【单选题】The next issue we would like to discuss is the currency to be ________ in the contract.
【简答题】We'd better postpone______________ (discuss) the issue till next week.
【判断题】The vertical negotiation is characterized by the fact that if we have not solved the previous issue and then we are unable to confer the next one.
【简答题】精车 Φ26外圆至尺寸合格,长 ( ) 至 合格尺寸 ;
【判断题】湿手不能触摸带电的电器,不能用湿布擦拭使用中的电器。()
【单选题】下列说法正确的是
C.
复连通区域的外边界正向为逆时针方向,内边界正向为顺时针方向