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【单选题】
下列中（）不是同步发电机的并网条件。A.
发电机电压的平均值等于电网电压平均值
B.
发电机电压相位与电网电压相位相同
C.
发电机频率与电网频率与电网频率相同
D.
发电机电压相序和电网电压相序一致
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【简答题】4) 写出标题 Receptionist: Hello, the Art Museum. Can I help you? Jake: Yes. Can you tell me ... er, what are the opening hours, please? Receptionist: We open at ten in the morning and close at five in the...
【单选题】听力原文：M: Here are the tickets, miss. The train will depart from platform. five at one o'clock. W: Thank you. Could you please tell me if there is a snack bar on the train? Q: What will the woman probab...
A.
Buy something to eat on the train.
B.
Take the five o' clock train
C.
Wait to catch a later train.
D.
Take the train to the airport.
【单选题】听力原文：M: Hero are the tickets, miss. The train will depart from plat form. five at one o'clock. W: Thank you. Could you please tell me if there is a snack bar on the train? Q: What will the woman proba...
A.
Buy something to eat on the train.
B.
Take the five o' clock train
C.
Wait to catch a later train.
D.
Take the train to the airport,
【简答题】What are some of the grievances(complaints) according to the colonists? Can you explain at least five in your own Words? Who are they blaming for?
【单选题】Receptionist: Hello, the Art Museum. Can I help you? Jake: Yes. Can you tell me ... er, what are the ______, please? Receptionist: We open at ten in the morning and close at five in the afternoon. Jak...
A.
date
B.
opening hours
C.
time
D.
closing time
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