工人师傅将油漆均匀喷在金属表面，每喷1 dm²需0.5 cm³的油漆，则金属表面所喷油漆层的厚度是__________mm，若油漆的密度是1.2×10³ kg/m³，则喷1 m²的金属表面需________kg的油漆。

Is there _______ in your report?[ ]

A. something important

B. important something

C. anything important

D. important anything