【单选题】市场经济是指由市场调节的价格支配资源的配置和使用,而价格能否有效发挥作用,主要取决于( )。
C.
经济理论是否能对实践变化做出正确的预测和客观分析
【单选题】刷单炒信,是指在电商平台上的卖家通过安排刷手进行虚假交易、提高商品销量、好评率和店铺信誉,从而提升商品或店铺检索排名,增加交易机会的行为。刷单炒信的行为( ) 1侵犯了消费者的自主选择权,对消费者的购物决策产生严重误导 2使卖家提高市场占有率,引导生产者迅速扩大生产规模 3会使商品价格大幅度波动,导致资源配置效率低下 4违背了市场交易的诚实守信原则,扰乱了正常的市场秩序
【单选题】The situation today is obviously quite different from ______ it was 50 years ago.
【单选题】The situation today is obviously quite different from ______ it was only 50 years ago.
【简答题】The situation today is obviously different from ______ it was only 50 years ago.
【简答题】The situation today is obviously quite different from ________ it was only 50 years ago. A) what B) which C) when D) such
【单选题】资源配置的市场机制是指市场经济体制中,通过()信号的导向作用以及资源产权的转让实现市场经济主体之间相互利益的调整进而达到配置资源。
【简答题】The ________ stage has been reached and we must do something to change the situation todayA. critical
【单选题】The situation today is obviously different from it was about 30 years ago.
【简答题】资源配置是通过( )进行的,而市场价格是由需求和供给这两个方面的相互作用而决定的。