主动脉瓣血流速度加快不见于下列哪项（）.
A.主动脉瓣狭窄
B.主动脉瓣关闭不全
C.甲状腺功能亢进
D.左心衰竭
E.二尖瓣关闭不全
参考答案：D
We were sad to know that about 30 kids had been killed in Sandy Hook, Newtown, the USA ____ December 14, 2012.
A．in
B．at
C．on
D．by
[中信银行] 银行传统结算方式中的“三票一汇”是指( )。
A．汇票、本票、支票、汇款B．票据、支票、汇票、汇款C．票据、支票、汇票、电汇D．支票、本票、汇票、信汇
