A:Na2O2 + H2O
B:Cl2 + H2O
C:F2 + H2O
D:NO2 + H2O
My grandma's birthday is on October sixth. (对画线部分提问)
____ ____your grandma's birthday?
I don't like ____T-shirt.
人的精子细胞中的染色体组成是( )