电信企业的品牌分为（）、技术品牌、业务品牌、服务品牌和（）五种类型。
参考答案：企业品牌；客户品牌
根据首字母及汉语释义填写单词。
1. It will be rainy, you'd better take an u_______ (雨伞) with you.
2. Our teacher is still c_______ (检查) our homework.
3. Many p_______ (乘客) got hurt in this accident.
4. You are so funny! I can't stop l _______ (笑).
5. My c_______ (化学) teacher's lesson is so interesting that all of us like it.
电抗器有什么用途？是怎样分类的？
