英语阅读2
A 参考第二段said Shargorodsky, one of the researchers
C 参考第二段but even slight hearing loss may influence language development
B 参考最后一段
C
A 参考第二段said Shargorodsky, one of the researchers
C 参考第二段but even slight hearing loss may influence language development
B 参考最后一段
C
