【简答题】GB2760-2014中食品防腐剂共( )种。
【单选题】— He hasn't finished the work up to now. —Well, he____ . [ ]
【简答题】— He ought to have been warnedof the er. — ______, but he just wouldn’t listen tome. A. Soought he B. So he was C. Sowas he D. So he had
【单选题】下列不属于《食品安全国家标准 食品添加剂使用标准》(GB 2760-2014)中甜味剂的是( )
【单选题】过磷酸钙与下列( )肥料混施会引起水溶性磷的退化。
【单选题】He _______ in Japan as he left by boat last month.
【单选题】过磷酸钙与下列()肥料混合会引起水溶性钙的利用率降低。
【单选题】GB2760-2014把食品添加剂分为多少大类:
【多选题】宿主感染寄生虫后所表现的免疫反应类型大致有
【单选题】I suppose he ought to have known that,________?