一、选择题（下列各小题均有四个选项，其中有个符合题意。每小题2分，共50分）1．用毛皮摩擦过的橡胶棒带负电，这是因为：（）（A）一部分电子从毛皮转移到像胶棒上；（B）一部分正电荷橡胶棒转移到毛皮上；（C）正、负电行同时发生了转移；（D）摩擦过程中产生了负电荷。2． First, multiple-choice questions (the following questions have four options, one of which matches the question. Each question 2 points, a total of 50 points) 1. Rubber rods rubbed with fur are negatively charged because: () (A) a part of the electrons are transferred from the fur to the glue stick; (B) a part of the positive rubber rod is transferred to the fur; (C) positive and negative electricity lines At the same time, transfer occurred; (D) Negative charges were generated during the rubbing process. 2.