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【单选题】
三相异步电动机起动的必要条件是（ ）。A.
Tst＞Tm
B.
Tst＞TL
C.
Tst＞TN
D.
Tst＜TN
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反馈参考答案：
举一反三
【简答题】将下列十进制数分别转换成8421BCD码、5421BCD码、余3码。 (1)356 (2)712
【单选题】The author implies that Neopolitans' affection for the city ______
A.
was unrealistic
B.
went a bit too far
C.
was extraordinary
D.
gave rise to concern
【单选题】To their joy, the couple the house and found the missing ring.
A.
got through
B.
went through
C.
Lived through
D.
Looked through
【单选题】The author implies that Nepolitans' affection for the city ______.
A.
was unrealistic
B.
went a bit too far
C.
was extraordinary
D.
gave rise to concern
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