胡适1923年给友人的信中写到：“25年来，只有三个杂志可代表三个时代，可以说创造了三个新时代：一是《时务报》，二是《新民丛报》，三是《新青年》。”其中，《新青年》所创造的“新时代”指的是（    ）

阅读理解。

    Amy and Sarah are good friends. They are from America. They like winter in America because there are many activities in winter. They can make a snowman,go fishing and go skiing with many friends. There are two festivals (节目) in winter. They're Christmas Day and Thanksgiving. Amy and Sarah are very happy. But they're in Beijing now. They like winter in Beijing, too. Because It's beautiful. It's windy and cold. They're going to visit the Great Wall, so they're very happy.