托福听力经典加试题跟答案(汇总).pdf

托福听力经典加试题及答案(汇总) 鸟类迁徙Bird migration Student having difficulties in writing term paper 原文： Conversation：term paper of bird migration Listen to a conversation between a student and his Biology professor. S: Dr. Russell, I was hoping to discuss my term paper with you Im getting a little bit stuck here. P: Of course, so...what do you have so far? Whats your topic? S: Well, I wanted to write about bird migration, but Im having trouble finding enough sources. P: Youre having trouble finding sources on bird migration S: No, actually, on the particular aspect of bird migration that I want to write about. The thing is, I wanted to write specifically on early theories of bird migration...describe some of the theories. Like how Aristotle thought that birds changed into different species during the winter. Or how other naturalists thought that bigger birds carried smaller birds to warmer spots for the wintertime. But Ive only got a couple of books to work with right now. P: Hm...I have to admit that its an interesting topic, and you certainly seem excited by it. But remember I told you all to ask yourselves how your topic is going to help you show that you can apply what youve learned this semester. A summary or description is not really what Im looking for as much as your analysis of a certain topic. S: I guess its not really what were supposed to do, huh P: Right. So, how about we think about some other ideas for your paper. I mean you dont need to discard the idea completely... but... take a really different focus. Um... for example...you could present what you think are some reasons-the rationale-behind some of the erroneous theories early naturalists had. But, youll be supporting your views with current research; those are the sources youll need to seek out. S: Ok, I think I see what youre saying. So, like today...today we know that lots of small birds migrate