问答题If a is an integer, is b an integer?　　(1) The average (arithmetic mean) of a and b is an integer.　　(2) The average (arithmetic mean) of a, b, and b+4 is a.

以下能正确定义数据类型TelBook的代码是( )。

A．Type TelBook Name As String*10 TelNum As Integer End Type

B．Type TelBook Name As String*10 TelNum As Integer End TelBook

C．Type TelBook Name String*10 TelNum Integer． EndType TelBook

D．Typedef TelBook Name String*10 TelNum Integer End Type

单击命令按钮时，下列程序的执行结果为 Private Sub Command1_Click Dim x As Integer, y As Integer x=12:y=32 Call Proc(x,y． Print x; y End Sub Public Sub Proc(n As Integer, ByVal m As Integer． n=n Mod 10 m=m Mod 10 End Sub

A.1232

B.232

C.23

D.123

The centerline of a standard "Shewhart' control chart represents:

A . the process target

B . the nominal dimension specified by the customer

C . the nominal dimension specified by the designer

D . the true process average or mean

E . the process sample average or mean

The average height of the surface of the sea for all stages of the tide over a 19 year period is called ______.

A.mean high water

B.mean low water

C.half-tide level

D.mean sea level

The height of a light is measured from which reference plane?

A.Mean low water

B.Mean high water

C.Average water level

D.Geographical sea level

单击命令按钮时，下列程序的执行结果是 Private Sub Command1_Click Dim a As Integer, b As Integer, c As Integer a=3 b=4 c=5 Print SecProc(c, b, A． End Sub Function FirProc(x As Integer, y As Integer, z As Integer． FirProc=2x+y+3z End Function Function SecProc(x As Integer, y As Integer, z As Integer． SecProc=FirProc(z, x, y．+x End Function

A.20

B.22

C.28

D.30

In a weather report GMT stands for ________ ．

A.Greenwich Mean Time

B.Local Mean Time

C.General Cargo

D.General Average

187 The centerline of a standard "Shewhart' control chart represents:

A. the process target

B. the nominal dimension specified by the customer

C. the nominal dimension specified by the designer

D. the true process average or mean

E. the process sample average or mean

Mean low water is the average height of ______.

A.the surface of the sea

B.high waters and low waters

C.all low waters

D.the lower of the two daily low tides

Mean high water is the average height of ______.

A.the higher high waters

B.the lower high waters

C.the lower of the two daily tides

D.all high waters