【正文】
unds that they can make.There39。 brains. And we know that mammals, dogs for example, dogs vocalize many different sounds. Crocodiles have a similar level of, uh, vocal sophistication, if you will, which makes them unique among reptiles.(這里是第10題的答案所在處。t on that TV show I mentioned. Um... mother crocodiles lead their young from one area to another, like when they have to find a different source of water. Usually she will lead them at night, when it is safer for them, moving ahead and then letting out calls of reassurance so that they will follow her. Her voice helps give the babies the courage they need to leave the area and go some place that39。s opinion about the television program that she mentions?A She is concerned about the accuracy of some of the information the experts provided.B She is hopeful that the class will be able to discuss it.C She thinks it was overly critical of some recent theories about crocodiles.D She is 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(shí)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(gè)(具體數(shù)量老師課根據(jù)學(xué)生的時(shí)間及水平調(diào)節(jié))要求:按照托福聽力作業(yè)積累本完成。注意不要讓學(xué)生聽起來太吃力,有挫敗感,也不要讓學(xué)生聽著太簡(jiǎn)單而沒有提升。講解了baby crocodiles的vocalization行為是為了express their 。 brains are the most developed of any reptile. In that sense, they are closer to mammals39。s attention, they are safe. She39。)I heard some great examples of this on the television program on crocodiles last week. Anyone catched it? It had a few interesting bits. But you know, uh, you have to be careful, think critically. Sometimes I don39。s see. (下文具體解釋這兩個(gè)功能,以new born crocodiles為例。