I prefer skiing to climbing because I think climbing is skiing.
A:not as exciting as
B:not more exciting as
C:not most exciting as
D:more exciting than
元代的____不仅创造了木活字印刷,还发明了转轮活字盘。
人一生中身高发育和智力发展的黄金时期是( )
如图,若把太阳看成一个圆,则太阳与地平线l的位置关系是____ (填“相交”、“相切”、“相离”).
Do you know great inventions in the world? ( )