比1小2的数是( )
A.-3
B.-1
C.1
D.3
答案:B
∵1-2=-1,∴比1小2的数是-1.故选B.
当燃气的密度为0.518kg/m3,一座高为3m的住宅,每上一层楼面,室内燃气立管中燃气的附加压头就增加( )。
A.18.25Pa B.20.25PaC.22.25Pa D.23.25Pa
假设有如下的记录类型: Type Studentnumber As Stringname AS Stringage As Integer End Type则正确引用该记录类型变量的代码是______。
A.StudenName="林红"
B.Dim s As Student name="林红"
C.Dim s As Type studentname="林红"
D.Dim s As Type name="林红"