题目

下列属于规律的是 A．春夏秋冬四季交替                     B．遗传与变异 C．水往低处流                           D．中学生守则 答案：B   解析: 本题考查规律的范畴。A、C项是现象，而非规律。D项是规则。请听下面一段材料，回答第1至2题。1. What will the woman do this weekend?A. Move into her dormitory.         B. Buy some furniture.C. Sell her old furniture.2. How many chairs does the woman need?A. 2.             B. 3.           C. 4.