题目

已知，，实数满足，则________. 答案：【答案】1或【解析】根据向量模的坐标计算，可得结果.由题意可得：,,解得或.故答案为：1或Once you are in a new culture, you need to _____yourself for a time, before you ______itA.fit; get used toB.suit; used toC.adjust; get used toD.correct; used to