A:甲扬声器是高音扬声器
B:C2的作用是阻碍高频电流通过乙扬声器
C:L1的作用是阻碍低频电流通过甲扬声器
D:L2的作用是减弱乙扬声器的低频电流
— Isn't that your new English teacher over there?
— No, it ______ be her. She doesn't have long hair.
《南京条约》中首次提到割地赔款,下列属于《南京条约》中割占的领土是( )