ZXWPM600中,波长间隔是()GHz,单波长最大容量为()Gbps.
参考答案:200、2.5
有以下源程序: package test; public class ClassA int x=20;static int y=6;public static void main(String args[]) ClassB b=new ClassB(); b.go(10); System.out.println("x="+b.x); class ClassB int x;void go(int y) ClassA a=new ClassA(); x=a.y; 上述源程序文件的运行结果为( )。
A.x=10
B.x=20
C.x=6
D.编译不通过
It is essential that you ______ competitive prices.
A. quoting B. quote C. making D. make