交叉步
参考答案：
进攻或防守的步法技术之一。顾名思义就是移位过程二脚呈现交叉状态，她比滑步还快却容易失去重心。
— Why not buy the beautiful necklace since you like it so much?
— I would but I _____ have enough money. [ ]
A. didn't
B. shouldn't
C. don't
D. hadn't
A．，正电荷
B．，正电荷
C．，负电荷
D．，负电荷
，正电荷
，正电荷
，负电荷
，负电荷