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问题 判断题

《中华人民共和国劳动法》：劳动合同的期限分为有固定期限、无固定期限和以完成一定的工作为期限。

答案

参考答案：对

选择题
_____, they went home, _____.

A. Their work had been finished; singing and laughing
B. They had finished their work; sang and laughed
C. Their work finished; singing and laughing
D. After their work finished; singing and laughing
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单项选择题

关于输卵管结扎，哪组是不正确的：

A．术前排空膀胱，可避免术中膀胱受损

B．抽心包埋法失败率最低

C．看到伞端再扎，是避免误扎的主要方法

D．结扎后可因卵巢血液循环障碍而致月经不调

E．出血、血肿是损伤输卵管或其系膜造成
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