【单选题】下面程序段,运行后的结果是 Private Sub Commandl_Click( ) Dim b%(1 To 4),i%,t# For i=1 To 4 b(i)=i Next i t=Tof(b( ) ) Print't=';t, End Sub Function Tof(a() As Integer) Dim t#,i% t=1 For i=2 To UBound(A)t=t * a(i) ...
【单选题】下面程序段,运行后的结果是 Private Sub Command1_Click() Dim b%(1 To 4) ,i%, t# For i = 1 To 4 b(i) =i Next t =Tof(b() ) Print 't ='; t, End Sub Function Tof(a() As Integer) Dim t#, i% t=1 For i =2 To UBound(A)t=t ...
【单选题】下面程序段,运行后的结果是 Private Sub Command1_Click Dim b%(1 To 4), i%, t# For i=1 To 4 b(i) =i Next t=Tof(b() ) Print 't=' t, End Sub Function Tof(a() As Integer) Dim t#, i% t=1 For i=2 To UBound(a) t=t a(i) ...
【单选题】下面程序段 。 for(t=1;t<=100;t++) { scanf(“%d”,&x); if(x<0) continue; printf(“%3d”,t); }
【多选题】辅助线法求圆锥表面点的投影,通常用哪些线作为辅助线?
【判断题】易文化的语言系统中包含了以下几个互为关联的基本概念:象、爻、卦、辞。
【单选题】The basic function of the centrifugal pump impeller is to _____.
A.
directly increase the pressure of the liquid being pumped
B.
directly increase the velocity of the liquid being pumped
C.
convert the potential energy of the liquid to kinetic energy
D.
separate air from the liquid being pumped
【简答题】下面程序段:( )for (t=1; t<=100;t++){cin>>x; if(x<0) continue; cout
【多选题】氧化沟系统种类繁多,其系统流程(或组成)各有特点,以下描述正确的是哪几项?
A.
氧化沟的基本构造为环状沟渠型,其水流流态介于完全混合和推流之间,主体属于推流态
B.
氧化沟的水力停留时间长,一般在16~40h,BOD负荷低,具有抗水质、水量负荷波动强的优点
C.
Carrousel氧化沟、三池交替运行氧化沟、orbal氧化沟均具有多池串联的特点,不需要单独设置沉淀池
D.
orbal型氧化沟多采用3层沟渠,运行时外、中、内三层沟内混合液的溶解浓度梯度较大,可有效提高氧的利用率,并可实现较好的脱氮除磷功能