题干
Almost ____ of the students in this class ____ glasses, that is, ____ of them.
A：two thirds; wear; 60 percent
B：two thirds; wear; 60 percent
C：two third; wears; 60 percent
D：two third; wears; 60 percent
答案(点此获取答案解析）
A
，将函数
（
）的图象向左平移
个单位，所得图象对应的函数为偶函数，则
的最小值是