问题
多项选择题
牵引负荷对电力系统有以下（）几点要求（）
A.需要较高系统供电能力
B.需要较强的越区供电能力
C.需要采用较高等级的外电系统
答案
参考答案：A, B, C
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牵引负荷对电力系统有以下（）几点要求（）
A.需要较高系统供电能力
B.需要较强的越区供电能力
C.需要采用较高等级的外电系统
参考答案：A, B, C
| 根据对话内容，从对话后的选项中选出能添入空白处的最佳选项.选项中有两项为多余选项。 |
| —Good morning, sir. Can I help you? — 1_. —Yes, sir. Which country would you like to visit? — 2 I'm too tired and just want to relax. —Maybe you can spend your holiday in Switzerland. 3 —But it's too cold. _4 . —What about Australia? There is a lot of sunshine all the year round. — 5 . And I can practice my English as well. A. Where are you going? B. It's a wonderful place for skiing. C. I'd like to spend my holiday abroad. D. I've no idea. E. Good idea. F. It doesn't matter. G. I prefer warm places. |