— ________ Maria from Japan? — Yes, ________.
A:Are; they are
B:Is; she is
C:Does; she does
俄罗斯所处的纬度较高,其气候特征是
下列那位科学家发明最早的直流电源( )
我们通常所说的蓝眼睛是指人的眼球中( )