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TOEFL
/
Listening practice
/ Section TJD6
Listen to an Academic Talk
Listen to part of a talk in an astronomy class.
Listen
46. Why does the speaker mention Comte?
A
To illustrate a common misunderstanding about starlight
B
To credit him with proposing the method
C
To explain why astronomers were slow to adopt spectroscopy
D
To show how quickly a supposedly impossible question was answered