进行负荷计算时，单相负荷应均衡分配到三相上，当单相负荷的总容

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问题单项选择题

进行负荷计算时，单相负荷应均衡分配到三相上，当单相负荷的总容量超过计算范围内三相对称负荷总容量的( )，应将单相负荷换算为等效三相负荷，再与三相负荷相加。

A．5%

B．10%

C．15%

D．20%

答案

参考答案：C

写作题

小作文。

小卢将要参加希望之星英语复赛，下面是她的自我介绍，请按你的理解帮她补全短文。

Hello, everyone! My 1________ is Xiao Lu. I'm from Yangguang Primary School. My parents are very

rich. Not because they have a lot of money, but because they have me-an excellent daughter. I like books.

I can sing. I can 2________. And the most important thing is that I can make my parents 3________. Now

I'm working hard at English. I want to learn 4________ well. Do you know one of the most 5________ things

of learning English is the correct pronunciation? Let me tell you a story to show how important the correct

pronunciation is. The story is "A question of pronunciation".

单项选择题

为《泰始律》做注的是（）。

A.丁仪、刘邵

B.张斐、杜预

C.刘颂、傅干

D.王充、仲长统