如丙图所示，a是垂直纸面放置的闭合电路的部分导体，请画出能产生感应电流的一种导体运动方向（用箭头表示）．

1901年清政府与帝国主义签订哪一个条约之后，使中国完全陷入半殖民地半封建社会的深渊之中（   ）

A

      Every year, millions of Chinese college students from poor families face money problems. These problems have become a major problem of the whole society. Last month, a national(国家的) survey by the Chinese Foundation for Poverty Alleviation(中国扶贫基金会）was held to learn more about their college life. Here are some of results.

(I) The monthly costs for students     (II) Where do they get subsidies(补助金）?