break through和break down的区别

题目

break through和break down的区别
forms of transportatin and communication have done much to _______ isolation of life in Alaska.
a)break through b) break down
该选哪个啊

答案

break through 是突破,break down 是详述,分解
因此要选择 A.break through
Forms of transportation and communication have done much to (break through) isolation of life in Alaska.
运输与通讯方式的改善已经突破了阿拉斯佳的封闭生活.