问题
选择题
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
答案
答案：B
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。