【正文】 surprised that it did not include more examples of crocodile munication.Answer 5. Why does the professor mention dogs?A To explain that mammals are more plex than reptilesB To point out that crocodiles can municate with dogsC To give an example of mammals that care for their youngD To emphasize that crocodiles have highly developed brainsAnswer6. What happens when a hatchling makes a distress call?A Its siblings answer back.B The mother repeats the call.C The rest of its family waits near water.D The mother calls to other adult crocodiles for assistanceAnswer作業(yè)： 1）本次課的所有詞匯及理論知識復(fù)習(xí)并掌握2）本次課的材料重新聽寫一遍，筆記提交給老師3）習(xí)題練習(xí)：生物類講座2個（具體數(shù)量老師課根據(jù)學(xué)生的時間及水平調(diào)節(jié)）要求：按照托福聽力作業(yè)積累本完成。講解了baby crocodiles的vocalization行為是為了express their 。s attention, they are safe. She39。s see. （下文具體解釋這兩個功能，以new born crocodiles為例。）Now, we tend to think of crocodiles as, uh, kind of solitary, hiding out in a swamp, uh, kind of mysterious creatures. But we are finding out that they aren39。學(xué)術(shù)講座—學(xué)生版生物tpo24 lecture 1一、 背景介紹： 生物學(xué)講座主要涉及到的小學(xué)科有conservation biology保護生物學(xué)，marine biology海洋生物學(xué)，zoology動物學(xué)和botany植物學(xué)。t evolved much in the last seventy million years. No discussion of reptiles would be plete without some mention of crocodiles.（教授開門見山提出講座的主旨：a predatorcrocodiles，其中today, let’s look at...就是主旨句的提示句型。綜合上文可以出一個Except題：All of the followings are about the functions of crocodiles’ vocalization except?A to threaten other males B to attract their predators C to get attention D to let others know they are distressed答案是B） Let39。t it attract more predators?Professor: Hmm...good question. I guess, well, I am guessing that once the babies have the mother39。）Another thing would be, um, if a hatchling gets separated from the rest of its family, once the others get far enough away, its survival instinct kicks in. It will make a loud distress call, which its siblings answer. It calls again. And they continue calling back and forth until they all find each other again.（這里是照應(yīng)上文中：Vocalization is um...well, it is used for other reasons, like getting attention or just, um... letting others know you are