听力的答案,供大家参考一下。" o5 C( z& p* X v# T
conversation 2: Biology
2 X9 M. {6 w" L9 _% G8 b第一题:how it develops from an early age
# f) r* S. I6 Y, U& S. @第二题:it imitates only parts of parents' song* _# x" `1 Y, R
第三题:they need little exposure to adult song in order to learn it) _2 K" ^% i$ J
第四题:the words in the term are probably familiar to the students
6 k! v3 ^& J, |2 ]第五题(他都告诉你正确答案了):to explain a term she just introduced
5 k$ S0 y0 B% L$ \1 h' j第六题:she compare the sounds a chaffinch makes to those a human baby makes