题目

— What' s this in English?— It's _______. A . an orange B . a orange C . orange D . the orange 答案：A 长方体的体积= [   ] 正方体的体积= [   ] A. 长×宽 B. 棱长×棱长×棱长 C. 长×宽×高 D. 棱长×棱长×6