When we tlkbout the cities in United Sttes, the first ________comes into our mind is New Y

A. 甲和乙两单位共同所有
B. 甲单位
C. 乙单位
D. 其他

A. 声卡故障
B. 摄像机故障
C. CPU有问题
D. 硬盘有问题

lly.— Wht should I do before operting the new mchine — You’d better red its ______ first crefully.explntions B．instructions C．descriptions D．introductionsA．explanationsB．instructionsC．descriptionsD．introductions