2017 江苏 第 47 题 单选题 区分题 2017_江苏卷 (英语) 60.Embryonic learning helps mother birds to identify the baby birds which C . A. can receive quality signalsB. are in need of trainingC. fit the environment betterD. make the loudest call. 参考答案C ☆ 收藏不会,直接看解析查看原卷 →