已知：$\overrightarrow{a}$=（2cosx，sinx），$\overrightarrow{b}$=（$\sqrt{3}$cosx，2cosx），设函数f（x）=$\overrightarrow{a}$$·$$\overrightarrow{b}$﹣$\sqrt{3}$（x∈R）求：

（1）f（x）的最小正周期及最值；

（2）f（x）的对称轴及单调递增区间．

We have six lessons today. At 8:00 a. m. we have Chinese. At 8:50 a.m. we have Maths. At 10:00 a. m. we have Science. At 10:50 a.m. we have Music. From 11:30a.m. to 1:30 p.m. we have a lunch break. In the afternoon, we have English and Art.

对下列句子使用的修辞手法及分析理解正确的一项是（   ）