多项选择题

用最大短路电流校验导体和电器的动稳定，热稳定时，应选取被效验导体和电器通过最大短路电流的短路点，在选取短路点时，下列哪些表述符号规定？

A.对带电抗器（3—10kV）的出线回路，校验母线及母线隔离开关之间隔板前引线和套管时，短路点应选在电抗器前
B.对带电抗器（3—10kV）的出线回路，校验母线及母线隔离开关之间隔板前引线和套管时，短路点应选在电抗器后
C.对带电抗器（3—10kV）的出线回路，除母线及母线隔离开关之间隔板前的引线和套管外，校验其他导体和电器时，短路点应选在电抗器前
D.对不带电抗器的回路，短路点应选在正常接线方式时，短路电流最大的地点

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根据以下资料，回答下列各题： Directions : After reading the following passage, you will find 5 questions or unfinished statements, numbered36 to 40．For each question or statement there are 4 choices marked A., B., C.and D ) ．You should make the correct choice and mark the corresponding letter on the Answer Sheet with a single line through the center. There are some steps you can take yourself to avoid catching a colD.Contrary to popular belief，colds are not caused by exposure to severe weather．Colds are caused by viruses (病毒)harbored in the body, and you're better off out on the ski slopes or even waiting for the bus on a snowy day than you are in a warm morn, sur- rounded by friends, coworkers, or fellow students, who just may be passing the viruses arounD.If you feel a chill when you're coming down with a cold, you' re already sick．A chill is an early symptom: it's the cold that caused the chill, not the other way arounD.While the virus can spread through droplets (飞沫) propelled into the air when a cold-sufferer coughs or sneezes．Surprisingly, this is not the most common route of transmission．Numerous studies have now shown that the overwhelming majority of colds are 'caught' by hand contact．A cold sufferer rubs her nose, thereby transferring the virus to her hanD.Then a friend comes to visit．'Don' t kiss me,' she cautions, so the friend steps back and presses her hanD.The friend then wipes her own nose or eye, and several days later is stricken with a colD.Or parents pick up their child's discarded(丢弃的)tissues and carefully throw them away, but fail to wash their hands afterwarD.Cold viruses also can be transferred to objects—telephones, towels, plates and remain infectious for UP to three hours． Frequent hand-washing—on the part of the cold sufferer as well as other members of the household will minimize the spread of viruses in this way. According to the author, we are most likely to catch a cold if we______________A.attend a party with a lot of peopleB.stay long hours in the street on a snowy dayC.go out on an extremely cold and windy dayD.go skiing or skating in the open air

A.For
B.,
C.,
D.and
E.You
F.Contrary
G.Colds
H.If
I.A
J.Surprisingly,
K.Numerous
L.A
M.Then
N.'Don'
O.The
P.Or

多项选择题

下列10kV变电所所址选择条件中，哪几项不符合规范的要求？

A.装有可燃性油浸式变压器的10KV车间变电所，不应设在四级耐火等级的建筑物内，当设在三级耐火等级的建筑物内时，建筑物应采取局部防火措施
B.多层建筑中，装有可燃性油的电气设备的10KV变电所应设置在底层，靠内墙部位
C.高层主体建筑物不宜设装有可燃性油的电气设备变电所，当条件受限制时，可设置在底层考外墙部位疏散出口处
D.附近有棉、粮集中的露天堆场，不宜设置露天或半露天的变电所