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刷刷题刷刷变学霸
举一反三
【单选题】在二尖瓣水平短轴切面上，于舒张期图像上，有时见二尖瓣前叶的中部有连续中断现象，而不合并心内膜垫缺损，可能为()。
A.
二尖瓣膜畸形
B.
正常现象
C.
腱索断裂
D.
二尖瓣脱垂
E.
二尖瓣裂的特异表现
【单选题】有如下事件过程：Private Sub Form_Load() Show Dim Arr() As Variant Arr = Array(1, 3, 5, 7, 9, 11, 13, 15) Call converse(Arr) For i = 0 To 7 Print arr(i); Next iEnd Sub 以上程序的功能是，通过调用Converse过程，将数组Arr中的元素逆序存放并输出...
A.
Private Sub converse(dim a() as Variant ) Dim T For i = LBound(A) To UBound(A) T = a(i) a(i) = a(UBound(A) - i) a(UBound(A) - i) = T Next i End Sub
B.
Private Sub converse(dim a() as Variant) Dim T Dim J As Integer J = (LBound(A) + UBound(A)) / 2 For i = LBound(A) To J T = a(i) a(i) = a(UBound(A) - i) a(UBound(A) - i) = T Next i End Sub
C.
Private Sub converse(a() As Variant) Dim T For i = LBound(A) To UBound(A) T = a(i) a(i) = a(UBound(A) - i) a(UBound(A) - i) = T Next i End Sub
D.
Private Sub converse(a() As Variant) Dim T Dim J As Integer J = Int((LBound(A) + UBound(A)) / 2) For i = LBound(A) To J T = a(i) a(i) = a(UBound(A) - i) a(UBound(A) - i) = T Next i End Sub
【单选题】A．六边形盒样曲线B．V波圆隆，重搏波消失C．后叶活动曲线与前叶相反D．收缩期心内膜曲线前移E．内膜运动曲线舒张期前移 主动脉硬化时，主动脉壁运动曲线M型超声特点是
A.
A．
B.
B．
C.
C．
D.
D．
E.
E．