阴病治阳适用于
A．实寒证B．实热证C．虚寒证D．虚热证
参考答案：C
—Are you a volunteer now?
—No, but I _____. I worked for the City Sports Meeting last year.
A．used to
B．used to be
C．used to do
D．was used to
下列食物中，蛋白质含量最丰富的是 （ ）
A．新鲜菠菜
B．面包
C．米饭
D．鸡蛋
