()是指色彩与其补色所作用生成灰色的程度。 ["色相","纯度","明度","色彩"]
在中枢神经中BZ受体密度最多在部位是() ["额叶皮层","枕叶皮层","海马","丘脑皮层","延髓"]
痛风病人不宜食用果糖的原因是()。 ["诱发糖尿病","发生低血糖","加速嘌呤分解","造成血糖波动","加速嘌呤合成"]
不锈钢铸件的磨平磨光材料禁用下列哪种?() ["A.氧化铬","B.氧化锡","C.刚玉","D.碳化硅","E.红铁粉"]
上菜时要报菜名,介绍菜品时,()不需向客人作介绍。 ["A、菜肴价格","B、菜肴烹调原理","C、特色菜品","D、喜食人和人群"]
国际银团信贷的当事人有哪些?