A:f(x)=2sin(πx+π6)(x∈R)
B:f(x)=2sin(2πx+π6)(x∈R)
C:f(x)=2sin(πx+π3)(x∈R)
D:f(x)=2sin(2πx+π3)(x∈R)
— Liu Xiang won the 110-meter hurdling gold at the 11th National Games again.
— He is always a super star in my heart. Congratulations to him.
我国面积最大的省级行政单位是( )