2. 外语
  3. Agriculture was a step in human progress ______ subsequently there was nothing comparable until our own machine age.

Agriculture was a step in human progress ______ subsequently there was nothing comparable until our own machine age.

admin2011-02-26  77
问题 Agriculture was a step in human progress ______ subsequently there was nothing comparable until our own machine age.
选项 A、to which
B、signal
C、from which
D、in which
答案B
解析
转载请注明原文地址:https://www.kaotiyun.com/show/vPBO777K
0

考博英语

相关试题推荐
随机试题
最新回复(0)