—Yes, we _________ take it seriously.
A:should
B:can
C:might
D:may
某同学做“测量小灯泡电功率”实验中,所用电源电压恒为4V,小灯泡的螺旋套上标有“2.5V”字样
77×8=()8×7=()}口诀 ____