多项选择题

在海拔不超过1000m地区，500kV线路的导线分裂数及导线型号为以下哪些项时可不验算电晕？（）

A.2×JL/G1A-630/45
B.3×JL/G1A-400/50
C.4×JL/G1A-300/40
D.1×JL/G1A-630/45

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第二节短文理解1阅读下面短文，从[A](Right)、[B](Wrong)、[C](Doesn't Say)三个判断中选择一个正确选项。How to start your life in the USA? It's very important to learn to use English well. But very often it isn't easy to find someone to talk to in a big city. However, here are some suggestions.If you want to use English in the street, first, get or borrow a dog ! Walk him several times a day! Americans love pets(宠物) and usually stop to talk to anyone with a dog.Then, try to eat in a restaurant. People sitting at the same table with you will sometimes talk to you if they see that you are a foreigner.Always ask for information from a woman if you are a man, and from a man if you are a woman ! This often works very well though I don't know why.Learn to say 'Please,' 'Thank you' and 'You're welcome' before you come to theUSA and use them all the time! Always say 'Fine' in answer to the question 'How are you'.Also, when someone says they will meet you at six o'clock, be sure to be there by six.Americans think highly of time and expect everyone to be 'on timE.'All in all, don't worry! Just bring a lot of money and do as I told you. I'm sure you will have a very good start and enjoy your fife herE.Of all the pets Americans like dogs best.A.RightB.WrongC.Doesn't say

A.Of
B.
A.Right
B.Wrong
C.Doesn't

多项选择题

在220kV无人值班变电站的照明种类一般可分为下列哪几类？（）

A.正常照明
B.应急照明
C.警卫照明
D.障碍照明

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