题目

若二次根式 有意义，则 x 的取值范围是_______． 答案：【答案】x≤3．【解析】解：∵二次根式有意义，∴3﹣x≥0，解得：x≤3．故答案为：x≤3．---Don’t forget to call me when you arrive in Shanghai.---Well, I will call you as soon as I ___ there.A. get B. gets C. getting D. got