Her health ____ under the pressure of work and she decided to live a balanced life from then on.

A．broke out

B．broke in

C．broke away

D．broke down

运用哪些性质（填在下列括号中）可以区别厨房中的下列物质：

①白糖和食盐（　 ） ②铜导线和铝导线（ 　）

③白酒和白醋（　 ） ④酒精和水（ 　）