下列哪项提示左心功能不全
A．脉搏强而大B．舒张早期奔马律C．奇脉D．脉搏过缓E．脉搏绝对不齐
参考答案：B
I________the wonderful 2010 World Cup Finals live on TV, but this summer vacation I missed it.[ ]
A. could have watched
B. might watch
C. must have watched
D. need have watched
收购人在收购要约期限届满，不按照约定支付收购价款或者购买预受股份的，自该事实发生之日起（）年内不得收购上市公司。
A.1
B.2
C.3
D.4
