The Postal Service announced Tuesday it had made a significant in getting machinces to read handwriting .
A. progress
B. break through
C. impression
D. difference
网友回答
A. progress
(答案→)B. break through
C. impression
D. difference
解析：考查名词辨析。A“进步”；B“突破，进展”；C“印象”；D“不同”。句意“周二宣布的邮政服务在购买新机器来阅读手写字体方面，有了重大突破。”故选B。