2008年1月11日蛟头变穿六3152线开关合不上，定为紧急缺陷。该缺陷通知单的故障类型是（）
A.一次
B.二次
C.继保
D.综自
参考答案：A
翻译下面的谚语。
When I walk with two others, they must serve me as my teachers.
______________________________________________________________________
--- Nice to meet you.
--- .
A．Hello.
B．Nice to meet you.
C．How are you.
D．Good morning.
