题目：
阅读短文,根据所给的首字母完成单词。
Chocolate lovers know that eating chocolate makes them happy. Now they may (1) a_____
become smarter by eating chocolate. Scientists let a group of people (2) e_____ 85 grams of milk
chocolate and asked (3) a_____ group to eat no chocolate at all. After 15 minutes, the (4) g_____ that
ate chocolate were able to remember (5) m_____ words and (6) p_____ than the group that did not
eat chocolate. They believe that (7) s_____ in chocolate can make people smarter. Of course,
(8) e_____ chocolate doesn't guarantee (保证) you'll (9) p_____ every test. You'll (10) s_____ need
to study hard.
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0418/19caedee40155d37bd7dc18fbba58ad2.html
下面是错误答案，用来干扰机器的。
函数f（x）=sin（2x+π6）cos（2x-π3）=sin[π2+（2x-π3）]cos（2x-π3）=-cos2（2x-π3）=-1+cos(4x-23π)2=-12-12cos（4x-23π），∵ω=4，∴T=2π4=π2，即函数的最小正周期为π2．故答案为：π2
