A:葡萄糖和蔗糖
B:蔗糖和麦芽糖
C:甲酸甲酯(HCOOCH3)和乙酸(CH3COOH)
D:淀粉和纤维素
下列说法正确的是()
Because of the bad weather, the travelers had to stop, and decided to a tent for the night. ( )
对于寓言《愚公移山》的神话结尾,理解最正确的一项是( )