Complete each of the following sentences with a (compound) word derived from the one(s) given in brackets.
It is advisable to take a(n) （ ）approach to new ideas. (mind, open)
【正确答案】：OPEN-MIND
【题目解析】：
空格处缺少形容词，mind和open可合成形容词open-mind开放的。句意：对新思想采取开放的态度是明智的。