题目

Three years ago, the president of Harvard, Lawrence H. Summers, got into trouble for questioning women’s “intrinsic (内在的) aptitude (能力)”for science and engineering. Recently, a study paid for by America’s National Science Foundation has found that girls perform as well as boys on standardized math tests.   Although boys in high school performed better than girls in math 20 years ago, the researchers found that is no longer the case. The reason, they said, is simple: Girls used to take fewer advanced math courses than boys, but now they are taking just as many. “《辛丑条约》中最能表明清政府完全成为洋人统治中国人民的工具的内容是（ ）A．赔款4.5亿两白银B．拆毁大沽炮台C．严禁人民参加反帝活动 D．划定北京东交民巷为使馆界