来源：学生作业帮 编辑：作业帮 分类：英语作业 时间：2024/05/29 04:30:45
Technology has quickened the rate_______ we communicate with the world around us. A.for which B.at which C.to which D.with which
解题思路： RX
解题过程：
B考查定语从句中介词+关系代词 quicken the rate 加快。。。的频率 At、、、rate以、、、的频率。
最终答案：略
作业帮