问题
填空题
直流供配电系统设备主要有整流设备、（）、直流配电屏、DC/DC变换器等设备。
答案
参考答案：蓄电池组
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直流供配电系统设备主要有整流设备、（）、直流配电屏、DC/DC变换器等设备。
参考答案：蓄电池组
| 阅读短文，判断句子对(√)错(×)。 | |
Mary: I like red. I like apples. Robin: I like green. I like trees. Joe: Miss Black, what color do you like? Miss Black: I like white. I like snow (雪). Joe: I like yellow and black. Mary: Linda, what color do you like? Linda: I like orange and purple. Look, my bag is orange. My skirt is purple. ( ) 1. Mary likes yellow and black. ( ) 2. Linda likes red and green. ( ) 3. Joe likes yellow and black. ( ) 4. Miss Black likes white and snow. |
