A:Two-fifths; i
B:Two-fifth; are
C:Two-fifth; i
D:Two-fifths; are
有一种碘和氧的化合物可以称为碘酸碘,其中碘元素呈+3、+5两种价态,则这种化合物的化学式是( )
下列说法正确的是( )
亚洲大多数居民属于( )
﹣As a nurse, her work goes taking care of her patients.
﹣Yes, she always thinks of others.