新增听力21篇答案解析版Word下载.docx

1、C. To point out why lions often win fights against animals of other species D. To explain some of the benefits of exaggerating ones own strength4. The speakers discuss a hypothetical scenario involving bears. In this scenario, what would happen to the first bears that used deceptive signalsA. They w

2、ould reproduce more than other animals in their species. B. They would not have energy for tasks other than communication.C. They would become unable to understand signals from other animals. D. They would eventually return to using only honest signals .5. What does the professor imply when she talk

3、s about the handicap principle ?A. Weak animals defend themselves by increasing the volume of their vocalizations.B. Most animals vocalization behavior is not explained by the handicap principle. C. Some animal species cannot afford the costs of honest communication. D. Individual animals behavior i

4、s consistent with long-term benefit to the species.And eventually theyd evolve further not to bother producing signals at all, communication would break down completely. Talk about chaos!6. Why does the professor say this: Talk about chaos!A. To encourage the students to contribute some of their ide

5、asB. To express surprise that some animal communication has broken down C. To emphasize that the situation she describes would be unfavorableD. To suggest that honest communication can sometimes lead to chaos答案： C A B A D C;P21. What does the speakers mainly discuss?A. Steps involved in improving cu

6、stomer serviceB. Advantages and disadvantages of lean engineeringC. Reasons that inefficiency is so widespread in the business worldD. Strategies for increasing efficiency within a company2.What point does the professor make about the inventory of a company?A. Storing inventory is less problematic t

7、han storing raw materials. B. Inventory should be reduced as much as possible.C. Inventory should be stored in warehouses located close to the manufacturing plant.D. Large companies need more inventory than small ones.3. What does the professor say about the accounting department he worked with?A. T

8、he fact that the departments different groups all worked at the same time was causing inefficiency.B. Value Stream Mapping was not as effective for the department as he had hoped.C. The departments procedures had been designed using an earlier version of Value StreamMapping.D. The department was eve

9、ntually able to complete its work in less time than before.4. Why does the professor mention computer software programs for shipping?A. To demonstrate how fuel costs can be quickly calculated by accounting departmentsB. To provide an example of products that are easily lost during transportC. To poi

10、nt out an innovative way for companies to reduce delivery timeD. To emphasize how easy it is for companies to track deliveries during transport5. What point does the professor make when he discusses airplane design?A. Each piece of an airplane must be designed with precision.B. The fewer pieces an a

11、irplane has, the lighter its weight will be.C. Using fewer pieces to create a product will result in fewer defects. D. Pieces that have several functions take longer to design.Female Student:But what about our responsibility, our commitment to, you know, standards, um, standards of quality?Professor

12、:But whose standard is the question. Remember its the customers requirements that determine whats desirable in the product.But whose standard is the question.A. To help the student understand a different idea of qualityB. To indicate that the students question is difficult to answerC. To point out a

13、 weakness of lean engineeringD. To find out the students definition of qualityD B D C C A P31.What is the lecture mainly about?A. Recently discovered archaeological sites from Viking Age ScandinaviaB. A new theory about the production of goods in Viking Age ScandinaviaC. A new way of thinking about

14、the development of towns in Viking Age ScandinaviaD. The rise and fall of trade networks in Viking Age Scandinavia2. Why does the professor mention airports?A. To illustrate the concept of a nodal pointB. To explain the original application of networkC. To contrast modern commerce with medieval trad

15、ingD. To emphasize the role of technology in trading networks3. According to the professor, what artifacts were found at only seven Viking trading sites?Click on 2 answersA. A large quantity of copper coins from GermanyB. Several pieces of jewelry made from silverC. A large quantity of imported cera

16、micsD. Evidence of the production of bronze castings4.According to the professor, in what way were early Scandinavian towns different from later settlement?A. Early Scandinavian towns were less likely to be fortified.B. Early Scandinavian towns had more contact with the surrounding countryside. C. E

17、arly Scandinavian towns were farther apart from one another.D. Early Scandinavian towns were less likely to be involved in international trade.5.What does the professor imply is a problem with the central-place theory?A. It assumes that all early Viking towns were long-distance trading centers. B. I

18、t assumes that all early Viking towns had military power.C. It assumes that all of the early Viking towns were about the same size. D. It assumes that all central places grew into large towns.Well, recently an archaeologist named S S decided that there was another way to look at the process of urban

19、ization, how these towns developed in the Viking age.6. Listen again to part of the lecture. Then answer the question. What does the professor imply when she says this:A. The theory is often misunderstood.B. The theory applies mainly to Scandinavia.C. The theory has evolved over time.D. The theory i

20、s known by another name.C A CD A B CP41. what is the main purpose of the lecture?A. To introduce a theory about why marine animals form symbiotic relationshipsB. To discuss the application of categories of symbiosis to marine animalsC. To question research done on the relationship between sea butter

21、flies and amphipodsD. To explain how the categories of symbiosis were developed by researchers2. Why are seals and dolphins mentioned in the lecture?A. To give an example of animals that are disadvantaged by parasitic relationshipB. To give an example of a symbiotic relationship where both organisms

22、 benefitC. To point out that all symbiotic relationships have advantages and disadvantagesD. To compare the categories of commensalism and mutualism3. According to the professor, what is one factor that makes categorizing symbiotic relationships difficult?A. New types of symbiotic relationships are

23、always being discovered.B. It is not always clear what an animal gains or loses from a symbiotic relationship.C. The nature of the symbiotic relationship may change over time.D. Many symbiotic relationships are only temporary.4. What point does the professor make about sea butterflies that are captu

24、red by amphipodA. They are often eaten by the amphipods.B. They are eventually released by the amphipods;C. They are used as a lure by the amphipods to attract prey.D. They benefit from their relationship with the amphipods. .5. Why did researchers conclude after their experiment involving predatory

25、 fish?A. The predators of amphipods learn to interpret the amphipod and sea butterfly as one larger animal.B. The primary predator of amphipods does not have good eyesight.C. Amphipods and sea butterflies share, many of the same chemical compounds.D. The amphipods are protected from predators by che

26、micals In the sea butterfly.6. Listen again to part of the lecture. Then answer the question.Male studentAnd the sea butterfly probably cant feed at all. I mean, if its being held on the amphipods back,right? ProfessorYoure right. But I cant imagine a type of symbiosis that simply disadvantages both

27、 organisms. Why does the professor say this: Yout imagine a type of symbiosis that simply disadvantages both organisms.A. To acknowledge that she does not fully understand the relationship between the two organismsB. To ask students to explain what the disadvantages are for each organismC. To encour

28、age the students to propose potential advantages of the relationshipD. To indicate that the student overstated the disadvantage to the sea buttert1yB A B B D CP51. What does the professor mainly discuss?A. How Realist novels differ from Realist playsB. How Zolas ideas influenced other Naturalist pla

29、ywrightsC. Ideas that contributed to the Naturalist movement in theaterD. Realist novels that were adapted as plays2. Why does the professor discuss a science book that was published in 1865?A. To give an example of what Zolas contemporaries were readingB. To describe a major influence on Zolas writingC. To comment on advances in science in the nineteenth centuryD. To point out that the term Naturalism was first used by s