问题
单项选择题
为了准确考核纯用电客户的功率因数，安装在客户处的电能计量装置应具有（）的功能
A.计量正向有工功和无功电量
B.计量正向有工功和正、反向无功电量
C.计量正向有工功和四象限无功电量
D.计量正、反向有工功和无功电量
答案
参考答案：B
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为了准确考核纯用电客户的功率因数，安装在客户处的电能计量装置应具有（）的功能
A.计量正向有工功和无功电量
B.计量正向有工功和正、反向无功电量
C.计量正向有工功和四象限无功电量
D.计量正、反向有工功和无功电量
参考答案：B
| 用方框中所给词的适当形式填空，使短文通顺、连贯。 | |
was always 1_____ and didn't like to talk to others. However, one day, her mother gave her a beautiful hairclip. When she 2______ it, she looked much more beautiful than 3______. She decided to wear it to school. On her way to school she found that 4______ who saw her smiled at her. Most of her classmates said "Hello" to her, but this 5______ happened before. She thought that the beautiful hairclip had brought her them all. She was so happy about all of the wonderful things. 6______ she didn't tell her classmates about her beautiful hairclip, they all wanted to know what had 7______ to her. When she went back home after school, her mother asked her, "Do you know you 8______ your hairclip? I found it by the door this morning." She understood 9______ she hadn't worn the hairclip to school at all. It is not important what we wear and how we look. The most important is how we think about 10______. |