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【单选题】
式高频方向保护中，低启动元件的作用是（）。A.
启动发信
B.
停信
C.
开放跳闸回路
D.
跳闸回路
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【简答题】(一) Beijing Opera is a traditional culture of China. It 1 ________ (call) Beijing Opera because it’s formed in Beijing. Beijing Opera has a history of about 200 years, 2 ______ origin can date back to...
【简答题】As the most popular and __________ opera in China, Beijing opera has a history of more than 200 years and is regarded as a __________ quintessence of China. It __________ from many kinds of ancient lo...
【单选题】墙体钢筋绑扎时（）。
A.
先绑扎先立模板一侧的钢筋，弯钩要背向模板。
B.
先绑扎先立模板一侧的钢筋，弯钩要面向模板。
C.
后绑扎先立模板一侧的钢筋，弯钩要背向模板。
D.
后绑扎先立模扳一侧的钢筋，弯钩要面向模板。
【单选题】Beijing opera has a artistic style.
A.
distinction
B.
distinguish
C.
distinct
D.
distinctive
【简答题】Peking Opera Facial Masks (听力音频10) Beijing Opera is the cream of the Chinese culture. As 1 , it has become a 2 i tem to entertain foreigners. But, I don’t like its 3 singing and the noise percussions...
【简答题】根据句意及首字母提示补全单词。 1. The Beijing Opera has a more than 200 years history . It is an a Chinese art. 2. It's said that the first t of clothes were made of animal skins. 3. Can you tell me when the f show ...
【单选题】墙体钢筋绑扎时 。
A.
先绑扎先立模板一侧的钢筋，弯钩要背向模板
B.
后绑扎先立模板一侧的钢筋，弯钩要背向模板
C.
先绑扎先立模板一侧的钢筋，弯钩要面向模板
D.
后绑扎先立模板一侧的钢筋，弯钩要面向模板
【简答题】Beijing opera has a distinctive __________( art ) style.
【单选题】墙体钢筋绑扎时 。
A.
先绑扎先立模板一侧的钢筋,弯钩要背向模板
B.
后绑扎先立模板一侧的钢筋,弯钩要背向模
C.
先绑扎先立模板一侧的钢筋,弯钩要面向模板
D.
后绑扎先立模板一侧的钢筋,弯钩要面向模板
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