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【单选题】
以下可肯定判断左心收缩功能不全的是（）
A.
心电图提示左室肥厚
B.
心电图示P波高尖
C.
X线胸片示心影增大
D.
超声心动图提示左房扩大
E.
超声心动图左室射血分数<50%
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】陈某将自己的轿车投保于保险公司。一日，其车被房东之子(未成年)损坏，花去修理费1500元。陈遂与房东达成协议；房东免收陈某2个月房租1300元，陈不再要求房东赔偿修车费。后陈某将该次事故报保险公司要求索赔。在此情形下，以下判断正确的是( )。
A.
保险公司应赔偿1500元
B.
保险公司应赔偿200元
C.
保险公司应赔偿1300元
D.
保险公司不再承担赔偿责任
【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