A．Saudi Arabia build its own food industry
B．Saudi Arabia import food from U.S.
C．U.S．become self-sufficient with its oil
D．U.S．explore its oil shale
A．it helps to establish national industry of one's own
B．it can achieve an independent economy
C．it is favored by general public
D．it benefits some privileged few
A．International free trade may improve the standard of living all over the world
B．Economists are all in favor of the free trade policy
C．International free trade may create international competition
D．Protectionism has been abolished due to encouraging monopoly, lower quality and higher prices
A．经济中实现了充分就业
B．通货膨胀率为零
C．物价水平保持稳定
D．总供给受到了资源和其他因素的制约