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【参考答案】

一个解决的办法似乎是每次换班持续的时间长一些，可以一个月甚至三个月倒一次班。
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Women held a high place in the 10th and 11th centuries in southern
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A．Doctor and patient.B．Teacher and student.C．Husband and wife.D．Shopkeeper and customer.
A．Doctor and patient.
B．Teacher and student.
C．Husband and wife.
D．Shopkeeper and customer.
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