题目

函数y=的自变量x的取值范围是（） A . x=1 B . x≠1 C . x≥1 D . x≤1 答案：C() 2. [2016 • 预测]—I can't find Ted for three days. Where is he?       —He Beijing for a meeting.   A. has been to   B. has gone to   C. have been to