选择题：属于斯德哥尔摩公约中被控制或消除的持久性有机污染物是( )(本题2.0分)A. 苯并芘B. 多氯联苯

We have advantage __ you in the field of manufacturing electrical products.

It is rather _____ that the research team as a whole still has little idea about

This is a (confuse) word because it has two meanings. confusing

My son has no intention of (spend) a vocation with me.

在篮球比赛中，教练员根据场上的局势及时调整战术，并更换队员。从管理职能上讲，教练员行使的职能是 （ ）A A)B B)C C)D D)