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TOEFL
/
Listening practice
/ Section 32X2
Listen to an Academic Talk
Listen to part of a talk in an environmental science class.
Listen
27. How does the speaker develop the argument?
A
By opening with a comparison and then showing that the comparison is the wrong question
B
By presenting two competing definitions of the water footprint
C
By tracing the history of the water-footprint measure
D
By listing products in order of how much water they use