【单选题】He __________ in the factory for three years before he joined the Army. [ ]
【单选题】The news came as no surprise to me. I for some time that the factory was going to shut down.
【判断题】与普查相比,抽样调查调查的范围小,组织方便,省时省力,所以调查项目可以多一些。
【单选题】When the factory worker in the third paragraph was a teenager, his father______.
A.
wanted him to start earning a living
B.
wanted him to study harder
C.
wanted him to work with him at the Ford plant
D.
wanted him to stop wearing such messy clothes
【单选题】H e ___ a visit to the factory and was warmly ___ by the workers there .
【判断题】协议可根据其不同特性进行分类,可分为直接型/间接型、单体型/结构化型、对称型/不对称型、标准型/非标准型等。
【多选题】时序法是按时间(年、月、日)发展的先后顺序进行排检文献的方法。以下按照主题排检法的工具书有()
【多选题】收入效应和总效应与价格的变动关系,下列叙述正确的有( )
A.
对于正常商品而言,其替代效应与价格成反向变动,收入效应也与价格成反向变动,从而总效应必定与价格成反向变动
B.
对于低档商品而言,其替代效应与价格成反应变动,收入效应与价格成同向变动,且收入效应大于替代效应,从而总效应与价格成同方向变动
C.
对于吉芬物品而言,其替代效应与价格成反应变动,收入效应与价格成同向变动,且收入效应小于替代效应,从而总效应与价格成反方向变动
D.
正常物品和低档物品的区别不对它们各自的替代效应产生影响,所以对于所有商品而言,替代效应与价格都成反向变动关系。