某台电力变压器的额定容量为1250kV·A，计算负荷的视在功率为100

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问题单项选择题

某台电力变压器的额定容量为1250kV·A，计算负荷的视在功率为1000kV·A，则该电力变压器的负荷率为（）。

A.0.9

B.0.85

C.0.8

D.0.75

答案

参考答案：C

填空题

单词拼写。

1. We always think Chinese people are very p______.

2. Put on your c______. It's cold outside.

3. There are three ______ (百) students in my school.

4. — Do you have a model ______ (飞机)? — Yes, I do.

5. The ______ (手表) are very nice. I want to buy one.

填空题

（）岁是词汇量增长（词汇丰富）的活跃期。