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【简答题】
变压器的联结组别通常用()表示法。
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皮皮学刷刷变学霸
举一反三
【单选题】型号为RN2-10-20/0.5的户内高压熔断器为电压互感器专用,检修时发现熔体熔断,应选熔体的规格是( )。
A.
用镍铬丝作引线的0.5A熔丝
B.
0.5A锌片
C.
20A熔体
D.
10A熔体
【判断题】n Broad transcription represents phonemes of a lg whereas narrow transcription denotes its particular allophones.
A.
正确
B.
错误
【简答题】进行水稻原种生产时,当选单株必须符合原品种特征特性,包括“三性”“四型”“五色”“一期”:“五色”指 、 、 、 、 。
【单选题】听力原文：The poor living conditions in such a large city have resulted from the unplanned real estate development, which is rarely seen in small cities. What does the speaker mean?
A.
Bad living conditions are due to the poor city.
B.
Bad planning is responsible for poor living conditions.
C.
Living conditions are bad because the city is too big.
D.
Small cities have better living conditions than large ones.
【单选题】Broad transcription is the phonetic transcription with ________.
A.
diacritics
B.
distinctive features
C.
voicing
D.
articulation
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