题目

求下列各式中x的值． ． 答案：【答案】； ． 【解析】（1）先求得x2的值，然后依据平方根的定义求解即可；（2）依据立方根的定义求解的x+1的值，然后解方程即可．由题意得：，．由题意可知，解得．单项选择。— Could you come here, please? —            . [     ]A. Certainly. B. Yes, I loved. C. No, I couldn't. D. Yes, I couldn't.