简述班级正式群体的组成。
参考答案:
—I _________ a basketball. Does Jack have one? —No, he doesn’t have, either(也).
A.have
B.doesn’t have
C.has
D.don’t have
有如下程序 #include<iostream.h> void main( ) { float x=2.0,y; if(x<0.0)y=0.0; else if(x<10.0)y=1.0/x; else y=1.0; cout < < y; } 该程序的输出结果是( )。
A. 8K
B. 16K
C. 32K
D. 64K