题目

It was a cold winter’s night when I stopped for gas on my way home from work. I was tired and had a slight 36. I worked in a 37 doctor’s office and this was one of those days when the unexpected happened, making the schedule run 38than usual. It seemed I was going to be late 39home and my husband, being the 40person, would be ready to pronounce（宣布） me late once again. Maybe 41 I hurried, I could still make it home. I was heading inside to 42 for my gas when I noticed an older couple at the counter. I heard them asking for 43to the local hospital. It was the same hosp已知函数f（x）=sin2x-2cos2x（x∈R）．（Ⅰ）求函数f（x）的最小正周期；（Ⅱ）求函数f（x）的单调递增区间，并写出对称轴方程．