A.物理故障
B.配置故障
C.程序故障
D.系统故障
参考答案:C
解析:[分析] 程序故障是程序员编写程序时遇到的问题,影响程序的运行,不属于网络故障管理的范畴。
—Would you like to join me for a quick lunch before class?
— ______, but I promised Nancy to go out with her.
A.I’d like to
B.I like it.
C.I don’t
D.I will
玩具厂两个月生产1000辆玩具汽车,总造价b元,每辆玩具汽车造价是______元.