问题 单项选择题

6502电气集中控制台上咽喉区的调车信号机复示器在信号关闭状态时点亮()表示灯。

A.红色,

B.蓝色,

C.白色,

D.不亮灯

答案

参考答案:D

连词成句

连词成句:注意大小写

1. this , my, is, teacher

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2. what ,is ,name ,her

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3. how ,you ,are

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4. ice ,have ,a ,nice ,day

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5. what ,your,is ,name

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单项选择题