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TOEFL
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Listening practice
/ Section DDAQ
Listen to an Academic Talk
Listen to a talk in an architecture class.
Listen
26. According to the professor, why have the wooden posts not rotted?
A
There is very little oxygen in the mud around them.
B
The water in the lagoon is too salty.
C
They are replaced every hundred years.
D
They were covered with a special paint.