— Who taught ________to make a home page?
— Nobody, I taught ________.
A:you; me
B:you; myself
C:yourself; me
D:yourself; myself
被马克思称为“丢掉了最后一点羞耻心和良心的罪恶”的“三角贸易”航程是( )
已知平面向量a→与b→的夹角为60o,且满足(a→-b→)·a→=0,若a→=1,则b→=( )