题目: 符合CCIR-625建议的NBDP设备,使用九位数字选呼码,在呼叫定相过程中,由于残缺接收,在经过()周期后,无线电路不能建立,则主台自动转回预备状态A、32B、64C、128D、280 答案: 参考答案:A
题型:补全对话,情景问答 补全对话。Grandma:l._________ Daming:I'm fine,thank you. I'm going to go to America tomorrow. Grandma:What are you going to take tomorrow? Daming:2._______ Grandma:3.________ Daming:To the airport. Grandma:4._________ Daming:At seven o'clock tomorrow morning. Grandma:5._________ Daming:It's me,of course! Haha. 查看答案
题型:单项选择题 男性患者,60岁,突然右侧肢体活动不灵,历时10分钟缓解。次日晨起出现右侧偏瘫。病后3日来诊。BP:20/12kPa(150/90mmHg),为确诊首选的检查是()A.脑电图B.CT脑扫描C.腰椎穿刺D.脑超声E.脑血流量 查看答案