判断题 无论移动台在何种模式下，只要发现位置区发生变化时，即向网络发出位置更新请求。

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