【判断题】工程技术与经济是人类社会进行物质生产不可分割的两个方面。
【简答题】0乘任何数都得0,0除以任何数都得0.______.(判断对错)
【判断题】价格促销是超级市场开展销售促进活动的一个主要内容。()
【单选题】二极管的正向电阻越( )越好,反向电阻越( )越好。
【简答题】0除以任何数都得0,任何数除以1的商都是任何数.______.(判断对错)
【单选题】A: Have you finished your homework? B:().
B.
No, I haven't finished
【判断题】价格促销是超级市场开展促销活动的一个主要内容。
【判断题】二极管的正向电阻越大,反向电阻越小,说明二极管的单向导电性能越好
【单选题】听力原文:M: Have you finished that copy for the catalogue? W: Finished it? I haven't started it yet! M: But it's urgent! The client needs it this afternoon. We'll have a meeting. W: Well, I wish you'd tol...
【单选题】When you have finished with that video tape, don't forget to put it in my drawer, _________?