Those who tend to _____ to their fate are sure not to make any achievements.
A:apply
B:subscribe
C:correspond
D:submit
用配方法将二次三项式a2-4a+5变形,结果为( )
4.3÷4.3×1=( )
函数f(x)=Asin(ωx+φ)(其中A>0,Φ<π2)的图象如图所示,为了得到g(x)=sin2x的图象,则只需将f(x)的图象( )