计算机中地址线数目决定了CPU可直接访问的存储空间大小,若计算机地址线数目为20,则能访问的存储空间大小为()MB。
参考答案:0.125
在图甲中,根据平面镜成像特点,画出物体MN的像M'N'.
The further falling of the stock market as reported today has _______ a fresh wave of selling.
A.given off
B.set off
C.put off
D.got off