Some time ago I discovered that one of my chairs had a broken leg. I didn't think there would be any difficulty in getting it mended, as there are a whole lot of antique(古董) shops near my home.
Anne Whitney, a sophomore(大学二年级学生)at Colorado State University, first had a problem taking tests when she began college. “I was always well prepared for my tests. Sometimes I studied
列各组数中，互为相反数的是（ ）
B．（-1）2与1 C．-1与（-1）2 D．2与│-2│