She reached the top of the hill and stopped _______ on a big rock by the side of the path.
A:to have rested
B:resting
C:to rest
D:rest
______ you break your toy?
如果黄赤交角缩小,则( )
已知P(x,y)为区域y2-x2≤00≤x≤a内的任意一点,当该区域的面积为4时,z=2x﹣y的
最大值是( )
①保持乐观心态,坦然接受
②克服烦恼,调控好情绪
③锻炼身体,合理饮食,保持营养平衡
④摆脱依赖,什么事情都自己解决