如果边际技术替代率MRTSLK小于劳动与资本的价格之比,为使成本最小,该厂商应该( )。
________are often used in pronunciation practice because they are fun and motivating. Also the relaxing atmosphere helps students overcome inhibition. Students should be given time to practice on their own for a few minutes before they are asked to perform in front of the whole class.
/L。尿常规:蛋白(+++),红细胞5~10/HP。其诊断是( )
()着重于画面之间或段落与段落之间,不同形象画面的内在联系,通过画面组合效应,形成一种概念或某种寓意,引起激发观众的联想说明一个问题。