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【多选题】
Which ones can prove that Yunnan was the "lifeline" for the War of Resistence Against Japan?
A.
Sino-Burma Road
B.
Stilwell Road
C.
Hump Airlift
D.
Five-chi Road
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举报参考答案：
举一反三
【单选题】Single-phase transformer determination of the original and vice polarity, if the first end is the same end, there is ().
A.
;
;B.
;
;C.
。
。【判断题】Ansai Waist Drum can be divided into “literature” and “military” performance styles.
A.
正确
B.
错误
【单选题】Which word is the synonym of "limestone" ?
A.
wonder
B.
geologist
C.
geology
D.
Karst
【单选题】Three-phase transformer connection group is Y, D5, where "5" represents ().
A.
lagging
lagging
B.
lagging
lagging
C.
leading
leading
D.
leading
leading
【单选题】How big is the Stone Forest region?
A.
13 square kilometers
B.
78 square kilometers
C.
13 square kilometers
D.
350 square kilometers
【单选题】The Stone Forest County is an autonomous county of ______.
A.
Bai people
B.
Yi People
C.
Dai People
D.
Naxi People
【单选题】Transformers with different connection groups cannot operate in parallel because ().
A.
Voltage change rate is too large;
B.
The no-load circulation is too large;
C.
The excitation current at load is too large;
D.
The transformer ratio is different with different connection group numbers.
相关题目：
【单选题】Single-phase transformer determination of the original and vice polarity, if the first end is the same end, there is ().
A.
;
;B.
;
;C.
。
。【判断题】Ansai Waist Drum can be divided into “literature” and “military” performance styles.
A.
正确
B.
错误
【单选题】Which word is the synonym of "limestone" ?
A.
wonder
B.
geologist
C.
geology
D.
Karst
【单选题】Three-phase transformer connection group is Y, D5, where "5" represents ().
A.
lagging
lagging
B.
lagging
lagging
C.
leading
leading
D.
leading
leading
【单选题】How big is the Stone Forest region?
A.
13 square kilometers
B.
78 square kilometers
C.
13 square kilometers
D.
350 square kilometers
【单选题】The Stone Forest County is an autonomous county of ______.
A.
Bai people
B.
Yi People
C.
Dai People
D.
Naxi People
【单选题】Transformers with different connection groups cannot operate in parallel because ().
A.
Voltage change rate is too large;
B.
The no-load circulation is too large;
C.
The excitation current at load is too large;
D.
The transformer ratio is different with different connection group numbers.
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