题目

My parents ________ in Hong Kong. They were born there and have never lived anywhere else. A．live  B．lived C．were living  D．will live 答案：A 解析：从have never lived anywhere else可知：“我的父母现在生活在香港。”表达现在存在的状态用一般现在时。从传染病的角度分析，携带H7N9禽流感病毒的禽类属于 ，工作人员对活禽交易市场进行地面消毒，从预防传染病的措施来看，这属于 ．