A:f(x)=2sin(x−π6)
B:f(x)=2sin(2x−π6)
C:f(x)=2sin(x+π12)
D:f(x)=2sin(2x−π3)
下列各项判断与分析中,不正确的一项是( )
将如图中有关植物体的结构层次填写完整.
Why not ______ help when you were in danger?