问题 单项选择题

某企业在采用需要系数法计算负荷时,计入同时系数后的总有功功率为1138kw,总无功功率为725kvar,全企业补偿低压电力电容器总功率为350kvar,全企业补偿后忽略变压器损耗的总视在功率应为( )。

A.1198kVA
B.1565kVA
C.541kVA
D.1071kVA

答案

参考答案:A

阅读理解

阅读理解。

     Want to be an astronaut? Then "study hard, stay healthy and have perseverance (毅力)

      This is what Chinese astronauts Fei Junlong and Nie Haisheng said in a talk with some students.

      Students were interested in the astronauts' space lives. They asked questions like"Did you see the Great

Wall from space?" Fei and Nie said they didn't see the Great Wall. But they felt excited when they passed

over China, including Taiwan. The island "looked very beautiful, like a jade (翡翠)".

     Speaking of their lives beyond (在……之外) the earth, the two astronauts said cooperation (合作) with

each other was most important."We are like the left and right hands," they said.

      Young people wanted to know how the astronauts developed their careers (事业).

     "How did you decide to be astronauts when China's space industry (工业) is still at the beginning?" asked

a young woman. The astronauts said it was because of their love of flight and also the need of the country.

      They said their love of flight could be seen from their children's names. Nie's daughter is called "Nie

Tianxiang", which means "flying up high". Fei's son is called "Fei Di", which sounds like "Feidie", meaning

UFO.

     After the success of Shenzhou VI, China plans to put a man on the moon and build a space station in

10~15 years.

1. If you want to be astronauts, what should you do from now on?

A. We should be interested in the astronauts' space life.

B. We should change our names.

C. We should study hard, stay healthy and have perseverance.

D. We should love the flight and our country.

2. When astronauts work in space, they must ______ with each other.

A. shake hands

B. cooperate

C. stay

D. talk

3. In 10~15 years, China could put a man on _______ and build a space station.

A. UFO

B. Shenzhou VIII

C. the sun

D. the moon

4. Which of the following is true?

A. Fei Junlong met UFO in space.

B. Nie Haisheng saw the Great Wall from space.

C. Fei and Nie make a contribution to China's space industry.

D. The astronauts couldn't see Taiwan from space.

单项选择题