A:对象名
B:方法
C:属性名
D:事件名
With the loss of labor,the old farmers ________at home had to choose less laborintensive crops.
我国法律保护公民智力成果权( )
________Beijing you see today is quite ________ different city from what it used to be.
根据所学知识,你认为贫血患者平时除了需要多吃含蛋白质丰富的食物外,还应多吃一些( )