变址间接寻址
参考答案：
将指令中指定的变址寄存器和基址寄存器的内容相加形成操作数地址的寻址方式。
设0＜a＜1，若x1=a，x2=ax1，x3=ax2，x4=ax3，…xn=axn-1，…则数列{xn}（ ）
A．递增
B．偶数项增，奇数项减
C．递减
D．奇数项增，偶数项减
—Will you accept his proposal?
—Me?____．He is the last man in the world I want to marry．
A．not likely
B．not really
C．not exactly
D．not nearly
