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问题 单项选择题 A3/A4型题

患者男性，64岁。近年逐渐出现夜尿增多、小便变细、无力、尿滴沥等症状，为求进一步诊治入院治疗。

该患者气囊导管至少应留置（）

A.1天

B.3天

C.5天

D.1周

E.2周

答案

参考答案：D

单项选择题

女性，22岁，不洁饮食后出现眼黄、尿黄、乏力、纳差，如考虑急性甲型肝炎的诊断，则其不洁饮食应该在下列哪个时间段内才有流行病学意义

A．45天

B．30天

C．15天

D．3个月

E．6个月
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填空题

Beijing: The United States and North Korea had their first ______ in four months here this afternoon as part of the ______ negotiations on how to end North Korea’s nuclear program, but diplomats played down prospects for______. James A. Kelly, assistant ______, and Kim Yong Ⅱ, North Korea’s deputy foreign minister, met ______ of formal discussions, ______ on direct dialogue that began after a stormy meeting ______ in which North Korea warned that it was moving quickly to ______ nuclear arms. The Bush administration had insisted ______ that it would only hold talks with North Korea ______ because, it argued, only ______ pressure would persuade North Korea to______. It got its way when North Korea dropped its insistence on ______ and agreed, after extensive efforts by China, to hold unusual simultaneous negotiations with ______,______,______ and ______ as well as the United States. Though Bush administration officials had not ______ talking privately with the North Koreans during______, the fact that Mr. Kelly and Mr. Kim met on the first day was seen as a sign of ______ by the American side.
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