调车模式是动车组进行调车作业的固定模式,限速值为()km/h。A、30 B、40 C 发布时间:2019-08-03 15:36 │ 来源:www.tikuol.com 题型:单项选择题 问题: 调车模式是动车组进行调车作业的固定模式,限速值为()km/h。A、30B、40C、60D、80
题型:单项选择题 看图补全对话。1. A: What this? B: It's a . A: Is it yours? B: , it's not.2. A: What's the weather ? B: It's . Put sweater. A: Thank .3. A: Look! What they? B: They are . A: They are cool! 查看答案