将一定质量的铁粉和铜粉的混合物加入 A g N O 3 溶液中,反应结束后过滤,分别向滤液和滤渣中加入稀盐酸,均无明显现象,下列对滤渣和滤液的说明中,不正确的是()
()Our teacher teaches us____ a song.
()Li Ming learns to skate very ____.
()It is a ____ day.
()It’s cold and snowy_______. A. on winter B. in winter C. about winter
()_____favourite season is summer. A.IB. MeC. My