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TOEFL
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Listening practice
/ Section ZGR9
Listen to an Academic Talk
Listen to part of a talk in an economics class.
Listen
47. What does the speaker suggest a bidder should do as the number of rival bidders rises?
A
Bid closer to the honest estimate of value
B
Reduce the bid by a larger margin
C
Withdraw from auctions with many participants
D
Commission a second independent estimate