下图是G20杭州峰会会标图案，用20根线条，描绘出一个桥形轮廓，寓意着G20已成为全球经济增长之桥、国际社会合作之桥、面向未来的共赢之桥。同时辅以G20，2016，CHINA和篆刻隶书“中国”印章。

9月4日“最忆是杭州”晚会惊艳世界，在水面舞台上，一曲《春江花月夜》拉开序幕，姑娘们跳起了《采茶舞曲》，在小提琴曲《梁祝》的陪伴下，一路《高山流水》觅知音。“最忆是杭州"文艺晚会，犹如一张璀璨的国家文化名片，传递着中国的文化自信，让世界感受了中华文明的魅力，见证了中国发展的软实力。

阅读下面材料，在空白处填入适当的内容（1个单词）或括号内单词的正确形式。

             Long ago, there lived in Greece a ____(learn) man. He was ____well-known for his knowledge of almosteverything that lots of people from all over the country came to learn fromhim. The great man taught his students whole-heartedly and answered theirquestions with great ____(patient).

           One day, a student asked him, “My dearteacher, didn't you say you yourself have many more questions about things thanwe do?____ I think we students have far more than you.”

           With a smile on his face, the teacher ____(draw) two circles, one as large as abig cake, the other smaller. Then he said, “Of course, I have learned muchmore. But ____is wrong to think ateacher has fewer questions than his students. Now, look at these two circles.The inside of the bigger one is my knowledge of things, and the inside of thesmaller one is____(you). Out ofthe circles is what is still unknown to us. Since mine is larger, I have ____(use) the longer line to draw thebigger circle. That ____(mean) Ihave more opportunities to face what is still unknown. And that's why I myselfhave more questions than you do. The ____(much) you learn, the more questionsyou have. You will never learn enough, you know.”