有一培养基如下:甘露醇,MgSO4,K2HPO4,KH2PO4,CuSO4,NaCl,CaCO3,蒸馏水。试述该培养基各组分的作用,该培养基可用于培养哪类微生物?
有一培养基如下:甘露醇,MgSO4,K2HPO4,KH2PO4,CuSO4,NaCl,CaCO3,蒸馏水。试述该培养基各组分的作用,该培养基可用于培养哪类微生物?
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有一过程如下:Sub Sub1(m As Integer,total As Long)Dim i As Integertotal=1For i=1 To mtotal=total*iNextEnd Sub调用它的事件过程如下:Private Sub Command1_Click()Dim tot As Long,a As Integera=Val(InputBox("请输入数据"))Call Sub1(a,tot)Print totEnd Sub则输入数据5,运行结果为【 】。
有如下程序,该程序的执行结果是【 】。Private Sub Command1_lick()For i= 1 To 4x= 4For j =1 To 3x =3For k=1 To 2X= K+5Next kNext jNext iPrint xEnd Sub
窗体上有一个命令按钮,命令按钮的单击事件过程如下。运行程序后,单击命令按钮,输出结果是 Private Sub Commandl_Click() Dim a a=Array(1,2,3,4,5) Fork=1 To 4 s=s+a(k) Next k Print s End Sub A.10 B.14 C.15 D.120
(19)窗体上有一个命令按钮,命令按钮的单击事件过程如下。运行程序后,单击命令按钮,输出结果是 。 Private Sub Commandl_Click() Dim a a=Array(1,2,3,4,5) For k=1 To 4 S=S+a(k) Next k Print S End SubA.10 B.14 C.15 D.120
有如下SUB过程:Sub s(x As Single,y As Single)t=xx=t / yy=t Mod yEnd Sub在窗体上添加一个命令按钮,然后编写如下事件过程:Private Sub Form_Click()Dim a As SingleDim b As Singlea=5b=4s a,bPrint a,bEnd Sub则程序运行后,单击命令按钮,输出的结果为【 】 。
阅读如下程序, a = 1: b = 2: plus S, a, b: Print S:不能使其输出结果为3的plus过程为( )。 A、Sub plus(sum, a , b ): sum = a + b: End SubB、Sub plus(ByVal sum , a , b ): sum = a + b: End SubC、Sub plus(sum , ByVal a, ByVal b ): sum = a + b: End SubD、Sub plus(sum , ByRef a , ByRef b ): sum = a + b: End Sub
在窗体中添加一个名称为Command1的命令按钮,然后编写如下程序: Public x As Integer Private Sub Command1_Click() x=10 Call s1 Call s2 MSgBox x End Sub Private Sub s1() x=x+20 End Sub Private Sub s2() Dim x As Integer x=X+20 End Sub 窗体打开运行后,单击命令按钮,则消息框的输出结果为______。A.10B.30C.40D.50
下面程序的输出结果是( )。 #include"stdio.h" int sub(int m) { static a=4; a+=m; return a; } void main() { int i=2,j=1,k; k=sub(i); k=sub(j); printf("%d",k); }A.6B.7C.8D.9
窗体上有一个命令按钮,命令按钮的单击事件过程如下: Private Sub Command1_Click() Dim a a=Array(1,2,3,4,5) For k=1 To 4 s=s+a(k) Next Print S End Sub 运行程序后,单击命令按钮,输出结果是A.10B.14C.15D.120
假定有如下的Sub过程: Sub S(x As Single,y As Single) t=x x=t/y y=t Mod y End Sub 在窗体上画一个命令按钮,然后编写如下事件过程: Private Sub Command1_Click() Dim a As Single Dim b As Single a=5 b=4 S a,b Print a,b End Sub 程序运行后,单击命令按钮,输出结果为 ______ 。A.5 4B.1 1C.1.25 4D.1.25 1
下列程序的运行结果是()。includevoid sub(int*s,int*y){static int m=4;*y=s[0];m++;} 下列程序的运行结果是( )。 #include<stdio.h> void sub(int*s,int*y) {static int m=4; *y=s[0]; m++; } void main() {int a[]={1,2,3,4,5},k; int x; printf("\n"); for(k=0;k<=4;k++) {sub(a,x); printf("%d,",x); } }A.1,1,1,1,1,B.1,2,3,4,5,C.0,0,0,0,0,D.4,4,4,4,4,
假定有如下的Sub过程: Sub S(x As Single,y As Single) t=x x=t/y y=t Mod y End Sub 在窗体上画一个命令按钮,然后编写如下事件过程: Private Sub Command1_Click() Dim a As Single Dim b As Single a=5 b=2 S a,b print a,b End Sub 程序运行后,单击命令按钮,输出结果是( )。A.5 2B.1 1C.1.25 4D.2.5 1
假定有如下的Sub过程:Sub Sub1(x As Single,y As single)t=xx=t/yy=t Mod yEnd Sub在窗体上画一个命令按钮,然后编写如下事件过程:Private Sub Command1_click()Dim a As SingleDim b As Singlea=5b=4Sub1 a,bPrint a;bEnd Sub程序运行后,单击命令按钮,输出结果为A.B.C.D.
