Turn on the pilot light ,“white” up and “ red” down .（）A、打开引航灯，上红下白。B、打开引航灯，上白下红。C、把引航灯从白色变成红色。D、把引航灯从红色变成白色。
Turn on the pilot light ,“white” up and “ red” down .（）
- A、打开引航灯，上红下白。
- B、打开引航灯，上白下红。
- C、把引航灯从白色变成红色。
- D、把引航灯从红色变成白色。
相关考题：
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