Despite the fact ________ they lacked food, the explorers continued towards the goal.
A:which
B:that
C:what
D:whether
如图中农村人口大量向城市迁移的现象,多发生在( )
已知a→=(sinx,cosx),b→=(cosx,cosx),f(x)=a→·b→
(I)求f(x)的最小正周期和单调递增区间;
(II)在△ABC中,角A满足f(A)=12,求角A.