单项选择题
According to the metaphor of the patchwork quilt, we can know that… A. The entrepreneurs using effectual approach have wider latitude in putting together the pattern B. The entrepreneurs using effectual approach usually work alone C. The entrepreneurs using effectual approach don't need to make the quilt meaningful but pleasing
多项选择题 以下哪些订单状态需要卖家跟进处理()A. 等待发货订单B. 有纠纷的订单C. 等待确认收货订单D. 买家申请取消订单
单项选择题 在一定的环境温度下,冷库温度越低,逆向卡诺循环的制冷系数越小,循环消耗的净功就越大。( )
单项选择题 排出管道上的压力降将导致压缩机的排气压力升高。( )