They _____ in Shanghai since 1998. [ ]
A. live
B. lived
C. have lived
D. had lived
答案:C
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。()
高清输出电视墙扣板,主要负责标清、高清电视墙信号处理的是?()
A.HDPA
B.POEA
C.GWBA
D.VOBA