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TOEFL
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Listening practice
/ Section ET4Q
Listen to an Academic Talk
Listen to part of a talk in an archaeology class.
Listen
27. Why does the speaker mention a beam in a farmhouse roof?
A
To give an example of wood that cannot be dated
B
To show how overlapping samples extend the record further back in time
C
To explain why old buildings were made of local timber
D
To illustrate how insects damage structural wood