—Where do they work?’
—
A:I work on a farm
B:They work in a hospital
C:They are doctors
D:They are students.
“太阳大,地球小,太阳带着地球跑;地球大,月球小,地球带着月球跑.”重温儿时的童谣,完成:童谣中出现的天体,按先后顺序排列正确的是( )
下列各物质哪些是电解质,哪些是非电解质?
KCl BaSO4 CH3CH2OH NaOH Fe H2SO4 H2O.
如图体现某民族的传统节日,这一民族是( )
A woman, with her son appeared at the far end of the street.