∵log232+log283
=log2 (32×83)
=log24=2
故答案为:2
当你为别人指路线:“直走,再向右拐。”应说:[ ]
A. Turn right, then go straight, please.
B. Go straight, then turn right, please.
C. Go straight, then turn left, please.
D. Turn left, then go straight, please.
变压器检查的内容包括:()。
A.外壳及箱沿应无异常发热
B.各种标志应齐全明显
C.各种保护装置应齐全、良好
D.各部位的接地应完好