【简答题】How to Make Your Business Guests Happy Today, you don't _1_ business only in your office. all over the world, people understand that it is important to _2_ business partners, customers and suppliers. ...
【判断题】塑性是衡量材料在外力作用下抵抗塑性变形或断裂的能力。
【判断题】具有偏导数的函数的极值点必定是驻点. 但函数的驻点不一定是极值点. ( )
【判断题】Much to our regret, we cannot entertain business at your price, since it is out of line with the prevailing market, being 20% lower than the average. 很遗憾,我方不能考虑按你方价格成交,因为你方价格与现在市场价不一致,要比均价低20%。