肿瘤位于中线两侧并按胼胝体纤维分布两边对称呈蝴蝶样改变,常为胼胝体肿瘤征象
A.蝴蝶征B.靶征C.透明隔增厚征D.白质推挤征E.三角征
参考答案:A
It is said that Columbus Day is ________ the arrival of Christopher Columbus in the New World
in the USA.[ ]
A.in honour of
B.in need of
C.in favour of
D.in place of
自西周到(),琴的形制不断得到改进。
A.西汉
B.南宋
C.北宋
D.大唐