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TOEFL
/
Listening practice
/ Section ZGR9
Listen to an Academic Talk
Listen to part of a talk in an economics class.
Listen
44. What is the talk mainly about?
A
Why firms hire geologists before bidding for drilling rights
B
Why the winner of an auction of this kind tends to have paid too much
C
How governments should set a minimum price for drilling rights
D
Why estimates of oil reserves have become more accurate over time