手拉葫芦使用时严禁超载吊物。
参考答案:对
_____ in a poor family made Jack very hardworking when he was still young.
A.Brought up
B.Bringing up
C.Having brought up
D.Being brought up
简述唯物主义哲学的三种历史形态和唯心主义哲学的两种主要形式。