下列哪些物质是初级胆汁酸？（）

British car workers did not earn nearly enough m（）to bu...

填空题British car workers did not earn nearly enough m（）to buy the products they were turning out.

She went through a period of tough training before she ...

填空题She went through a period of tough training before she earned the j（）to make a living.

资本集中的方式是( ) A．资本积聚和资本积累 B．竞争和剩余价值的...

单项选择题资本集中的方式是(    )
   A．资本积聚和资本积累    B．竞争和剩余价值的资本化
   C．竞争和信用    D．简单再生产和扩大再生产