最先采取现金结算办法的期货交易是什么期货().
参考答案:1981年12月,芝加哥商业交易所的国际货币市场分部开办的3个月期欧洲美圆定期存款期货交易
In many countries in the world ,breakfast is a snack____a meal,but the traditional English breakfast is a
full meal [ ]
A.rather than
B.more than
C.other than
D.less than
肥厚型梗阻性心肌病室间隔化学消融术通常左室流出道(LVOT)压差应:()
A.在正常范围
B.大于等于50mmHg
C.小于等于50mmHg
D.10~20mmHg
E.30~40mmHg