The discussion is just meant to ____ (评估)the strengths and weaknesses of other players
The instructions on the bottle are really _______. I can't understand them at all.
在约束条件x>0y≤12x-2y+1≤0下，目标函数z=2x+y的值（ ）
“一树结果，酸甜各异”这句谚语说明了生物界普遍存在（ ）
