判断生猪生产和市场情况的基本指标是( )。
A．猪粮比例
B．猪粮比价
C．猪粮差价
D．猪粮倍数
参考答案：B
解析： 《防止生猪价格过度下跌调控预案(暂行)》预警指标中明确规定，国家在判断生猪生产和市场情况时，将猪粮比价作为基本指标，同时参考仔猪与白条肉价格之比、生猪存栏和能繁母猪存栏情况，并根据生猪生产方式、生产成本和市场需求变化等因素适时调整预警指标及具体标准。
Which of the following is true about the Japanese economy, according to the passage
A．It will slide into deflation very soon.
B．It has been affected by economic recession for almost ten years.
C．It has maintained a sustained economic recovery for the past decade.
D．It will propose to attract more American businesses to invest in key industries.