OPT的目标是通过下列方法实现的（）
A.减少库存
B.减少运行费
C.减少产出率
D.增加产出率
参考答案：A, B, D
Justin kicked the ball into his own goal. It was _____ his stupid kick that we won the game.
A．because
B．since
C．thanks to
D．according to
马克思：哲学
A．爱因斯坦：相对论
B．邓 * * ：一国两制
C．诸葛亮：三国演义
D．陈景润：数学
