2. 外语
  3. A considerable amount of time and money has been invested in ______ this system.

A considerable amount of time and money has been invested in ______ this system.

admin2013-01-15  62
问题 A considerable amount of time and money has been invested in ______ this system.
选项 A、defining
B、implying
C、reducing
D、perfecting
答案D
解析 defining定义；implying暗示；reducing减少；perfecting完善
转载请注明原文地址:https://kaotiyun.com/show/gE2O777K
0

考博英语

相关试题推荐
随机试题
最新回复(0)