收缩中、晚期喀喇音（）.
A.扩张型心肌病
B.二尖瓣狭窄
C.缩窄性心包炎
D.轻中度肺动脉瓣狭窄
E.二尖瓣脱垂
参考答案：E
The recent finding shows that once _____ computer games, one will find it difficult to give it up. [ ]
A. satisfied with
B. addicted to
C. bored of
D. impressed by
商业银行向客户提供的全部公司信贷产品的有机组合方式称为( )。
A．产品线
B．产品组合
C．产品类型
D．产品项目
