照明车的发电机应在10min内顺利启动;启动成功后,()min内照明灯具应达到最大照度。
A.10.0
B.20.0
C.30.0
D.40.0
参考答案:B
Try you homework on time, or you'll fall behind. [ ]
A. to finish
B. finish
C. finishes
D. finished
下面不属于计算机主要技术指标的是
A.字长
B.运算速度
C.主频
D.运算精度