弹子结构
参考答案：
一组基本形状为圆柱形的零件，起销住或释放锁芯运动作用的结构称弹子结构。
Java语言中，有一个类是所有类或接口的父类，这个类的名称是______。
Questions 1 to 5 are based on the following conversation.
A. Offering benchmarks. B. Giving up quietly. C. Saying it over and over again. D. Removing the skepticism raised by the boss.
