【单选题】Speaking is more primary than writing because
A.
speaking is easier than writing.
B.
speaking in used more often than writing
C.
people like speaking rather than writing
D.
writing is time consuming
【单选题】城市发现甲类传染病及乙类的艾滋病,肺炭疽、病原携带者或疑似病人的报告时限为
【单选题】城市发现甲类传染病及乙类的艾滋病,肺炭疽、病原携带者或疑似病人的报告时限为
【单选题】农村发现甲类传染病及乙类的艾滋病,肺炭疽、病原携带者或疑似病人的报告时限为()
【简答题】创建“无毒社区”活动的基本要求和标准是什么?