问题
填空题
信号机前的钢轨绝缘位置，原则上应与（）设在同一坐标处。
答案
参考答案：信号机
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信号机前的钢轨绝缘位置，原则上应与（）设在同一坐标处。
参考答案：信号机
| 根据对话内容，从对话后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。 | |
| Charley: Come on, Steve. 1 Steve: Wait a minute. 2 Charley: OK. Steve: By the way, can we give my sister a ride home tonight? Charley: Sure. 3 Steve: Yeah. She wants to take some pictures. Charley: 4 Steve: Yeah. She'd like to work for a newspaper someday. Charley: But I think it might be difficult for her to succeed. 5 | |
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