有些反应非常灵敏，防止产生“过度检出”现象，可通过做（）。
参考答案：空白试验
—This winter H1Nl has become very popular in our country.
—Don't worry, it by our government. [ ]
A. must be control
B. can control
C. can be controlled
鉴定鱼肉类鲜度最常用的化学指标为（）
A.羰基价
B.K值
C.TVBN
D.过氧化物值
E.酸价
