一本书100页,小明看了20页,没看的页数是看过页数的多少倍?
(100-20)÷20
=80÷20
=4
答:没看的页数是看过页数的4倍.
在Visual FoxPro中有如下程序文件TEST: *程序名:TEST.PRG *调用方法:DO TEST SET TALK OFF CLOSE ALL mX=“Visual FoxPro” mY=“二级” DO SUB1 WITH mY mY+mX RETURN *子程序:SUB1.PRG PROCEDURE SUB1 PARAMETERS mY mY=“计算机等级”+mY RETURN 执行命令DO TEST后,屏幕的显示结果为
A.二级Visual FoxPro
B.计算机等级二级Visual FoxPro
C.计算机等级Visual FoxPro
D.计算机等级二级
Erosion that is a slow process, but it constantly changes the features on the surface of the earth.
A.which is
B.although
C.being
D.is