He said he was very sorry because it was _______ his power to make the final decision. _______, I had to turn to others for help.
A:beyond; In that case
B:beyond; In no case
C:over; In any case
D:over; In his case
求涂色部分的面积.
面积是____ dm2
李明在学习了十月革命的内容后对其进行了评价,其中错误的是( )
可作为焊接保护气和制成多种颜色光源的气体是( )