—The American warships(军舰) have appeared near South China Sea Islands again.
—We must let the Americans know clearly that the islands China.
A:come from
B:belong to
C:care about
D:believe in
下列词语中,字形和加线字的读音全都正确的一项是( )
关于函数f(x)=(2x-12x)·x13和实数m、n的下列结论中正确的是( )