当接通某侧转向开关后,前边两个转向灯均闪烁,但亮度较弱,这种现象说明被接通的这一侧小灯()。
A.搭铁不良
B.灯泡故障
C.闪光器故障
D.有断路
参考答案:A
Consumption of the total life-cycle effort in software maintenance is()that in software development.
A.less than
B.larger than
C.equal or less than
D.equal or larger than
春天,大雁从( )方飞往( )方。