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举一反三
【多选题】D，yn11联结组别的含义为（）
A.
D表示高压侧为三角形接法
B.
y表示低压侧为星形接法
C.
n表示低压侧中性点有引出线
D.
11表示二次绕组线电压滞后一次绕组线电压30°
【单选题】In the United States elementary education begins at the age of six. At this stage nearly all the teachers are women, mostly married. The atmosphere is usually very friendly, and the teachers have now ...
A.
favorable
B.
negative
C.
tolerant
D.
unfriendly
【单选题】A. As is known, we set great store by the trade relationship with the third world countries.B. We’ve never had any difficulties with our Chinese partners, and we ’ d like to make as many new contacts ...
A.
By leaving out some necessary information.
B.
By providing more information than needed.
C.
By using their body language.
D.
By telling some unbelievable lies.
【单选题】下列属于认可法的有
A.
有权国家机关所进行的旨在赋予习惯、判例、法理等其他规范以法律效力的活动
B.
有权国家机关变更现行成文法的活动
C.
全国人大和人大常委会制定法律
D.
全国人大常委会解释宪法和法律