计算机网络按信道的带宽分为______和宽带网。
参考答案:窄带网
理论上,股票分割或合并后,股价会以相同的比例向下或向上调整,但股东所持股票的市值不发生变化。()
My father is _______. And we just had a party for his _______ birthday last weekend.
A.forty; fortieth
B.forty; forty
C.fortieth; forty
D.fortieth; fortieth