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TOEFL
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Listening practice
/ Section RHZK
Listen to an Academic Talk
Listen to part of a talk in an economics class.
Listen
31. Why does the speaker describe a group of bidders who meet regularly?
A
To show that open auctions attract more bidders
B
To explain a situation in which sealed bids are the better choice
C
To illustrate how prices can rise faster than expected
D
To argue that auctions should be held less frequently