ZT-Archeology: Phytoliths

考古学
Phytoliths


1. What is the main purpose of the lecture?

  • A.To illustrate how phytoliths are beneficial to plants
  • B.To demonstrate how phytoliths are used in scientific research 
  • C.To compare methods of analysis used in archaeological study 
  • D.To explain how maize was first domesticated

2. What is one way that phytoliths form?

  • A.Grains become preserved between mineral layers in soil. 
  • B.Groundwater causes some of the plant tissue to decay. 
  • C.Minerals from groundwater collect in the cells of plants. 
  • D.Leaves of plants photosynthesize sunlight into minerals. 

3. What point does the professor make about closely related plants such as wheat and barley? 

  • A.It was impossible to see the differences in the shape of their phytoliths until recently 
  • B.Their seeds can be identified using election microscopes
  • C.It was unknown until recently that their phytoliths decay at different rates 
  • D.Their phytoliths are typically found it in vessels used for cooking 

4. Why does the professor discuss maize?

  • A.To point out that phytolith analysis has proven how widespread its cultivation actually was 
  • B.To provide an example of a plant whose phytoliths are unique
  • C.To emphasize the surprising number of subspecies that were suitable for domestication 
  • D.To show that phytolith analysis can reveal the timing of a plant’s domestication 

5. Why does the professor discuss the function of pollen?

  • A.To describe the reproductive process is some plants
  • B.To show why pollen does not decay as rapidly as other parts of plants 
  • C.To explain why pollen can be an unreliable source for archaeologists 
  • D.To illustrate why archaeologists find more pollen than phytoliths in soil 

6. Why does the professor say this: 🎧

  • A.To provide an explanation for the statement she just made 
  • B.To find out the students’ opinions about a research method 
  • C.To review information about plant eaters from last class 
  • D.To suggest that plant eaters have a difficult choice to make 

答案:
B C A D C A 

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