题目

阅读填空阅读下面短文，根据所读内容，在文章后1-10小题的空格里填入一个最恰当的单词.注意：每个空格只填1个单词。As teenagers, changing the world does not only mean finding a cure for cancer, or finding the origin of humanity, but recycling a piece of paper as well. Going Green is a practical way that teenagers can have a real and meaningful influence in the world. What follows are three simple ways teenagers can go green and change the world.RecycleAccording to a Wire & Twine online article, 63 million newspapers go out to street vendors (摊9．将函数y=2sin（2x+$\frac{π}{6}$）的图象向右平移$\frac{1}{4}$个周期后，所得图象对应的函数为（　　）A．y=2sin（2x+$\frac{π}{4}$）B．y=2sin（2x+$\frac{π}{3}$）C．y=2sin（2x-$\frac{π}{4}$）D．y=2sin（2x-$\frac{π}{3}$）