对溺水人员应迅速采取的急救措施是：转送、检查、控水、（）。
参考答案：人工呼吸
------ Have you seen your nephew lately?
------ Yes, in fact, I saw him yesterday. I ______ him for three years.
A．haven’t
B．didn’t
C．hadn’t
D．don’t
社会保险水平应当与社会经济发展水平和社会承受力相适应。（）
