题目

  I began to grow up that winter night when my parents and I were returning from my aunt’s house, and my mother said that we might soon be leaving for America. We were on the bus then. I was crying, and some people on the bus were turning around to look at me. I remember that I could not bear the thought of never hearing again the radio program for school children to which I listened every morning.     I do not remember myself crying for this reason again. In fact, I think I cried very little when I was saying goodbye to my friends and relatives. When we were leaving I thought about all 7．英国科学技术史专家李约瑟博士说：“明代的水师在历史上可能比任何其亚洲国家的任何时代都出色，甚至较同时代的任何欧洲国家，乃至于所有欧洲国家联合起来，都可说不是它的对手。”下列事件中，能够证明这一观点的是（　　）A．日本遣唐使来华B．郑和下西洋C．张骞通西域D．郑成功收复台湾