债券是一种有价证券，是社会各类经济主体为筹措资金而向债券投资者出具的，承诺按一定利率定期支付利息，并到期偿还本金的债权凭证。( )
参考答案：错
—______ that he managed to get the information?
—Oh, through a friend of his.
A．Where
B．What was it
C．How was it
D．Why was it
无记名股票，下列说法错误的是（）。
A．转让相对简便
B．安全性较差
C．认购时可以分次缴纳出资
D．认购时要求一次缴纳出资
