1、杰哥第四期精聽(tīng)沖刺營(yíng),Healing Camp For Your TOEFL Listening,Harder Than Harder Better Than Better,Behavior Extinction Interrelationship,Harder Than Harder Better Than Better,23. What is the lecture mainly about？ A. A proposal to identify all the animals that became extinct dining the Pleistocene epoch B. A str

2、ategy for reintroducing native plants to an ecosystem C. A process for identifying alternative habitats for large animals D. A proposal to re-create features of ecosystems of the Pleistocene epoch,24. According to the professor, what are the two main goals of Pleistocene rewinding? Click on 2 answer

3、s A. To restore some evolutionary processes that ended during the Pleistocene epoch B. To help prevent the extinction of certain species of mega fauna C. To increase populations of native animal species in the western United States D. To create a living laboratory where animal interactions can be ob

4、served,25. According to the professor, how did the American cheetah influence the pronghorn antelope during the Pleistocene epoch? A. The cheetah prevented the antelopes population from growing too large. B. The cheetah was a factor in the development of the antelopes speed. C. The cheetah dispersed

5、 the seeds of plants that the antelope needed to survive. D. The cheetah caused the antelope to migrate out of the western United States.,26. What point does the professor make when she discusses the maclura tree? A. The feeding habits of large animals could help revive some diminishing plant specie

6、s. B. The climate has changed in North America since the Pleistocene epoch C. Mass extinctions of animals are generally preceded by mass extinctions of plants. D. The maclura tree has changed very little since the Ice Age.,27. Why does the professor say that plants and small animals have continued t

7、o evolve since the Pleistocene? A. To indicate why the western United States is well suited for Pleistocene rewilding B. To suggest a way to balance an ecosystem using Pleistocene rewilding C. To identify a potential problem with the Pleistocene rewilding concept D. To explain how the idea for Pleis

8、tocene rewilding came about,28. What does the professor mean when she says this A. Pleistocene rewilding has been tried before without success B. Pleistocene rewilding should be tried with just a few species C. Pleistocene rewilding has already been thoroughly researched D. Pleistocene rewilding is

9、another form of human interference.,問(wèn)題,two goals two examples,four problems,背景,理論,解釋,five extinctions,sixth extinction Pleistocene Rewilding,23. What is the lecture mainly about? A. Parts of the dolphins anatomy that allow it to navigate B. Two different types of communication used by dolphins C. Th

10、e way that dolphins store air while swimming underwater D. The meanings of different signals used by dolphins,24. Why does the professor discuss the speed at which sound travels? A. To describe why sounds made under water can travel long distances B. To show why a person cannot hear a dolphin well w

11、hen it is under water C. To compare the speed of two different sounds made by dolphins D. To explain how sound waves behave when crossing from one medium into another,25. What is the dolphins melon? A. An oval-shaped bone that lets the dolphin hear sounds B. An organ made of fat tissue that helps a

12、dolphin send sound waves C. An air-filled cavity that lets the dolphin breathe underwater D. An organ filled with water that helps the dolphin measure depth,26. What is the dolphins jaw able to do? A. Send rapid clicking sounds into water B. Increase the speed of sounds C. Receive sound waves that h

13、ave reflected off objects D. Force water through the nasal sacs and out the blowhole,27. How does the professor organize the information in the lecture? A. By describing a phenomenon and the physical structures that make it possible B. By describing several of the dolphins senses and their relative

14、usefulness C. By contrasting how the dolphin makes two different types of sounds D. By describing an old theory and then a new theory,28. Why does the professor say this A. To find out whether students are familiar with the lecture topic B. To mention a related topic that will not be discussed in de

15、tail C. To mention a common misconception about dolphin vocalizations D. To point out a primary function of dolphin blowholes,對(duì)話(huà)部分,生活瑣事多樣化,聊天內(nèi)容必定考,學(xué)生老師變專(zhuān)業(yè),問(wèn)題解釋加解決,別人別事也會(huì)考,筆記少記記框架,1. Why does the student go to see the professor? A. To find out his grade on the midterm exam B. To explain why he missed

16、 a class C. To get help writing an essay D. To ask to take a test at a different time,2. Why does the professor congratulate the student? A. He received the highest grade on a recent test. B. He recently won an award. C. He was accepted into a history program in France. D. He wrote an essay that was

17、 published in a magazine.,3. What will the student do this weekend? A. Take a trip with his medieval history class B. Practice speaking French C. Attend an awards ceremony D. Write a paper about Montreal,4. What are two of the criteria the professor will use to evaluate students essays? A. How compl

18、etely they describe the factual details of historical events B. How successfully they defend their own opinions C. How carefully they analyze ideas discussed in class D. How much information from the textbook they include,5. What does the professor imply when she says this A. She has not yet seen the students paper. B. She will not hold class on Monday. C. S