A:淀粉和纤维素
B:苯甲醇与邻甲苯酚
C:葡萄糖与麦芽糖
D:乙醇与乙醚
About ___________of the workers in the factory were born in__________. ( )
迄今为止发现的世界上现存最大的青铜器是( )