【单选题】关于南极地区和北极地区的叙述,正确的是 [ ]
【单选题】Who are the two speakers?
【判断题】性是可恶的, 性知识教育 不能 指导青少年保持性的生理和心理健康 。
【单选题】Where are the two speakers?
C.
At the railway station
【单选题】Where are the two speakers?
【单选题】关于南极地区和北极地区的叙述,正确的是( )
【简答题】Who are the two speakers?