从烧结过程的热平衡观点来看，水分是混合料的（）成分，因为要除去水分必须消耗（）。
参考答案：有害；热量
Young children are often advised not to spoil their appetite by eating sweets ________ the three meals.
A．among
B．during
C．between
D．through
卫生检疫机构可以派员随车实施检疫，列车长应当提供方便。 ( )
