A:置疑传染委屈
B:质疑传染委曲
C:质疑感染委屈
D:置疑感染委曲
—Oh,God!Somebody________the cup.
—It wasn't me.I didn't do it.
长江发源于( )
已知函数f(x)=Asinωx(A>0,ω>0)的部分图象如图所示,若△EFG是边长为2的正三角形,则f(1)=( )