Burj Khalifa is tall 858 M.
举一反三
- Burj Khalifa Tower is located in Dubai. ( )
- The height of Burj Al Arab is ( ).
- 压力系数>1时，对应压力梯度为（） A: <0.01Mpa/m； B: 0.01Mpa/m—0.0237Mpa/m； C: >0.0231Mpa/m.
- 设A为m×n矩阵，B为n×m矩阵，若AB＝E，则( ) A: r(A)＝m，r(B)＝m． B: r(A)＝m，r(B)＝n． C: r(A)＝n，r(B)＝m． D: r(A)＝n，r(B)＝n．
- ---Are you Wang Li ?---_________________ A: Yes,I'm. B: No,I'm not. C: Yes,I'm not.