— The cars made in Germany are more expensive than ________ made in Japan.
— Yes, I can't agree more. But they're much better.
A:it
B:that
C:those
D:ones
m=(1,sinA),n=(2,sinB),且m∥n.
(Ⅰ)求 b , c 的值;
(Ⅱ)求角A的大小及△ABC的面积.
《民报》创刊号刊登黄帝象(见下图,图中上方文字为:世界第一之民族主义大伟人黄帝;图中下方文字为:中华民国开国之始祖)的主要目的是( )
已知e1→和e2→是平面上的两个单位向量,且e1→+e2→≤1,OP→=me1→,OQ→=ne2→,若O为坐标原点,m,n均为正常数,则OP→+OQ→2的最大值为 ( )