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【单选题】
单相电容运转式异步电动机的定子有主绕组和副绕组,它们空间位置的电角度互差A.
45°
B.
60°
C.
90°
D.
180°
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举一反三
【单选题】W h o once said “A light heart lives long” ?
A.
Jaidee .
B.
Shakespeare .
C.
Jaidee’s professor .
【单选题】－ ______ does your mother watch the Talk Show? － Once a week. A. How long B. H
A.
－- ______ does your mother watch the Talk Show? － Once a week. A. How long
B.
How often
C.
How soon
【单选题】While typing， Helen has a habit of stopping once in a while to give her long and flowing hair a smooth.
A.
occasionally
B.
simultaneously
C.
eventually
D.
promptly
【简答题】Once off that long High Street, he found himself in some very poor parts of the town.
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