题目： Y/△连接组既适用于三相组式变压器，也适用于三相芯式变压器，原因是（）。A．一、二次绕组的线电动势为正弦形B．一、二次绕组的相电动势为正弦形C．空载电流为正弦形D．主磁通为尖顶波形 答案： 参考答案：B
题型：填空题 从方框内选择恰当的句子完成对话。A: Hello! May I speak to Jim？ B: I’m sorry. 1 I think he’ll be back in an hour. 2 A: That’s very kind of you. I’d like to invite him to watch a football match with me. 3 B: OK. 4 I’ll go and get a pen and a piece of paper. OK. Please give me your phone number. A: 5697846．My name is Su Lei. B: All right. 5 A. Could I take a message? B. Please give me your phone number. C. What’s wrong with you? D. He isn’t in right now. E. I’ll tell him to call you back. F. Wait a minute, please. G. Can I leave my telephone number for you? 查看答案
题型：单项选择题 血友病A传递者，女性，25岁，其父为血友病患者。因近期计划结婚，和男友来遗传咨询门诊进行咨询。医护人员应告知其血友病的遗传方式是A．常染色体显性遗传B．常染色体隐性遗传C．性染色体显性遗传D．性染色体隐性遗传E．以上遗传方式均可能发生 查看答案
