《千金要方·心腹痛》等书中列有九种______，实际上多指______而言。
参考答案：心痛 胃痛
已知集合A={x||x+1|＜2}，B={x|-x2+2x+3≥0}，则A∪B=______．
According to news report,personal_________ of guns in the USA causes a lot of trouble.
A．wealth
B．possession
C．matter
D．pull
