Only when we realize how serious the environment is damaged, _______ is usually ignored, ______ try our best to fight against it.
A:it; can we
B:what; can we
C:which; we can
D:which; can we
函数y=(x3﹣x)2|x|图象大致是( )
如图,在平面直角坐标系中,已知点A(3,0),点B(0,-4),则tan∠OAB的值为( )
在《金色的脚印》这篇课文中,大狐狸叼着鸡是为了吃掉它。( )