题目内容
（请给出正确答案）
What is the lecture mainly about？
A．Oral traditions in folktales and fairy tales
B．Common characters and plots in folktales and fairy tales
C．Differences between folktales and fairy tales
D．Hidden meanings in folktales and fairy tales
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更多“What is the lecture mainly abo…”相关的问题
第1题
Listen to Track 29.
A．He is searching for a synonym for the term.
B．He is not sure how much information the students need.
C．He is going to briefly address a related topic.
D．He is giving the students a writing assignment.
此题为多项选择题。请帮忙给出正确答案和分析，谢谢！
第2题
What is one way the professor mentions that chemists can help with art restoration?
A．By re-creating the pigments and binding agents used by artists of earlier eras
B．By removing pigments and binding agents that dissolve paintings over time
C．By creating protective coatings of paint that do not damage original paintings
D．By developing ways to safely remove paint added by previous restorers
此题为多项选择题。请帮忙给出正确答案和分析，谢谢！
第3题
According to the professor, what is the primary advantage of spectroscopy over other laboratory methods for analyzing artworks?
A．It does not damage the artworks.
B．It provides a more accurate analysis than other methods do.
C．It uses equipment that can be transferred to other locations.
D．It can be used by individuals with little scientific training.
此题为多项选择题。请帮忙给出正确答案和分析，谢谢！
第4题
Why does the professor discuss the presence of zinc in paint pigments?
A．To explain why some paints may deteriorate over the course of time
B．To stress the need for caution when attempting to restore old artworks
C．To show how pigments differ from varnishes and binding agents
D．To show how spectroscopy can help establish the age of a painting
此题为多项选择题。请帮忙给出正确答案和分析，谢谢！
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