答案： A 解析： Professor: It’s pretty common for a writer to generalize ... 用 hydroponics 去描述另 一种技术，还说作者用这个词 casually ，所以说教授认为这个并不十分准确。 What additional information does the professor suggest that the student include in his paper? A. A comparison of traditional and modern farming technologies B. Charges in the designs of chinampas over time C. Differences in how various historians have describes chinampas D. Reasons why chinampas are often overlooked in history books 答案： C 解析： Student: So I guess that all historians might not might describe Chinampas either. Professor: Good point! Why not looking to that point too? 根据教授的 why not ，说明教授建议学生把这个也写进论文 9
Lecture-3 What does the professor mainly discuss? A. Comparisons between land animals and ocean-going animals of the Mesozoic ear. B. Comparisons between sauropods and modern animals. C. Possible reasons why sauropods became extinct. D. New theories about the climate of the Mesozoic era. 答案： B 解析： 教授说我们要讨论 Sauropod ， by comparing fossil records to modern animals 答案就在 这两句中。 What point does the professor make when she compares blue whales to large land animals? A. Like large land animals, blue whales have many offspring. B. Like large land animals, blue whales have proportionally small stomachs. C. The land environment provides a wider variety of food sources than the ocean. D. The ocean environment reduces some of the problems faced by large animals. 答案： D 解析： 现在世界上最大的动物住在海里，海里食物比陆地上丰富，还有 but for an ocean- 10
going whale, that’s not a problem. 说明陆地大型动物的一些困难可以在海里解决 According to the professor, what recent finding about the Mesozoic era challenges an earlier belief? A. Sauropod populations in the Mesozoic era were smaller than previously believed. B. Oxygen levels in the Mesozoic era were higher than previously believed. C. Ocean levels in the Mesozoic era fluctuated more than previously believed. D. Plant life in the Mesozoic era was less abundant than previously believed. 答案： D 解析： However , we now know ........ there were much less plants for sauropods to eat than we thought. 注意 转折词后面 一般存在考点 Compared to small animals, what disadvantages do large animals typically have? Click on 2 answers. A. Large animals require more food. B. Large animals have fewer offspring. C. Large animals use relatively more energy in digesting their food. D. Large animals have greater difficulty staying warm. 答案： AB 解析： 前文中教授说 It is hard to maintain populations 时提到的原因是 ：需要大量食物， 生育率低和身体热量散失困难 ，所以选 AB ， D 是维持，这个不对 Why does the professor discuss gastroliths that have been found with sauropod fossils?
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