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TOEFL
/
Listening practice
/ Section 7YSB
Listen to an Academic Talk
Listen to part of a talk in a hydrology class.
Listen
27. Why does the speaker mention roofs and roads?
A
To explain why gauges are placed in towns
B
To show that the catchment no longer behaves as it did when gauged
C
To argue that rainfall totals have increased
D
To describe how flood water is drained away