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【简答题】
如图 所示,已知三相对称电源线电压为 ,其中按星形方式接入某三相对称负载,每相的复阻抗为 Z =6+j8 Ω ,求负载的相电流 i A 、 i B 、 i C ;并画出相量图。
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参考答案:
举一反三
【简答题】Inquiry   Counter-offer   Offer  Acceptance
【单选题】We shall be glad to ( ) business relations with you
A.
enter
B.
entered into
C.
start
D.
establishing
【简答题】to forward an offer(or to send an offer)
【单选题】听力原文:When this target is attained, we shall be glad to discuss with you a long-term agreement on a more cooperative basis. (29)
A.
We are likely to have further cooperation if the objective is achieved.
B.
If the target is missed, we will discuss with you a long-term arrangement.
C.
We will establish a cooperative base in the locality if this target is attained.
D.
We are glad to have signed with you a long-term arrangement.
【判断题】Even if an offer is irrevocable, the offer may be withdrawn if the withdrawal reaches the offeree before or at the same time as the offer.
A.
正确
B.
错误
【单选题】不是容量负荷过重所致心力衰竭的疾病是( )
A.
主动脉瓣关闭不全
B.
甲状腺功能亢进症
C.
二尖瓣关闭不全
D.
室间隔缺损
E.
动静脉瘘
【简答题】We shall be glad to send you the necessary information about our machine tools _________ request.
【简答题】Counter-offer is the offeree’s to the original offer, as well as a new offer made by the offeree to the previous offerer. 2. Please us of acceptance at your earliest convenience. 3. We shall be glad t...
【简答题】to cable an offer(or to telegraph an offer)
【简答题】to get an offer(or to obtain an offer)
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