当前位置:中华考试网 >> 托福考试 >> 托福机经 >> 阅读机经 >> 2017年10月15日托福阅读机经预测

2017年10月15日托福阅读机经预测小范围版

   2017-09-13   【

2017年10月15日托福阅读机经预测小范围版

  2017年10月15日托福阅读机经预测小范围版!

  生物类

  Dinosaurs and Parental Care

  对应题目:

  1. The word “alleged” in the passage is closet in meaning to

   A.scattered

   B.supposed

   C.isolated

   D.exposed

  2. Paragraph 1 answers which of the following questions about parental care in dinosaurs?

   A.Which type of parental care was more important for the survival of dinosaur young,prehatching care or posthatching care?

   B.Why were dinosaur remains in eastern Montana preserved rather than destroyed over time?

   C.Did Maiasaura hadrosaurs provide types of parental care not provided by other dinosaurs?

   D.What evidence supports the view that Maiasaura females laid their eggs in nests?

  Paragraph 1

  Habitat Selection

  From fossil evidence alone the question of whether or not dinosaurs cared for their young is very difficult to answer. Because behaviors are not preserved in the fossil record, we can only make inferences from indirect evidence. Parental care can be divided into two types of behavior: prehatching (building nests and incubating eggs—for example, sitting on top of them so as to warm the eggs and encourage hatching) and posthatching (feeding the young and guarding the nests). Most of our evidence comes from alleged dinosaur rookeries (places where nests are built). Several have been excavated in eastern Montana, where a large concentration of dinosaur nests was found at a place now called Egg Mountain. Most of these probably belonged to the hadrosaur Maiasaura. Preserved in these nests are the bones of baby dinosaurs. The finds at Egg Mountain and other sites around the world document that dinosaurs laid their eggs in nests.

  Paragraph 2

  The nests at Egg Mountain are reported to be equally spaced, separated by a space corresponding to the length of an adult Maiasaura. From this arrangement scientists have inferred that the nests were separated in this way to allow incubation in a tightly packed nesting colony. Although this interpretation is open to challenge, the discovery of Oviraplor adults on top of Oviraplor egg clutches (as determined by embryos in some eggs), is relatively powerful evidence that at least these dinosaurs incubated their nests.

  ...

  Temperature Regulation in Marine Organisms

  Cell Theory

  Poikilotherms

  Forest Succession

  The Role of Diapause

  The Identification of the Genetic Material

  How Plants and Animals Arrived in the Hawaiian Islands

  Extinctions at the End of the Cretaceous

  The Cambrian Explosion

  The Extinction of the Dinosaurs

  How Animals in Rain Forests Make Themselves Heard

  Sociality in Animals

  Constraints on Natural Selection

  天文类Surface Fluids on Venus and Earth

  Origin of the Solar System

  Comets

  文化艺术类

  The Origins of Writing

  Live Performance

  The Origins of Theater

  The Development of Printing

  地质类

  Early Theories of Continental Drift

  Attempts at Determining Earth’s Age

  How Soil is Formed

  Earth’s Energy Cycle

  Thermal Stratification

  环境类

  The Climate of Japan

  The Role of the Ocean in Controlling Climate

  经济类

  Effects of the Commercial Revolution

  Seventeenth-Century European Economic Growth

  考古类

  Environmental Impact of the Anasazi

  The Collapse of the Mays

  The Chaco Phenomenon

  科学类

  The Birth of Photography

  Early American Printing Industry

  农业类

  Agricultural Society in Eighteenth- Century British America

  Water Management in Early Agriculture

  社会类

  Population Growth in Nineteenth-Century Europe

  Hunting and the Setting of Inner Eurasia

 

纠错评论责编:examwkk
相关推荐
重点推荐»