下列关于催化剂的说法错误的是( )
①若p∧q是真命题,则¬p可能是真命题;
②命题“∃x0∈R,x02﹣x0﹣1<0”的否定是“∀x∈R,x2﹣x﹣1≥0”;
③“a>5且b>﹣5”是“a+b>0”的充要条件;
④当α<0时,幂函数y=xα在区间(0,+∞)上单调递减.
—What do you think of the robots in the future?
—I think they won't __________ do all the work like humans.