perspect

17、ive important to Renaissance artists?AIt helped painters to place figures more symmetrically within their paintings.BIt allowed painters to create an illusion of three dimensions.CIt enabled artists to paint large landscapes for the first time.DIt encouraged artists to take an interest in geometry.L

18、ecture 21. What is the lecture mainly about?AThe process by which immune cells are producedBThe effects of consuming far fewer calories than usualCThe function of an organ found in rhesus monkeys and in humansDThe discovery of a nutrient necessary for good health2. Why does the professor mention the

19、 thymus?ATo explain how different types of food are turned into energyBTo give an example of an organ attacked by certain bacteriaCTo introduce a research study by a nutritional biologistDTo answer a question about certain immune cells3. According to the professor, why are some cells called naive?AT

20、hey originate from a relatively primitive type of cell.BThey are easily eliminated by the immune system.CThey are not yet able to recognize any particular protein marker.DThey can become part of any one of various organs of the body.4. In a recent study mentioned by the professor, what are two diffe

21、rences between the monkeys that have been fed a normal diet and the ones that have not?(Click on 2 answers)AThe monkeys on a normal diet appear older.BThe monkeys on a normal diet get sick less often.CThe monkeys on a normal diet have fewer naive T cells.DThe monkeys on a normal diet tend to live lo

22、nger.5. What does the professor think about a calorie-restricteddiet?(Click on 2 answers)AShe would not find it easy to follow.B She is not sure humans would benefit from itC Doctors are not likely ever to recommend it for people.D It would probably affect humans differently than it affects monkeys.

23、6. What does the professor mean when she says this:AProblems in the study make its conclusions difficult to believe.BThe actual effect on mice was not what it seemed.COther studies of mice produced different results.DOther animals seem to react as mice do.Lecture 31. What does the professor mainly d

24、iscuss?ACharacteristics of different types of mixturesBDifferences between mixtures and solutionsCWays of separating components of mixturesDIdentifying variable properties of solutions2. In the lecture, the professor gives examples of homogeneous and heterogeneous mixtures. For each mixture below, i

25、ndicate which kind it is.Click in the correct boxes3. What is one basis for classifying a mixture as homogeneous or heterogeneous?AWhether its component parts are the same type of matterBWhether its component parts are present in equal proportionsC Whether it contains one phase or more than one phas

26、eDWhether it appears, without magnification, to contain a single component4. What can be inferred from the lecture about the process of distillation?AIt cannot be used if a mixture has variable properties.BIt can be used to separate the components of homogeneous mixtures.CIt is used to change hetero

27、geneous mixtures Into homogeneous mixtures.DIt is a more efficient way of separating components of heterogeneous mixtures than filtration.5. Why does the professor mention the freezing point of a mixture?A To explain why salt dissolves in waterBTo emphasize that mixtures can exist in a frozen stateC

28、To show how filtration and distillation differDTo give an example of a variable property of mixtures6. What does the professor imply when he says this:AHe wants to correct a statement he made previously.BHe is uncertain whether the students understood his explanation.CThe meaning of a term should be

29、 obvious to the students.DThe students are probably unaware that they have already seen examples of heterogeneous mixtures.Lecture 41. What is the main purpose of the lecture?ATo explore possible solutions to an anthropological mysteryBTo analyze the results of a nutritional experimentCTo explain wh

30、y human beings first started creating ceramicsDTo examine changes in the dietary preferences of an ancient culture2. According to the professor, wtiy would the ceramic vessels used by ancient Arctic people be likely to break?AAncient Arctic people used cooking techniques unsuitable for ceramic pots.

31、B Ancient Arctic people were frequently moving from place to place.CThe vessels were not made with high-quality clay.DThe vessels were often exposed to extreme temperatures.3. Why does the professor mention that the Arctic climate is cold and wet?ATo explain why ancient Arctic people found warm food appealingBTo explain why ancient Arctic people required a diet that was rich in meatC To explain the difficulties of manufacturing pottery in such a climateD