单项选择题
The profit earned by a business in 20X7 was 8,000 during the year and withdrew goods for his private use which had cost 101,700, what were the closing net assets? A、39,400 C、180,000
单项选择题 目前临床用于检测卵巢上皮性肿瘤最常用的指标是 A. CA125 B. AFP C. E3 D. P
多项选择题 以下哪些写法有语法错误
单项选择题 当AT89S51单片机与慢速外设进行数据传输时，最佳的数传方式是采用（ ）。 A、查询方式 B、中断方式 C、异步串口 D、其它
