用同一只密度计测量酒精和水的密度,密度计在酒精中受到的浮力____在水中受到的浮力,在酒精中露出的体积____在水中露出的体积.(选填“大于”、“小于”或“等于”)
﹣64的立方根与16的平方根之和是 ____
Peter was so excited _______ he received the invitation to the important meeting.