饲料级硫酸亚铁定性鉴别时,是向试样溶液中加入铁氰化钾溶液,生成()沉淀。
参考答案:深蓝色
Who _____________ to go to the store to buy a ball? [ ]
A. like
B. likes
C. do like
D. liking
晕圈征是恶性肿瘤特有的一种X线征象。