Financial intermediaries can substantially reduce transaction costs because their large size allows them to take advantage of______.
A. poorly informed consumers
B. standardization
C. economies of scale
D. their market power
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It is generally believed that swimming is one of the best ways for a person to ______ good
A. reserve
B. sustain
C. preserve
D. maintain
原发性小血管炎所致急进性肾炎(Ⅲ型),临床出现大咯血,应首选