下列程序的运行结果是()。includevoid sub(int*s,int*y){static int m=4:*y=s[m];m--;} 下列程序的运行结果是( )。 #include<stdio.h> void sub(int*s,int*y) {static int m=4: *y=s[m]; m--; } void main() {int a[]={1,2,3,4,5},k,x; printf("\n"); for(k=0;k<=4;k++) {sub(a,x); printf("%d,",x); } }A.5,4,3,2,1,B.1,2,3,4,5,C.0,0,0,0,0,D.4,4,4,4,4,
写出程序运行的结果Public class BasePublic virtual string Hello() {return “Base”;}Public class Sub:BasePublic override string Hello() {return “Sub”;}1. Base b = new Base(); b.Hello;2. Sub s = new Sub(); s.Hello;3. Base b = new Sub (); b.Hello;4. Sub s = new Base(); s.Hello;
下面程序的输出结果是。 Private Sub Commandl_Click ch$=“ABCDEF” proc ch:Print ch End Sub Private Sub proc(ch As Stnng) s=“” For k=Len(ch) TO 1 Step -1 s=sMid(ch,k,1) Next k ch=s End Sub A.ABCDEF B.FEDCBA C.A D.F
执行下面的程序,消息框里显示的结果是( )。Private Sub Form_Click()Dim Str As String,S As String,k As IntegerS=StrFor k=Len(Str) To 1 Step -1S=S (Mid(Str,k,1)Next kEnd Sub
假定有如下的Sub过程:Sub Sub1 (x As Single, y As Single) t=x x = t/y y = t Mod yEnd Sub 在窗体上画一个命令按钮,然后编写如下事件过程:Private Sub Command1_ Click() Dim a As Single Dim b As Single a = 5 b = 4 Sub1 a, b Print a; b End Sub 程序运行后,单击命令按钮,输出结果为______。A.5 4B.1 1C.1.2 5.4D.1.25 1
在窗体中添加一个名称为Commandl的命令按钮,然后编写如下程序: Public x As Integer Private Sub Commandl_click() x=10 Call s 1 Call s 2 MsgBOx x End Sub Pfivate Sub s1() x=x+20 End Sub Private SubA.10B.30C.40D.50
有如下程序: Private Sub Command1 Click() Dim a As Single Dim b As Single a=5:b=4 Call S(a,B)End Sub Sub S(x As Single,y As Single) t=x x=t\y y=t Mod y End Sub 在调用运行上述程序后,a和b的值分别为A.0 0B.1 1C.2 2D.1 2
窗体上有一个命令按钮,命令按钮的单击事件过程如下。运行程序后,单击命令按钮,输出结果是( )。 Private Sub Command1_Click() Dim a a=Array(1, 2, 3, 4, 5) Fork= 1 To 4 s=s+a(k) Next k Print s End SubA.10B.14C.15D.120
下列程序运行后的输出结果是______。Private Sub f(k,s)s=1For j=1 To ks=s*jNextEnd SubPrivate Sub Command1_Click()Sum=0For i=1 To 3Call f(i,s)Sum=Sum+sNextPrint SumEnd Sub
有一培养基如下: 甘露醇,MgSO4,K2HPO4,KH2PO4,CuSO4,NaCl,CaCO3,蒸馏水。 试述该培养基的 A.碳素来源; B.氮素来源; C.矿质来源, 该培养基可用于培养哪类微生物?
单选题给定下列FORTRAN子程序如下: SUBROUTINE SUB(K,A) A=SQRT(K*K+1.0) END 下列调用语句中正确的是()A CALL SUB(N,N)B CALL SUB(X,X)C CALL SUB(N,X*X)D CALL SUB(11,X)
问答题有一培养基如下: 甘露醇,MgSO4,K2HPO4,KH2PO4,CuSO4,NaCl,CaCO3,蒸馏水。 试述该培养基的 A.碳素来源; B.氮素来源; C.矿质来源, 该培养基可用于培养哪类微生物?
单选题给定子例行程序如下 SUBROUTINE SUB(K,A) B=K+2 A=A+B END 下列调用语句中正确的是()ACALL SUB(N,N)BCALL SUB(X,X)CCALL SUB(N+2,X)DCALL SUB(N,X+3)