首次公开发行股票的公司及其保荐机构应通过向询价对象询价的方式确定股票发行格。所谓询价对象,是指符合中国证监会规定条件的机构投资者。下列各项中,符合条件的有()。
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Compared to common electrical conductors,superconductors
A. have little or no electrical resistance.
B. Can be used for along time.
C. are not energy-efficient.
D. can be made easily.