用亲脂性有机溶剂提取生物碱时,湿润原料用()
A.二乙胺
B.稀盐酸
C.氢氧化钾
D.碳酸钠
E.水
参考答案:D
At the meeting experts stated this method was _____ to others. [ ]
A. superior
B. junior
C. senior
D. equal
物联网的目标是实现电脑世界与物理世界的融合。